./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:59:59,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:59:59,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:59:59,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:59:59,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:59:59,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:59:59,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:59:59,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:59:59,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:59:59,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:59:59,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:59:59,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:59:59,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:59:59,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:59:59,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:59:59,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:59:59,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:59:59,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:59:59,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:59:59,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:59:59,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:59:59,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:59:59,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:00:00,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:00:00,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:00:00,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:00:00,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:00:00,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:00:00,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:00:00,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:00:00,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:00:00,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:00:00,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:00:00,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:00:00,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:00:00,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:00:00,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:00:00,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:00:00,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:00:00,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:00:00,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:00:00,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:00:00,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:00:00,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:00:00,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:00:00,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:00:00,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:00:00,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:00:00,047 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:00:00,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:00:00,047 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:00:00,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:00:00,048 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:00:00,048 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:00:00,048 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:00:00,048 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:00:00,049 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:00:00,049 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:00:00,049 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:00:00,049 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:00:00,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:00:00,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:00:00,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:00:00,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:00:00,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:00:00,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:00:00,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:00:00,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:00:00,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:00:00,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:00:00,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:00:00,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:00:00,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:00:00,053 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:00:00,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:00:00,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:00:00,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:00:00,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:00:00,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:00:00,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:00:00,055 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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 [2022-11-19 07:00:00,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:00:00,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:00:00,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:00:00,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:00:00,358 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:00:00,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-19 07:00:00,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/76f2d4ce9/942c5e0ab77e4d58b9dbc2dd98c6d7c8/FLAG98c132ee8 [2022-11-19 07:00:01,435 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:00:01,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-19 07:00:01,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/76f2d4ce9/942c5e0ab77e4d58b9dbc2dd98c6d7c8/FLAG98c132ee8 [2022-11-19 07:00:01,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/76f2d4ce9/942c5e0ab77e4d58b9dbc2dd98c6d7c8 [2022-11-19 07:00:01,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:00:01,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:00:01,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:00:01,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:00:01,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:00:01,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:00:01" (1/1) ... [2022-11-19 07:00:01,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31469266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:01, skipping insertion in model container [2022-11-19 07:00:01,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:00:01" (1/1) ... [2022-11-19 07:00:01,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:00:01,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:00:04,227 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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-19 07:00:04,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:00:04,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:00:05,257 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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-19 07:00:05,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:00:05,375 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:00:05,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05 WrapperNode [2022-11-19 07:00:05,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:00:05,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:00:05,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:00:05,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:00:05,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:05,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:05,968 INFO L138 Inliner]: procedures = 189, calls = 7161, calls flagged for inlining = 69, calls inlined = 54, statements flattened = 17693 [2022-11-19 07:00:05,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:00:05,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:00:05,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:00:05,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:00:05,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:05,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,580 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:00:06,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:00:06,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:00:06,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:00:06,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (1/1) ... [2022-11-19 07:00:06,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:00:06,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:00:06,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:00:06,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:00:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock [2022-11-19 07:00:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock [2022-11-19 07:00:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-19 07:00:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-19 07:00:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-19 07:00:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-19 07:00:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:00:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:00:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:00:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-19 07:00:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-19 07:00:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock [2022-11-19 07:00:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock [2022-11-19 07:00:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-19 07:00:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-19 07:00:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:00:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:00:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-19 07:00:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-19 07:00:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:00:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-19 07:00:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-19 07:00:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-19 07:00:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-19 07:00:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-19 07:00:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-19 07:00:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:00:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:00:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-19 07:00:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-19 07:00:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-19 07:00:06,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-19 07:00:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:00:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:00:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:00:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-19 07:00:06,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-19 07:00:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:00:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:00:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-19 07:00:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-19 07:00:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-19 07:00:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-19 07:00:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-19 07:00:06,890 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-19 07:00:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-19 07:00:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-19 07:00:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:00:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:00:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 07:00:06,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 07:00:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-19 07:00:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-19 07:00:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 07:00:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 07:00:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 07:00:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 07:00:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-19 07:00:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-19 07:00:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:00:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:00:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:00:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-19 07:00:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-19 07:00:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-19 07:00:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-19 07:00:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-19 07:00:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-19 07:00:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:00:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:00:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:00:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-19 07:00:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-19 07:00:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-19 07:00:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-19 07:00:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-19 07:00:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-19 07:00:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-19 07:00:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-19 07:00:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-19 07:00:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-19 07:00:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:00:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:00:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-19 07:00:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-19 07:00:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-19 07:00:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-19 07:00:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-19 07:00:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-19 07:00:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-19 07:00:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-19 07:00:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:00:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:00:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-19 07:00:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-19 07:00:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-19 07:00:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-19 07:00:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:00:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 07:00:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 07:00:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock [2022-11-19 07:00:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock [2022-11-19 07:00:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-19 07:00:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-19 07:00:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:00:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-19 07:00:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-19 07:00:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:00:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:00:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-19 07:00:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-19 07:00:08,329 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:00:08,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:00:23,545 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:00:38,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:00:38,929 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:00:38,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:38 BoogieIcfgContainer [2022-11-19 07:00:38,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:00:38,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:00:38,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:00:38,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:00:38,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:00:01" (1/3) ... [2022-11-19 07:00:38,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eabb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:00:38, skipping insertion in model container [2022-11-19 07:00:38,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:00:05" (2/3) ... [2022-11-19 07:00:38,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eabb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:00:38, skipping insertion in model container [2022-11-19 07:00:38,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:38" (3/3) ... [2022-11-19 07:00:38,956 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-19 07:00:38,988 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:00:38,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:00:39,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:00:39,282 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;@1c9c2780, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:00:39,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:00:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 4156 states, 2829 states have (on average 1.44220572640509) internal successors, (4080), 2843 states have internal predecessors, (4080), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) [2022-11-19 07:00:39,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:00:39,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:39,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:00:39,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:00:39,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:39,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1039473977, now seen corresponding path program 1 times [2022-11-19 07:00:39,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:39,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960440220] [2022-11-19 07:00:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:39,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:00:40,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:40,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960440220] [2022-11-19 07:00:40,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960440220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:40,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:40,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:00:40,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205983421] [2022-11-19 07:00:40,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:40,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:40,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:40,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:40,567 INFO L87 Difference]: Start difference. First operand has 4156 states, 2829 states have (on average 1.44220572640509) internal successors, (4080), 2843 states have internal predecessors, (4080), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:00:42,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:44,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:47,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:49,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:49,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:49,725 INFO L93 Difference]: Finished difference Result 11439 states and 18339 transitions. [2022-11-19 07:00:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:49,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 07:00:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:49,806 INFO L225 Difference]: With dead ends: 11439 [2022-11-19 07:00:49,807 INFO L226 Difference]: Without dead ends: 7282 [2022-11-19 07:00:49,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:00:49,866 INFO L413 NwaCegarLoop]: 7223 mSDtfsCounter, 6546 mSDsluCounter, 4831 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6548 SdHoareTripleChecker+Valid, 12054 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:49,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6548 Valid, 12054 Invalid, 555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 553 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-19 07:00:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7282 states. [2022-11-19 07:00:51,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7282 to 7266. [2022-11-19 07:00:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7266 states, 4967 states have (on average 1.441715321119388) internal successors, (7161), 4984 states have internal predecessors, (7161), 2215 states have call successors, (2215), 84 states have call predecessors, (2215), 83 states have return successors, (2206), 2200 states have call predecessors, (2206), 2206 states have call successors, (2206) [2022-11-19 07:00:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7266 states to 7266 states and 11582 transitions. [2022-11-19 07:00:51,970 INFO L78 Accepts]: Start accepts. Automaton has 7266 states and 11582 transitions. Word has length 6 [2022-11-19 07:00:51,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:51,971 INFO L495 AbstractCegarLoop]: Abstraction has 7266 states and 11582 transitions. [2022-11-19 07:00:51,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:00:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7266 states and 11582 transitions. [2022-11-19 07:00:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:00:51,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:51,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:51,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:00:51,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:00:51,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:51,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2133575332, now seen corresponding path program 1 times [2022-11-19 07:00:51,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:51,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405889331] [2022-11-19 07:00:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:51,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:00:52,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:52,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405889331] [2022-11-19 07:00:52,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405889331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:52,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:52,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:00:52,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702905685] [2022-11-19 07:00:52,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:52,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:52,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:52,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:52,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:52,610 INFO L87 Difference]: Start difference. First operand 7266 states and 11582 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:00:54,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:56,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:56,119 INFO L93 Difference]: Finished difference Result 14586 states and 23234 transitions. [2022-11-19 07:00:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:56,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 07:00:56,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:56,182 INFO L225 Difference]: With dead ends: 14586 [2022-11-19 07:00:56,182 INFO L226 Difference]: Without dead ends: 7321 [2022-11-19 07:00:56,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:00:56,257 INFO L413 NwaCegarLoop]: 6284 mSDtfsCounter, 6406 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6406 SdHoareTripleChecker+Valid, 6488 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:56,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6406 Valid, 6488 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-19 07:00:56,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2022-11-19 07:00:58,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 7318. [2022-11-19 07:00:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7318 states, 5002 states have (on average 1.4400239904038385) internal successors, (7203), 5017 states have internal predecessors, (7203), 2222 states have call successors, (2222), 95 states have call predecessors, (2222), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-19 07:00:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7318 states to 7318 states and 11639 transitions. [2022-11-19 07:00:58,239 INFO L78 Accepts]: Start accepts. Automaton has 7318 states and 11639 transitions. Word has length 7 [2022-11-19 07:00:58,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:58,240 INFO L495 AbstractCegarLoop]: Abstraction has 7318 states and 11639 transitions. [2022-11-19 07:00:58,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:00:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 7318 states and 11639 transitions. [2022-11-19 07:00:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:00:58,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:58,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:58,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:00:58,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:00:58,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:58,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1713860970, now seen corresponding path program 1 times [2022-11-19 07:00:58,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:58,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112976080] [2022-11-19 07:00:58,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:58,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:00:58,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:58,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112976080] [2022-11-19 07:00:58,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112976080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:58,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:58,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:00:58,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034364686] [2022-11-19 07:00:58,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:58,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:58,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:58,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:58,908 INFO L87 Difference]: Start difference. First operand 7318 states and 11639 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:00,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:02,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:02,093 INFO L93 Difference]: Finished difference Result 7320 states and 11640 transitions. [2022-11-19 07:01:02,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:02,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 07:01:02,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:02,145 INFO L225 Difference]: With dead ends: 7320 [2022-11-19 07:01:02,145 INFO L226 Difference]: Without dead ends: 7317 [2022-11-19 07:01:02,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:01:02,153 INFO L413 NwaCegarLoop]: 6277 mSDtfsCounter, 6608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6608 SdHoareTripleChecker+Valid, 6277 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:02,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6608 Valid, 6277 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 07:01:02,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7317 states. [2022-11-19 07:01:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7317 to 7317. [2022-11-19 07:01:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7317 states, 5002 states have (on average 1.4398240703718512) internal successors, (7202), 5016 states have internal predecessors, (7202), 2221 states have call successors, (2221), 95 states have call predecessors, (2221), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-19 07:01:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7317 states to 7317 states and 11637 transitions. [2022-11-19 07:01:03,575 INFO L78 Accepts]: Start accepts. Automaton has 7317 states and 11637 transitions. Word has length 8 [2022-11-19 07:01:03,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:03,576 INFO L495 AbstractCegarLoop]: Abstraction has 7317 states and 11637 transitions. [2022-11-19 07:01:03,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 7317 states and 11637 transitions. [2022-11-19 07:01:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:01:03,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:03,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:03,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:01:03,577 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:03,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:03,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1587622503, now seen corresponding path program 1 times [2022-11-19 07:01:03,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:03,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098153659] [2022-11-19 07:01:03,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:01:04,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:04,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098153659] [2022-11-19 07:01:04,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098153659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:04,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:04,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:04,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386846718] [2022-11-19 07:01:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:04,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:04,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:04,114 INFO L87 Difference]: Start difference. First operand 7317 states and 11637 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:06,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:07,739 INFO L93 Difference]: Finished difference Result 7319 states and 11638 transitions. [2022-11-19 07:01:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:07,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 07:01:07,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:07,787 INFO L225 Difference]: With dead ends: 7319 [2022-11-19 07:01:07,787 INFO L226 Difference]: Without dead ends: 7316 [2022-11-19 07:01:07,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:01:07,793 INFO L413 NwaCegarLoop]: 6275 mSDtfsCounter, 6605 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6605 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:07,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6605 Valid, 6275 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:01:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7316 states. [2022-11-19 07:01:09,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7316 to 7316. [2022-11-19 07:01:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7316 states, 5002 states have (on average 1.4396241503398641) internal successors, (7201), 5015 states have internal predecessors, (7201), 2220 states have call successors, (2220), 95 states have call predecessors, (2220), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-19 07:01:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7316 states to 7316 states and 11635 transitions. [2022-11-19 07:01:09,128 INFO L78 Accepts]: Start accepts. Automaton has 7316 states and 11635 transitions. Word has length 9 [2022-11-19 07:01:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:09,128 INFO L495 AbstractCegarLoop]: Abstraction has 7316 states and 11635 transitions. [2022-11-19 07:01:09,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7316 states and 11635 transitions. [2022-11-19 07:01:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:01:09,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:09,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:09,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:01:09,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:09,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1969202189, now seen corresponding path program 1 times [2022-11-19 07:01:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:09,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767351174] [2022-11-19 07:01:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:01:09,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:09,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767351174] [2022-11-19 07:01:09,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767351174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:09,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:09,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:09,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921753805] [2022-11-19 07:01:09,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:09,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:09,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:09,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:09,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:09,647 INFO L87 Difference]: Start difference. First operand 7316 states and 11635 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:13,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:13,026 INFO L93 Difference]: Finished difference Result 7318 states and 11636 transitions. [2022-11-19 07:01:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:13,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 07:01:13,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:13,067 INFO L225 Difference]: With dead ends: 7318 [2022-11-19 07:01:13,068 INFO L226 Difference]: Without dead ends: 7315 [2022-11-19 07:01:13,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:01:13,076 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 6602 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6602 SdHoareTripleChecker+Valid, 6273 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:13,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6602 Valid, 6273 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-19 07:01:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2022-11-19 07:01:14,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 7315. [2022-11-19 07:01:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7315 states, 5002 states have (on average 1.4394242303078768) internal successors, (7200), 5014 states have internal predecessors, (7200), 2219 states have call successors, (2219), 95 states have call predecessors, (2219), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-19 07:01:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7315 states to 7315 states and 11633 transitions. [2022-11-19 07:01:14,510 INFO L78 Accepts]: Start accepts. Automaton has 7315 states and 11633 transitions. Word has length 10 [2022-11-19 07:01:14,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:14,510 INFO L495 AbstractCegarLoop]: Abstraction has 7315 states and 11633 transitions. [2022-11-19 07:01:14,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7315 states and 11633 transitions. [2022-11-19 07:01:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:01:14,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:14,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:14,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:01:14,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:14,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:14,512 INFO L85 PathProgramCache]: Analyzing trace with hash 913275434, now seen corresponding path program 1 times [2022-11-19 07:01:14,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:14,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759077145] [2022-11-19 07:01:14,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:14,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:01:15,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:15,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759077145] [2022-11-19 07:01:15,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759077145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:15,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:15,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:01:15,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954818379] [2022-11-19 07:01:15,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:15,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:15,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:15,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:15,072 INFO L87 Difference]: Start difference. First operand 7315 states and 11633 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:17,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:18,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:21,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:23,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:23,547 INFO L93 Difference]: Finished difference Result 21919 states and 35069 transitions. [2022-11-19 07:01:23,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:23,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 07:01:23,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:23,630 INFO L225 Difference]: With dead ends: 21919 [2022-11-19 07:01:23,631 INFO L226 Difference]: Without dead ends: 14599 [2022-11-19 07:01:23,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:01:23,690 INFO L413 NwaCegarLoop]: 7647 mSDtfsCounter, 6631 mSDsluCounter, 6301 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6631 SdHoareTripleChecker+Valid, 13948 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:23,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6631 Valid, 13948 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-19 07:01:23,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14599 states. [2022-11-19 07:01:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14599 to 14586. [2022-11-19 07:01:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14586 states, 9978 states have (on average 1.4400681499298456) internal successors, (14369), 10001 states have internal predecessors, (14369), 4425 states have call successors, (4425), 185 states have call predecessors, (4425), 182 states have return successors, (4544), 4405 states have call predecessors, (4544), 4418 states have call successors, (4544) [2022-11-19 07:01:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14586 states to 14586 states and 23338 transitions. [2022-11-19 07:01:26,756 INFO L78 Accepts]: Start accepts. Automaton has 14586 states and 23338 transitions. Word has length 11 [2022-11-19 07:01:26,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:26,756 INFO L495 AbstractCegarLoop]: Abstraction has 14586 states and 23338 transitions. [2022-11-19 07:01:26,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:01:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 14586 states and 23338 transitions. [2022-11-19 07:01:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 07:01:26,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:26,769 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:26,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:01:26,769 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:26,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1779588357, now seen corresponding path program 1 times [2022-11-19 07:01:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:26,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460219026] [2022-11-19 07:01:26,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:26,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:01:28,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:28,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460219026] [2022-11-19 07:01:28,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460219026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:28,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:28,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:01:28,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018632009] [2022-11-19 07:01:28,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:28,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:01:28,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:28,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:01:28,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:28,992 INFO L87 Difference]: Start difference. First operand 14586 states and 23338 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:01:32,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:33,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:37,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:41,290 INFO L93 Difference]: Finished difference Result 29378 states and 47321 transitions. [2022-11-19 07:01:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:01:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2022-11-19 07:01:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:41,385 INFO L225 Difference]: With dead ends: 29378 [2022-11-19 07:01:41,385 INFO L226 Difference]: Without dead ends: 14793 [2022-11-19 07:01:41,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:01:41,519 INFO L413 NwaCegarLoop]: 6251 mSDtfsCounter, 160 mSDsluCounter, 18601 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 24852 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:41,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 24852 Invalid, 1537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 1487 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-11-19 07:01:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14793 states. [2022-11-19 07:01:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14793 to 14766. [2022-11-19 07:01:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14766 states, 10112 states have (on average 1.4370055379746836) internal successors, (14531), 10137 states have internal predecessors, (14531), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-19 07:01:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14766 states to 14766 states and 23613 transitions. [2022-11-19 07:01:44,652 INFO L78 Accepts]: Start accepts. Automaton has 14766 states and 23613 transitions. Word has length 53 [2022-11-19 07:01:44,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:44,652 INFO L495 AbstractCegarLoop]: Abstraction has 14766 states and 23613 transitions. [2022-11-19 07:01:44,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:01:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 14766 states and 23613 transitions. [2022-11-19 07:01:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 07:01:44,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:44,668 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:44,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:01:44,669 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash -469621925, now seen corresponding path program 1 times [2022-11-19 07:01:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:44,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419201954] [2022-11-19 07:01:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:01:45,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:45,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419201954] [2022-11-19 07:01:45,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419201954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:45,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:45,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:01:45,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904973657] [2022-11-19 07:01:45,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:45,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:01:45,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:45,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:01:45,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:01:45,746 INFO L87 Difference]: Start difference. First operand 14766 states and 23613 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:01:48,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:51,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:51,592 INFO L93 Difference]: Finished difference Result 14769 states and 23615 transitions. [2022-11-19 07:01:51,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:01:51,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-11-19 07:01:51,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:51,680 INFO L225 Difference]: With dead ends: 14769 [2022-11-19 07:01:51,681 INFO L226 Difference]: Without dead ends: 14766 [2022-11-19 07:01:51,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 07:01:51,697 INFO L413 NwaCegarLoop]: 6285 mSDtfsCounter, 224 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 12377 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:51,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 12377 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-19 07:01:51,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14766 states. [2022-11-19 07:01:54,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14766 to 14766. [2022-11-19 07:01:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14766 states, 10112 states have (on average 1.4366099683544304) internal successors, (14527), 10137 states have internal predecessors, (14527), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-19 07:01:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14766 states to 14766 states and 23609 transitions. [2022-11-19 07:01:54,695 INFO L78 Accepts]: Start accepts. Automaton has 14766 states and 23609 transitions. Word has length 54 [2022-11-19 07:01:54,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:54,696 INFO L495 AbstractCegarLoop]: Abstraction has 14766 states and 23609 transitions. [2022-11-19 07:01:54,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:01:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14766 states and 23609 transitions. [2022-11-19 07:01:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 07:01:54,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:54,699 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:54,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:01:54,700 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:54,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:54,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1147577640, now seen corresponding path program 1 times [2022-11-19 07:01:54,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:54,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014547456] [2022-11-19 07:01:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:54,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:02:01,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:01,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014547456] [2022-11-19 07:02:02,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014547456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:02,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:02,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:02:02,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087495748] [2022-11-19 07:02:02,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:02,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:02:02,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:02,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:02:02,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:02,003 INFO L87 Difference]: Start difference. First operand 14766 states and 23609 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:02:05,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:06,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:09,098 INFO L93 Difference]: Finished difference Result 29539 states and 50400 transitions. [2022-11-19 07:02:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:02:09,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-11-19 07:02:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:09,183 INFO L225 Difference]: With dead ends: 29539 [2022-11-19 07:02:09,183 INFO L226 Difference]: Without dead ends: 14774 [2022-11-19 07:02:09,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 07:02:09,406 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 0 mSDsluCounter, 6270 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12543 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:09,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12543 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-19 07:02:09,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14774 states. [2022-11-19 07:02:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14774 to 14774. [2022-11-19 07:02:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14774 states, 10120 states have (on average 1.4362648221343874) internal successors, (14535), 10145 states have internal predecessors, (14535), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-19 07:02:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14774 states to 14774 states and 23617 transitions. [2022-11-19 07:02:11,950 INFO L78 Accepts]: Start accepts. Automaton has 14774 states and 23617 transitions. Word has length 58 [2022-11-19 07:02:11,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:11,950 INFO L495 AbstractCegarLoop]: Abstraction has 14774 states and 23617 transitions. [2022-11-19 07:02:11,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:02:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 14774 states and 23617 transitions. [2022-11-19 07:02:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 07:02:11,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:11,955 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:11,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:02:11,955 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:11,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:11,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2028081286, now seen corresponding path program 1 times [2022-11-19 07:02:11,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:11,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796216839] [2022-11-19 07:02:11,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:11,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:02:16,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:16,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796216839] [2022-11-19 07:02:16,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796216839] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:02:16,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122032606] [2022-11-19 07:02:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:16,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:16,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:16,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:16,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:02:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:19,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 8480 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 07:02:19,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:19,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:02:19,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:02:19,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122032606] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 07:02:19,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:02:19,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-19 07:02:19,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786877052] [2022-11-19 07:02:19,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:19,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:02:19,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:02:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:02:19,788 INFO L87 Difference]: Start difference. First operand 14774 states and 23617 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:02:22,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:26,236 INFO L93 Difference]: Finished difference Result 29555 states and 50416 transitions. [2022-11-19 07:02:26,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:02:26,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2022-11-19 07:02:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:26,343 INFO L225 Difference]: With dead ends: 29555 [2022-11-19 07:02:26,343 INFO L226 Difference]: Without dead ends: 14782 [2022-11-19 07:02:26,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:02:26,481 INFO L413 NwaCegarLoop]: 6271 mSDtfsCounter, 11 mSDsluCounter, 6268 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12539 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:26,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 12539 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-19 07:02:26,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14782 states. [2022-11-19 07:02:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14782 to 14782. [2022-11-19 07:02:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14782 states, 10128 states have (on average 1.4359202211690363) internal successors, (14543), 10153 states have internal predecessors, (14543), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-19 07:02:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14782 states to 14782 states and 23625 transitions. [2022-11-19 07:02:29,040 INFO L78 Accepts]: Start accepts. Automaton has 14782 states and 23625 transitions. Word has length 59 [2022-11-19 07:02:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:29,040 INFO L495 AbstractCegarLoop]: Abstraction has 14782 states and 23625 transitions. [2022-11-19 07:02:29,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:02:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 14782 states and 23625 transitions. [2022-11-19 07:02:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-19 07:02:29,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:29,044 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:29,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:02:29,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:02:29,252 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:29,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:29,252 INFO L85 PathProgramCache]: Analyzing trace with hash 68557265, now seen corresponding path program 1 times [2022-11-19 07:02:29,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:29,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878919330] [2022-11-19 07:02:29,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:29,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:06:11,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:07:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:07:40,027 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:07:40,028 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:07:40,029 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:07:40,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:07:40,034 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:07:40,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:07:40,065 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,066 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,066 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,067 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,067 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,067 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,068 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,068 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,068 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,069 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,069 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,069 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,070 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,070 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,070 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,070 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,071 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,071 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,071 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,072 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,072 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,072 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,072 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,073 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,073 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,073 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,074 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,074 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,074 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,074 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,075 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,075 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,075 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,075 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,076 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,076 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,076 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,076 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,076 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,077 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,077 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,077 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,077 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,077 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,078 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,078 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,078 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,078 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,078 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,079 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,079 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,079 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,079 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,080 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,080 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,080 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,080 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,080 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,081 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,081 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,081 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,081 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,082 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,082 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,082 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,082 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,082 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,083 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-19 07:07:40,083 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,083 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,083 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,083 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 07:07:40,084 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 07:07:40,084 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 07:07:40,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:07:40 BoogieIcfgContainer [2022-11-19 07:07:40,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:07:40,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:07:40,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:07:40,186 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:07:40,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:38" (3/4) ... [2022-11-19 07:07:40,190 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:07:40,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:07:40,190 INFO L158 Benchmark]: Toolchain (without parser) took 458395.68ms. Allocated memory was 123.7MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 78.0MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-19 07:07:40,191 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 123.7MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:07:40,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3578.02ms. Allocated memory was 123.7MB in the beginning and 268.4MB in the end (delta: 144.7MB). Free memory was 77.7MB in the beginning and 139.8MB in the end (delta: -62.1MB). Peak memory consumption was 124.1MB. Max. memory is 16.1GB. [2022-11-19 07:07:40,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 592.11ms. Allocated memory is still 268.4MB. Free memory was 139.8MB in the beginning and 101.0MB in the end (delta: 38.8MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-19 07:07:40,192 INFO L158 Benchmark]: Boogie Preprocessor took 740.10ms. Allocated memory was 268.4MB in the beginning and 536.9MB in the end (delta: 268.4MB). Free memory was 101.0MB in the beginning and 352.6MB in the end (delta: -251.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-19 07:07:40,192 INFO L158 Benchmark]: RCFGBuilder took 32227.06ms. Allocated memory was 536.9MB in the beginning and 3.4GB in the end (delta: 2.8GB). Free memory was 352.6MB in the beginning and 2.3GB in the end (delta: -1.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-19 07:07:40,193 INFO L158 Benchmark]: TraceAbstraction took 421245.71ms. Allocated memory was 3.4GB in the beginning and 5.5GB in the end (delta: 2.1GB). Free memory was 2.3GB in the beginning and 3.4GB in the end (delta: -1.1GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-19 07:07:40,193 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 5.5GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:07:40,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 123.7MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3578.02ms. Allocated memory was 123.7MB in the beginning and 268.4MB in the end (delta: 144.7MB). Free memory was 77.7MB in the beginning and 139.8MB in the end (delta: -62.1MB). Peak memory consumption was 124.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 592.11ms. Allocated memory is still 268.4MB. Free memory was 139.8MB in the beginning and 101.0MB in the end (delta: 38.8MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 740.10ms. Allocated memory was 268.4MB in the beginning and 536.9MB in the end (delta: 268.4MB). Free memory was 101.0MB in the beginning and 352.6MB in the end (delta: -251.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * RCFGBuilder took 32227.06ms. Allocated memory was 536.9MB in the beginning and 3.4GB in the end (delta: 2.8GB). Free memory was 352.6MB in the beginning and 2.3GB in the end (delta: -1.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * TraceAbstraction took 421245.71ms. Allocated memory was 3.4GB in the beginning and 5.5GB in the end (delta: 2.1GB). Free memory was 2.3GB in the beginning and 3.4GB in the end (delta: -1.1GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 5.5GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 16052]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4322. Possible FailurePath: [L15563-L15598] static struct dvb_frontend_ops stv090x_ops = {{{'S', 'T', 'V', '0', '9', '0', 'x', ' ', 'M', 'u', 'l', 't', 'i', 's', 't', 'a', 'n', 'd', 'a', 'r', 'd', '\000'}, 0, 950000U, 2150000U, 0U, 0U, 1000000U, 45000000U, 0U, 0U, 268436993}, {5U, 6U, 4U}, & stv090x_release, 0, & stv090x_init, & stv090x_sleep, 0, 0, & stv090x_frontend_algo, 0, 0, 0, & stv090x_read_status, & stv090x_read_per, & stv090x_read_signal_strength, & stv090x_read_cnr, 0, 0, & stv090x_send_diseqc_msg, & stv090x_recv_slave_reply, & stv090x_send_diseqc_burst, & stv090x_set_tone, 0, 0, 0, 0, 0, 0, & stv090x_search, {{{(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0U, 0U, 0U, 0U, 0U, 0U}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {{0}, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L4044-L4058] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[14U] = { {STV090x_QPSK_12, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 30U}, {STV090x_QPSK_35, 47U, 63U, 46U, 47U, 61U, 15U, 14U, 46U, 61U, 14U}, {STV090x_QPSK_23, 47U, 63U, 46U, 47U, 14U, 15U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_34, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_45, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_56, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_89, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_910, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {STV090x_8PSK_35, 60U, 62U, 28U, 46U, 12U, 30U, 43U, 45U, 27U, 29U}, {STV090x_8PSK_23, 29U, 62U, 60U, 46U, 44U, 30U, 12U, 45U, 43U, 29U}, {STV090x_8PSK_34, 14U, 62U, 61U, 46U, 13U, 30U, 44U, 45U, 12U, 29U}, {STV090x_8PSK_56, 46U, 62U, 30U, 46U, 45U, 30U, 60U, 45U, 44U, 29U}, {STV090x_8PSK_89, 62U, 62U, 30U, 46U, 61U, 30U, 13U, 45U, 60U, 29U}, {STV090x_8PSK_910, 62U, 62U, 30U, 46U, 61U, 30U, 29U, 45U, 13U, 29U}}; [L15750] int LDV_IN_INTERRUPT ; [L3525] static struct stv090x_dev *stv090x_first_dev ; [L16276] static int ldv_mutex_lock ; [L4074-L4085] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[11U] = { {STV090x_16APSK_23, 12U, 12U, 12U, 12U, 29U, 12U, 60U, 12U, 44U, 12U}, {STV090x_16APSK_34, 12U, 12U, 12U, 12U, 14U, 12U, 45U, 12U, 29U, 12U}, {STV090x_16APSK_45, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {STV090x_16APSK_56, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {STV090x_16APSK_89, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {STV090x_16APSK_910, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {STV090x_32APSK_34, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_45, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_56, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_89, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_910, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}}; [L4104-L4107] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[4U] = { {STV090x_QPSK, 47U, 46U, 14U, 14U, 61U}, {STV090x_8PSK, 62U, 14U, 45U, 13U, 60U}, {STV090x_16APSK, 30U, 30U, 30U, 61U, 45U}, {STV090x_32APSK, 30U, 30U, 30U, 61U, 45U}}; [L16062] static int ldv_mutex_cred_guard_mutex ; [L4098-L4100] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[3U] = { {STV090x_QPSK_14, 15U, 63U, 14U, 63U, 45U, 47U, 45U, 31U, 61U, 62U}, {STV090x_QPSK_13, 15U, 63U, 14U, 63U, 45U, 47U, 61U, 15U, 61U, 46U}, {STV090x_QPSK_25, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 46U}}; [L3601-L3653] static struct stv090x_tab const stv090x_s1cn_tab[52U] = { {0, 8917}, {5, 8801}, {10, 8667}, {15, 8522}, {20, 8355}, {25, 8175}, {30, 7979}, {35, 7763}, {40, 7530}, {45, 7282}, {50, 7026}, {55, 6781}, {60, 6514}, {65, 6241}, {70, 5965}, {75, 5690}, {80, 5424}, {85, 5161}, {90, 4902}, {95, 4654}, {100, 4417}, {105, 4186}, {110, 3968}, {115, 3757}, {120, 3558}, {125, 3366}, {130, 3185}, {135, 3012}, {140, 2850}, {145, 2698}, {150, 2550}, {160, 2283}, {170, 2042}, {180, 1827}, {190, 1636}, {200, 1466}, {210, 1315}, {220, 1181}, {230, 1064}, {240, 960}, {250, 869}, {260, 792}, {270, 724}, {280, 665}, {290, 616}, {300, 573}, {310, 537}, {320, 507}, {330, 483}, {400, 398}, {450, 381}, {500, 377}}; [L3887-L3986] static struct stv090x_reg stv0903_initval[99U] = { {61724U, 0U}, {61778U, 17U}, {61890U, 72U}, {61891U, 20U}, {61920U, 39U}, {61921U, 33U}, {61856U, 34U}, {61865U, 192U}, {61866U, 192U}, {61857U, 0U}, {62484U, 249U}, {62480U, 8U}, {62494U, 196U}, {62525U, 237U}, {62689U, 130U}, {62527U, 208U}, {62528U, 184U}, {62544U, 210U}, {62547U, 32U}, {62548U, 0U}, {62549U, 240U}, {62550U, 112U}, {62836U, 32U}, {62880U, 136U}, {62882U, 58U}, {62888U, 0U}, {62898U, 16U}, {62872U, 53U}, {62876U, 193U}, {62529U, 248U}, {62465U, 28U}, {62487U, 32U}, {62496U, 112U}, {62497U, 136U}, {62508U, 91U}, {62509U, 56U}, {62520U, 228U}, {62521U, 26U}, {62522U, 9U}, {62526U, 8U}, {62552U, 193U}, {62553U, 88U}, {62554U, 1U}, {62608U, 38U}, {62620U, 134U}, {62621U, 134U}, {62720U, 119U}, {62721U, 133U}, {62722U, 119U}, {62485U, 59U}, {62640U, 255U}, {62641U, 255U}, {62642U, 255U}, {62643U, 255U}, {62644U, 255U}, {62645U, 255U}, {62646U, 255U}, {62647U, 204U}, {62648U, 204U}, {62649U, 204U}, {62650U, 204U}, {62651U, 204U}, {62652U, 204U}, {62653U, 204U}, {62654U, 204U}, {62655U, 207U}, {64134U, 28U}, {64003U, 55U}, {64004U, 41U}, {64005U, 55U}, {64006U, 51U}, {64007U, 49U}, {64008U, 47U}, {64009U, 57U}, {64010U, 58U}, {64011U, 41U}, {64012U, 55U}, {64013U, 51U}, {64014U, 47U}, {64015U, 57U}, {64016U, 58U}, {64063U, 4U}, {64067U, 12U}, {64068U, 15U}, {64069U, 17U}, {64070U, 20U}, {64071U, 23U}, {64072U, 25U}, {64073U, 32U}, {64074U, 33U}, {64075U, 13U}, {64076U, 15U}, {64077U, 19U}, {64078U, 26U}, {64079U, 31U}, {64080U, 33U}, {62976U, 32U}, {62771U, 1U}, {62780U, 47U}}; [L16597] static int ldv_mutex_tuner_lock ; [L3710-L3724] static struct stv090x_tab const stv090x_rf_tab[14U] = { {-5, 51873}, {-10, 49705}, {-15, 47880}, {-20, 46268}, {-25, 44378}, {-30, 41624}, {-35, 39080}, {-40, 33673}, {-45, 22974}, {-50, 14868}, {-55, 11537}, {-60, 8461}, {-65, 41295}, {-70, 1962}}; [L16169] static int ldv_mutex_demod_lock ; [L4020-L4043] static struct stv090x_reg stv0903_cut20_val[23U] = { {62494U, 232U}, {62495U, 16U}, {62525U, 56U}, {62526U, 32U}, {62552U, 90U}, {62720U, 6U}, {62721U, 0U}, {62722U, 4U}, {62465U, 12U}, {64067U, 33U}, {64068U, 33U}, {64069U, 32U}, {64070U, 31U}, {64071U, 30U}, {64072U, 30U}, {64073U, 29U}, {64074U, 27U}, {64075U, 32U}, {64076U, 32U}, {64077U, 32U}, {64078U, 32U}, {64079U, 32U}, {64080U, 33U}}; [L4059-L4073] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[14U] = { {STV090x_QPSK_12, 60U, 44U, 12U, 44U, 27U, 44U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_35, 13U, 13U, 12U, 13U, 27U, 60U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_23, 29U, 13U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_34, 29U, 29U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_45, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {STV090x_QPSK_56, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {STV090x_QPSK_89, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {STV090x_QPSK_910, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {STV090x_8PSK_35, 57U, 41U, 57U, 25U, 25U, 25U, 25U, 25U, 9U, 25U}, {STV090x_8PSK_23, 42U, 57U, 26U, 10U, 57U, 10U, 41U, 57U, 41U, 10U}, {STV090x_8PSK_34, 43U, 58U, 27U, 27U, 58U, 27U, 26U, 11U, 26U, 58U}, {STV090x_8PSK_56, 12U, 27U, 59U, 59U, 27U, 59U, 58U, 59U, 58U, 27U}, {STV090x_8PSK_89, 13U, 60U, 44U, 44U, 43U, 12U, 11U, 59U, 11U, 27U}, {STV090x_8PSK_910, 13U, 13U, 44U, 60U, 59U, 28U, 11U, 59U, 11U, 27U}}; [L16383] static int ldv_mutex_mtx ; [L3725-L3886] static struct stv090x_reg stv0900_initval[161U] = { {61724U, 0U}, {61725U, 255U}, {61778U, 17U}, {61782U, 19U}, {63088U, 20U}, {61921U, 33U}, {61923U, 33U}, {61840U, 34U}, {61849U, 192U}, {61850U, 192U}, {61841U, 0U}, {61972U, 249U}, {61968U, 8U}, {61982U, 196U}, {62013U, 237U}, {62015U, 208U}, {62016U, 184U}, {62032U, 210U}, {62035U, 32U}, {62544U, 210U}, {62036U, 0U}, {62368U, 136U}, {62370U, 58U}, {62376U, 0U}, {62386U, 16U}, {62360U, 53U}, {62364U, 193U}, {62017U, 248U}, {61953U, 28U}, {61975U, 32U}, {61984U, 112U}, {61985U, 136U}, {61996U, 91U}, {61997U, 56U}, {62008U, 228U}, {62009U, 26U}, {62010U, 9U}, {62014U, 8U}, {62040U, 193U}, {62037U, 240U}, {62038U, 112U}, {62041U, 88U}, {62042U, 1U}, {62096U, 38U}, {62108U, 134U}, {62109U, 134U}, {62208U, 119U}, {62209U, 133U}, {62210U, 119U}, {62324U, 32U}, {61973U, 59U}, {62128U, 255U}, {62129U, 255U}, {62130U, 255U}, {62131U, 255U}, {62132U, 255U}, {62133U, 255U}, {62134U, 255U}, {62135U, 204U}, {62136U, 204U}, {62137U, 204U}, {62138U, 204U}, {62139U, 204U}, {62140U, 204U}, {62141U, 204U}, {62142U, 204U}, {62143U, 207U}, {61856U, 34U}, {61865U, 192U}, {61866U, 192U}, {61857U, 0U}, {62484U, 249U}, {62480U, 8U}, {62494U, 196U}, {62487U, 32U}, {62525U, 237U}, {62527U, 208U}, {62528U, 184U}, {62544U, 210U}, {62547U, 32U}, {62548U, 0U}, {62549U, 240U}, {62550U, 112U}, {62836U, 32U}, {62880U, 136U}, {62882U, 58U}, {62888U, 0U}, {62898U, 16U}, {62872U, 53U}, {62876U, 193U}, {62529U, 248U}, {62465U, 28U}, {62496U, 112U}, {62497U, 136U}, {62508U, 91U}, {62509U, 56U}, {62520U, 228U}, {62521U, 26U}, {62522U, 9U}, {62526U, 8U}, {62552U, 193U}, {62553U, 88U}, {62554U, 1U}, {62608U, 38U}, {62620U, 134U}, {62621U, 134U}, {62720U, 119U}, {62721U, 133U}, {62722U, 119U}, {62485U, 59U}, {62640U, 255U}, {62641U, 255U}, {62642U, 255U}, {62643U, 255U}, {62644U, 255U}, {62645U, 255U}, {62646U, 255U}, {62647U, 204U}, {62648U, 204U}, {62649U, 204U}, {62650U, 204U}, {62651U, 204U}, {62652U, 204U}, {62653U, 204U}, {62654U, 204U}, {62655U, 207U}, {64134U, 29U}, {64003U, 55U}, {64004U, 41U}, {64005U, 55U}, {64006U, 51U}, {64007U, 49U}, {64008U, 47U}, {64009U, 57U}, {64010U, 58U}, {64011U, 41U}, {64012U, 55U}, {64013U, 51U}, {64014U, 47U}, {64015U, 57U}, {64016U, 58U}, {64063U, 4U}, {64067U, 12U}, {64068U, 15U}, {64069U, 17U}, {64070U, 20U}, {64071U, 23U}, {64072U, 25U}, {64073U, 32U}, {64074U, 33U}, {64075U, 13U}, {64076U, 15U}, {64077U, 19U}, {64078U, 26U}, {64079U, 31U}, {64080U, 33U}, {62976U, 32U}, {62771U, 1U}, {62259U, 1U}, {62780U, 47U}, {62268U, 47U}}; [L3524] static unsigned int verbose ; [L4086-L4097] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[11U] = { {STV090x_16APSK_23, 10U, 10U, 10U, 10U, 26U, 10U, 58U, 10U, 42U, 10U}, {STV090x_16APSK_34, 10U, 10U, 10U, 10U, 11U, 10U, 59U, 10U, 27U, 10U}, {STV090x_16APSK_45, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {STV090x_16APSK_56, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {STV090x_16APSK_89, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {STV090x_16APSK_910, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {STV090x_32APSK_34, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_45, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_56, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_89, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_910, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}}; [L3654-L3709] static struct stv090x_tab const stv090x_s2cn_tab[55U] = { {-30, 13348}, {-20, 12640}, {-10, 11883}, {0, 11101}, {5, 10718}, {10, 10339}, {15, 9947}, {20, 9552}, {25, 9183}, {30, 8799}, {35, 8422}, {40, 8062}, {45, 7707}, {50, 7353}, {55, 7025}, {60, 6684}, {65, 6331}, {70, 6036}, {75, 5727}, {80, 5437}, {85, 5164}, {90, 4902}, {95, 4653}, {100, 4408}, {105, 4187}, {110, 3961}, {115, 3751}, {120, 3558}, {125, 3368}, {130, 3191}, {135, 3017}, {140, 2862}, {145, 2710}, {150, 2565}, {160, 2300}, {170, 2058}, {180, 1849}, {190, 1663}, {200, 1495}, {210, 1349}, {220, 1222}, {230, 1110}, {240, 1011}, {250, 925}, {260, 853}, {270, 789}, {280, 734}, {290, 690}, {300, 650}, {310, 619}, {320, 593}, {330, 571}, {400, 498}, {450, 484}, {500, 481}}; [L16490] static int ldv_mutex_mutex ; [L3987-L4019] static struct stv090x_reg stv0900_cut20_val[32U] = { {61982U, 232U}, {61983U, 16U}, {62013U, 56U}, {62014U, 32U}, {62040U, 90U}, {62208U, 6U}, {62209U, 0U}, {62210U, 4U}, {61953U, 12U}, {62494U, 232U}, {62495U, 16U}, {62525U, 56U}, {62526U, 32U}, {62552U, 90U}, {62720U, 6U}, {62721U, 0U}, {62722U, 4U}, {62465U, 12U}, {64067U, 33U}, {64068U, 33U}, {64069U, 32U}, {64070U, 31U}, {64071U, 30U}, {64072U, 30U}, {64073U, 29U}, {64074U, 27U}, {64075U, 32U}, {64076U, 32U}, {64077U, 32U}, {64078U, 32U}, {64079U, 32U}, {64080U, 33U}}; [L4108-L4111] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[4U] = { {STV090x_QPSK, 44U, 43U, 11U, 11U, 58U}, {STV090x_8PSK, 59U, 11U, 42U, 10U, 57U}, {STV090x_16APSK, 27U, 27U, 27U, 58U, 42U}, {STV090x_32APSK, 27U, 27U, 27U, 58U, 42U}}; [L4101-L4103] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[3U] = { {STV090x_QPSK_14, 12U, 60U, 11U, 60U, 42U, 44U, 42U, 28U, 58U, 59U}, {STV090x_QPSK_13, 12U, 60U, 11U, 60U, 42U, 44U, 58U, 12U, 58U, 43U}, {STV090x_QPSK_25, 28U, 60U, 27U, 60U, 58U, 28U, 58U, 59U, 58U, 43U}}; [L15753] struct dvb_frontend *var_group1 ; [L15754] struct dvb_diseqc_master_cmd *var_group2 ; [L15755] fe_sec_mini_cmd_t var_stv090x_send_diseqc_burst_57_p1 ; [L15756] struct dvb_diseqc_slave_reply *var_group3 ; [L15757] fe_sec_tone_mode_t var_stv090x_set_tone_54_p1 ; [L15758] enum fe_status *var_stv090x_read_status_49_p1 ; [L15759] u32 *var_stv090x_read_per_50_p1 ; [L15760] u16 *var_stv090x_read_signal_strength_52_p1 ; [L15761] u16 *var_stv090x_read_cnr_53_p1 ; [L15762] int ldv_s_stv090x_ops_dvb_frontend_ops ; [L15763] int tmp ; [L15764] int tmp___0 ; [L15766] ldv_s_stv090x_ops_dvb_frontend_ops = 0 [L15767] LDV_IN_INTERRUPT = 1 [L15768] CALL ldv_initialize() [L16707] ldv_mutex_cred_guard_mutex = 1 [L16708] ldv_mutex_demod_lock = 1 [L16709] ldv_mutex_lock = 1 [L16710] ldv_mutex_mtx = 1 [L16711] ldv_mutex_mutex = 1 [L16712] ldv_mutex_tuner_lock = 1 [L15768] RET ldv_initialize() [L15834] tmp___0 = __VERIFIER_nondet_int() [L15835] COND TRUE tmp___0 != 0 || ldv_s_stv090x_ops_dvb_frontend_ops != 0 [L15771] tmp = __VERIFIER_nondet_int() [L15773] case 0: [L15781] case 1: VAL [LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=1, tmp___0=1, verbose={788:0}] [L15782] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=1, tmp___0=1, verbose={788:0}] [L15783] CALL stv090x_init(var_group1) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L15078] struct stv090x_state *state ; [L15079] struct stv090x_config const *config ; [L15080] u32 reg ; [L15081] int tmp ; [L15082] int tmp___0 ; [L15083] int tmp___1 ; [L15084] int tmp___2 ; [L15085] int tmp___3 ; [L15086] int tmp___4 ; [L15087] int tmp___5 ; [L15088] int tmp___6 ; [L15089] int tmp___7 ; [L15090] int tmp___8 ; [L15091] int tmp___9 ; [L15092] int tmp___10 ; [L15093] int tmp___11 ; [L15094] int tmp___12 ; [L15095] int tmp___13 ; [L15096] int tmp___14 ; [L15097] int tmp___15 ; [L15098] int tmp___16 ; [L15099] int tmp___17 ; [L15100] int tmp___18 ; [L15101] int tmp___19 ; [L15102] int tmp___20 ; [L15103] int tmp___21 ; [L15105] EXPR fe->demodulator_priv [L15105] state = (struct stv090x_state *)fe->demodulator_priv [L15106] EXPR state->config [L15106] config = state->config [L15107] EXPR state->internal [L15107] EXPR (state->internal)->mclk VAL [(state->internal)->mclk=0, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, config={794:-131}, fe={18446744073709550882:-778}, fe={18446744073709550882:-778}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state->internal={18446744073709550893:-324}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L15107] COND TRUE (state->internal)->mclk == 0 [L15108] CALL stv090x_i2c_gate_ctrl(state, 1) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4277] u32 reg ; [L4278] int tmp ; [L4279] int tmp___0 ; [L4280] int tmp___1 ; [L4281] int tmp___2 ; [L4282] int tmp___3 ; [L4283] int tmp___4 ; [L4284] int tmp___5 ; [L4285] int tmp___6 ; [L4286] int tmp___7 ; VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4288] COND TRUE enable != 0 [L4289] EXPR state->config [L4289] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={798:18446744073709550819}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, state->config={794:-131}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4289-L4290] COND TRUE (unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0) [L4291] EXPR state->config [L4291] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={798:18446744073709550819}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, state->config={794:-131}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4291] FCALL (*((state->config)->tuner_i2c_lock))(& state->frontend, 1) VAL [(state->config)->tuner_i2c_lock={798:18446744073709550819}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, state->config={794:-131}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4297] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, state->demod=2, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4297] COND TRUE (unsigned int )state->demod == 2U [L4298] CALL, EXPR stv090x_read_reg(state, 61739U) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4124] struct stv090x_config const *config ; [L4125] int ret ; [L4126] u8 b0[2U] ; [L4127] u8 buf ; [L4128] struct i2c_msg msg[2U] ; [L4129] long tmp ; [L4131] EXPR state->config [L4131] config = state->config [L4132] b0[0] = (unsigned char )(reg >> 8) [L4133] b0[1] = (unsigned char )reg [L4134] EXPR config->address [L4134] msg[0].addr = (unsigned short )config->address [L4135] msg[0].flags = 0U [L4136] msg[0].len = 2U [L4137] msg[0].buf = (__u8 *)(& b0) [L4138] EXPR config->address [L4138] msg[1].addr = (unsigned short )config->address [L4139] msg[1].flags = 1U [L4140] msg[1].len = 1U [L4141] msg[1].buf = & buf [L4142] EXPR state->i2c VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, b0={800:0}, buf={802:0}, config={794:-131}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, msg={794:0}, reg=61739, state={794:14}, state={794:14}, state->i2c={18446744073709550859:18446744073709550878}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4142] CALL, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(arg2)=2, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, arg0={18446744073709550859:18446744073709550878}, arg1={794:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L16751] return __VERIFIER_nondet_int(); [L4142] RET, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, b0={800:0}, buf={802:0}, config={794:-131}, i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2)=-512, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, msg={794:0}, reg=61739, state={794:14}, state={794:14}, state->i2c={18446744073709550859:18446744073709550878}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4142] ret = i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) [L4143] COND TRUE ret != 2 [L4144] COND FALSE !(ret != -512) [L4167] return (ret < 0 ? ret : -121); [L4167] return (ret < 0 ? ret : -121); [L4167] return (ret < 0 ? ret : -121); [L4167] return (ret < 0 ? ret : -121); VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, \read(verbose)=18446744073709550877, \read(verbose)=18446744073709550845, \read(verbose)=18446744073709550828, \read(verbose)=18446744073709550839, \read(verbose)=18446744073709550841, \result=-512, config={794:-131}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550862, printk("\017%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550836, printk("\r%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550855, printk("\v%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550885, printk("Read error, Reg=[0x%02x], Status=%d", reg, ret)=18446744073709550837, reg=61739, ret=-512, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}, verbose != 0U && verbose != 0U=0, verbose > 1U && verbose != 0U=0, verbose > 2U && verbose != 0U=0, verbose > 3U && verbose != 0U=0] [L4298] RET, EXPR stv090x_read_reg(state, 61739U) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_read_reg(state, 61739U)=-512, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4298] tmp = stv090x_read_reg(state, 61739U) [L4299] tmp___1 = tmp VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=-512, tmp___1=-512, verbose={788:0}] [L4304] reg = (u32 )tmp___1 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=4294966784, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=-512, tmp___1=-512, verbose={788:0}] [L4305] COND TRUE enable != 0 [L4306] EXPR \read(verbose) [L4306] verbose != 0U && verbose > 3U [L4306] COND FALSE !(verbose != 0U && verbose > 3U) [L4309] EXPR \read(verbose) [L4309] verbose > 1U && verbose > 3U [L4309] COND FALSE !(verbose > 1U && verbose > 3U) [L4312] EXPR \read(verbose) [L4312] verbose > 2U && verbose > 3U [L4312] COND FALSE !(verbose > 2U && verbose > 3U) [L4315] EXPR \read(verbose) [L4315] verbose > 3U && verbose > 3U [L4315] COND FALSE !(verbose > 3U && verbose > 3U) [L4318] EXPR \read(verbose) [L4318] COND FALSE !(verbose > 3U) [L4322] reg = reg | 128U [L4323] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550835, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550848, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550849, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550892, printk("Enable Gate")=18446744073709550823, reg=241, state={794:14}, state={794:14}, state->demod=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=-512, tmp___1=-512, verbose={788:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4323] COND FALSE !((unsigned int )state->demod == 2U) [L4327] CALL, EXPR stv090x_write_reg(state, 61738U, (int )((u8 )reg)) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L4269] int tmp ; [L4271] CALL, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4196] struct stv090x_config const *config ; [L4197] int ret ; [L4198] u8 *buf ; [L4199] unsigned long __lengthofbuf ; [L4200] void *tmp ; [L4201] struct i2c_msg i2c_msg ; [L4202] size_t __len ; [L4203] void *__ret ; [L4204] int i ; [L4205] long tmp___0 ; [L4207] EXPR state->config [L4207] config = state->config [L4208] __lengthofbuf = (unsigned long )((long )(count + 2U) + 0L) [L4209] tmp = __builtin_alloca(sizeof(*buf) * __lengthofbuf) [L4210] buf = (u8 *)tmp [L4211] EXPR config->address [L4211] i2c_msg.addr = (unsigned short )config->address [L4212] i2c_msg.flags = 0U [L4213] i2c_msg.len = (unsigned int )((unsigned short )count) + 2U [L4214] i2c_msg.buf = (__u8 *)(& buf) [L4215] EXPR \read(*buf) [L4215] *(buf + 0) = (u8 )(reg >> 8) [L4216] EXPR \read(*buf) [L4216] *(buf + 1) = (u8 )reg [L4217] __len = (size_t )count [L4218] EXPR, FCALL memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4218] __ret = memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4219] EXPR state->verbose VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61738, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={801:0}, __len=1, __lengthofbuf=3, __ret={800:2}, buf={800:0}, config={794:-131}, count=1, data={796:0}, data={796:0}, i2c_msg={795:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61738, state={794:14}, state={794:14}, state->verbose=4294967299, state->verbose={18446744073709550857:18446744073709550870}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp={801:0}, verbose={788:0}] [L4219] CALL, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(c)=0, \old(exp)=0, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L16059] return (exp); [L4219] RET, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61738, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={801:0}, __len=1, __lengthofbuf=3, __ret={800:2}, buf={800:0}, config={794:-131}, count=1, data={796:0}, data={796:0}, i2c_msg={795:0}, ldv__builtin_expect(*(state->verbose) > 3U, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61738, state={794:14}, state={794:14}, state->verbose={18446744073709550857:18446744073709550870}, state->verbose=4294967299, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp={801:0}, verbose={788:0}] [L4219] tmp___0 = ldv__builtin_expect(*(state->verbose) > 3U, 0L) [L4220] COND FALSE !(tmp___0 != 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61738, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={801:0}, __len=1, __lengthofbuf=3, __ret={800:2}, buf={800:0}, config={794:-131}, count=1, data={796:0}, data={796:0}, i2c_msg={795:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61738, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp={801:0}, tmp___0=0, verbose={788:0}] [L4235] EXPR state->i2c VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61738, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={801:0}, __len=1, __lengthofbuf=3, __ret={800:2}, buf={800:0}, config={794:-131}, count=1, data={796:0}, data={796:0}, i2c_msg={795:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61738, state={794:14}, state={794:14}, state->i2c={18446744073709550859:18446744073709550878}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp={801:0}, tmp___0=0, verbose={788:0}] [L4235] CALL, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(arg2)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, arg0={18446744073709550859:18446744073709550878}, arg1={795:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L16751] return __VERIFIER_nondet_int(); [L4235] RET, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61738, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={801:0}, __len=1, __lengthofbuf=3, __ret={800:2}, buf={800:0}, config={794:-131}, count=1, data={796:0}, data={796:0}, i2c_msg={795:0}, i2c_transfer(state->i2c, & i2c_msg, 1)=-512, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61738, state={794:14}, state={794:14}, state->i2c={18446744073709550859:18446744073709550878}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp={801:0}, tmp___0=0, verbose={788:0}] [L4235] ret = i2c_transfer(state->i2c, & i2c_msg, 1) [L4236] COND TRUE ret != 1 [L4237] COND FALSE !(ret != -512) [L4261] return (ret < 0 ? ret : -121); [L4261] return (ret < 0 ? ret : -121); [L4261] return (ret < 0 ? ret : -121); [L4271] RET, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4271] tmp = stv090x_write_regs(state, reg, & data, 1U) [L4272] return (tmp); [L4272] return (tmp); [L4327] RET, EXPR stv090x_write_reg(state, 61738U, (int )((u8 )reg)) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550835, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550848, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550849, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550892, printk("Enable Gate")=18446744073709550823, reg=241, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, stv090x_write_reg(state, 61738U, (int )((u8 )reg))=-512, tmp=-512, tmp___1=-512, verbose={788:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4327] tmp___3 = stv090x_write_reg(state, 61738U, (int )((u8 )reg)) [L4328] tmp___4 = tmp___3 < 0 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550835, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550848, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550849, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550892, printk("Enable Gate")=18446744073709550823, reg=241, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=-512, tmp___1=-512, tmp___3=-512, tmp___4=1, verbose={788:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4330] COND TRUE \read(tmp___4) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550835, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550848, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550849, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550892, printk("Enable Gate")=18446744073709550823, reg=241, state={794:14}, state={794:14}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=-512, tmp___1=-512, tmp___3=-512, tmp___4=1, verbose={788:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4375] EXPR \read(verbose) [L4375] verbose != 0U && verbose != 0U [L4375] COND FALSE !(verbose != 0U && verbose != 0U) [L4378] EXPR \read(verbose) [L4378] verbose > 1U && verbose != 0U [L4378] COND FALSE !(verbose > 1U && verbose != 0U) [L4381] EXPR \read(verbose) [L4381] verbose > 2U && verbose != 0U [L4381] COND FALSE !(verbose > 2U && verbose != 0U) [L4384] EXPR \read(verbose) [L4384] verbose > 3U && verbose != 0U [L4384] COND FALSE !(verbose > 3U && verbose != 0U) [L4387] EXPR \read(verbose) [L4387] COND FALSE !(verbose != 0U) [L4391] EXPR state->config [L4391] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={797:18446744073709550819}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550872, \read(verbose)=18446744073709550880, \read(verbose)=18446744073709550831, \read(verbose)=18446744073709550825, \read(verbose)=18446744073709550838, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550835, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550848, printk("\016%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550863, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550849, printk("\017%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550844, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\r%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550853, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550892, printk("\v%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550840, printk("Enable Gate")=18446744073709550823, printk("I/O error")=18446744073709550829, reg=241, state={794:14}, state={794:14}, state->config={794:-131}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, tmp=-512, tmp___1=-512, tmp___3=-512, tmp___4=1, verbose={788:0}, verbose > 1U && verbose != 0U=0, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose != 0U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose != 0U=0, verbose > 3U && verbose > 3U=0] [L4391-L4392] COND FALSE !((unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0)) [L4395] EXPR state->internal [L4395] CALL ldv_mutex_unlock_14(& (state->internal)->tuner_lock) [L15955] CALL ldv_mutex_unlock_tuner_lock(ldv_func_arg1) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, lock={18446744073709550893:-159}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L16696] COND FALSE !(ldv_mutex_tuner_lock == 2) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, lock={18446744073709550893:-159}, lock={18446744073709550893:-159}, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L16698] CALL ldv_error() VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] [L16052] reach_error() VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={791:0}, stv0900_initval={787:0}, stv0903_cut20_val={785:0}, stv0903_initval={783:0}, stv090x_first_dev={0:0}, stv090x_ops={777:0}, stv090x_rf_tab={784:0}, stv090x_s1cn_tab={782:0}, stv090x_s2_apsk_crl_cut20={779:0}, stv090x_s2_apsk_crl_cut30={789:0}, stv090x_s2_crl_cut20={778:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={781:0}, stv090x_s2_lowqpsk_crl_cut30={793:0}, stv090x_s2_short_crl_cut20={780:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={790:0}, verbose={788:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 4156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 420.8s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 64.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 39841 SdHoareTripleChecker+Valid, 56.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39793 mSDsluCounter, 113626 SdHoareTripleChecker+Invalid, 54.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48567 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6109 IncrementalHoareTripleChecker+Invalid, 6169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 65059 mSDtfsCounter, 6109 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14782occurred in iteration=10, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 22.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 59 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 232.9s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8480 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 07:07:40,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 --- 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 07:07:42,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:07:42,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:07:42,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:07:42,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:07:42,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:07:42,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:07:42,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:07:42,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:07:42,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:07:42,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:07:42,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:07:42,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:07:42,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:07:42,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:07:42,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:07:42,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:07:42,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:07:42,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:07:42,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:07:42,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:07:42,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:07:42,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:07:42,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:07:42,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:07:42,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:07:42,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:07:42,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:07:42,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:07:42,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:07:42,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:07:42,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:07:42,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:07:42,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:07:42,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:07:42,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:07:42,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:07:42,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:07:42,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:07:42,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:07:42,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:07:42,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:07:42,873 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:07:42,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:07:42,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:07:42,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:07:42,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:07:42,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:07:42,877 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:07:42,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:07:42,877 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:07:42,877 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:07:42,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:07:42,879 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:07:42,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:07:42,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:07:42,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:07:42,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:07:42,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:07:42,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:07:42,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:07:42,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:07:42,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:07:42,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:07:42,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:07:42,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:07:42,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:07:42,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:07:42,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:42,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:07:42,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:07:42,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:07:42,884 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:07:42,884 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:07:42,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:07:42,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:07:42,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:07:42,885 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 [2022-11-19 07:07:43,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:07:43,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:07:43,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:07:43,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:07:43,311 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:07:43,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-19 07:07:43,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/a8eda78a5/5d5c6951dade4a7aaacadcb1130790f5/FLAG4137ccd9f [2022-11-19 07:07:44,402 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:07:44,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-19 07:07:44,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/a8eda78a5/5d5c6951dade4a7aaacadcb1130790f5/FLAG4137ccd9f [2022-11-19 07:07:44,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/data/a8eda78a5/5d5c6951dade4a7aaacadcb1130790f5 [2022-11-19 07:07:44,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:07:44,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:07:44,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:44,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:07:44,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:07:44,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:07:44" (1/1) ... [2022-11-19 07:07:44,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d6fcca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:44, skipping insertion in model container [2022-11-19 07:07:44,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:07:44" (1/1) ... [2022-11-19 07:07:44,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:07:45,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:07:47,378 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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-19 07:07:47,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:47,639 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 07:07:47,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:07:48,539 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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-19 07:07:48,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:48,632 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:07:49,205 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_b6f8ecca-0309-4791-933c-6c1f841a5ef7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-19 07:07:49,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:49,357 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:07:49,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49 WrapperNode [2022-11-19 07:07:49,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:49,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:49,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:07:49,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:07:49,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:49,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:49,921 INFO L138 Inliner]: procedures = 199, calls = 7161, calls flagged for inlining = 69, calls inlined = 54, statements flattened = 15832 [2022-11-19 07:07:49,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:49,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:07:49,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:07:49,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:07:49,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:49,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:07:50,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:07:50,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:07:50,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:07:50,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (1/1) ... [2022-11-19 07:07:50,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:07:50,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:07:50,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:07:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock [2022-11-19 07:07:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock [2022-11-19 07:07:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 07:07:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:07:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:07:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-19 07:07:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-19 07:07:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:07:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:07:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:07:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-19 07:07:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-19 07:07:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-19 07:07:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-19 07:07:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-19 07:07:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-19 07:07:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:07:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:07:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:07:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:07:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-19 07:07:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-19 07:07:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-19 07:07:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-19 07:07:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-19 07:07:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-19 07:07:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-19 07:07:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-19 07:07:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 07:07:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 07:07:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-19 07:07:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-19 07:07:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:07:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-19 07:07:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-19 07:07:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-19 07:07:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-19 07:07:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:07:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-19 07:07:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-19 07:07:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-19 07:07:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-19 07:07:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-19 07:07:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-19 07:07:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-19 07:07:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-19 07:07:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-19 07:07:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-19 07:07:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-19 07:07:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-19 07:07:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:07:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:07:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:07:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-19 07:07:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-19 07:07:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-19 07:07:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:07:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:07:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 07:07:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 07:07:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-19 07:07:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-19 07:07:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-19 07:07:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-19 07:07:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-19 07:07:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-19 07:07:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-19 07:07:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-19 07:07:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-19 07:07:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-19 07:07:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock [2022-11-19 07:07:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock [2022-11-19 07:07:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-19 07:07:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-19 07:07:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-19 07:07:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-19 07:07:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 07:07:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 07:07:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:07:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:07:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-19 07:07:50,798 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-19 07:07:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-19 07:07:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-19 07:07:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-19 07:07:50,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-19 07:07:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-19 07:07:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-19 07:07:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-19 07:07:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-19 07:07:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-19 07:07:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-19 07:07:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-19 07:07:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:07:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:07:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:07:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:07:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-19 07:07:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-19 07:07:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-19 07:07:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-19 07:07:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-19 07:07:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-19 07:07:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-19 07:07:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-19 07:07:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-19 07:07:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-19 07:07:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-19 07:07:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-19 07:07:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-19 07:07:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-19 07:07:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-19 07:07:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-19 07:07:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-19 07:07:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock [2022-11-19 07:07:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock [2022-11-19 07:07:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-19 07:07:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-19 07:07:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:07:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:07:52,206 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:07:52,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:08:36,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:08:36,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:08:36,458 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:08:36,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:36 BoogieIcfgContainer [2022-11-19 07:08:36,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:08:36,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:08:36,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:08:36,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:08:36,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:07:44" (1/3) ... [2022-11-19 07:08:36,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c0fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:08:36, skipping insertion in model container [2022-11-19 07:08:36,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:49" (2/3) ... [2022-11-19 07:08:36,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c0fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:08:36, skipping insertion in model container [2022-11-19 07:08:36,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:36" (3/3) ... [2022-11-19 07:08:36,478 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-19 07:08:36,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:08:36,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:08:36,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:08:36,672 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;@760ff2d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:08:36,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:08:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 5260 states, 3933 states have (on average 1.5359776252224764) internal successors, (6041), 3947 states have internal predecessors, (6041), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) [2022-11-19 07:08:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:08:36,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:36,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:36,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:08:36,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash -415822776, now seen corresponding path program 1 times [2022-11-19 07:08:36,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:08:36,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360128300] [2022-11-19 07:08:36,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:36,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:08:36,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:08:36,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:08:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 07:08:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:44,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 5113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:08:44,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:08:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:44,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:08:44,246 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:08:44,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360128300] [2022-11-19 07:08:44,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360128300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:44,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:44,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:08:44,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751190258] [2022-11-19 07:08:44,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:44,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:08:44,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:08:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:08:44,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:08:44,339 INFO L87 Difference]: Start difference. First operand has 5260 states, 3933 states have (on average 1.5359776252224764) internal successors, (6041), 3947 states have internal predecessors, (6041), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:08:45,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:45,481 INFO L93 Difference]: Finished difference Result 10514 states and 17240 transitions. [2022-11-19 07:08:45,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:08:45,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 07:08:45,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:45,561 INFO L225 Difference]: With dead ends: 10514 [2022-11-19 07:08:45,561 INFO L226 Difference]: Without dead ends: 5253 [2022-11-19 07:08:45,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 07:08:45,639 INFO L413 NwaCegarLoop]: 8580 mSDtfsCounter, 8576 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8576 SdHoareTripleChecker+Valid, 8580 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:45,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8576 Valid, 8580 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:08:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2022-11-19 07:08:46,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5253. [2022-11-19 07:08:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 3929 states have (on average 1.5357597353016035) internal successors, (6034), 3940 states have internal predecessors, (6034), 1276 states have call successors, (1276), 48 states have call predecessors, (1276), 47 states have return successors, (1267), 1266 states have call predecessors, (1267), 1267 states have call successors, (1267) [2022-11-19 07:08:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 8577 transitions. [2022-11-19 07:08:46,881 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 8577 transitions. Word has length 8 [2022-11-19 07:08:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:46,882 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 8577 transitions. [2022-11-19 07:08:46,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:08:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 8577 transitions. [2022-11-19 07:08:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:08:46,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:46,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:47,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:08:47,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:08:47,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:08:47,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:47,107 INFO L85 PathProgramCache]: Analyzing trace with hash -8100993, now seen corresponding path program 1 times [2022-11-19 07:08:47,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:08:47,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615618163] [2022-11-19 07:08:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:47,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:08:47,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:08:47,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:08:47,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 07:08:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:54,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:08:54,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:08:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:54,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:08:54,719 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:08:54,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615618163] [2022-11-19 07:08:54,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615618163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:54,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:54,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:08:54,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616690231] [2022-11-19 07:08:54,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:54,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:08:54,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:08:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:08:54,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:08:54,722 INFO L87 Difference]: Start difference. First operand 5253 states and 8577 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:08:55,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:55,569 INFO L93 Difference]: Finished difference Result 10574 states and 17265 transitions. [2022-11-19 07:08:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:08:55,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 07:08:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:55,626 INFO L225 Difference]: With dead ends: 10574 [2022-11-19 07:08:55,626 INFO L226 Difference]: Without dead ends: 5324 [2022-11-19 07:08:55,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 07:08:55,681 INFO L413 NwaCegarLoop]: 8577 mSDtfsCounter, 8307 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8307 SdHoareTripleChecker+Valid, 8940 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:55,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8307 Valid, 8940 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:08:55,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-11-19 07:08:56,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-11-19 07:08:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5321 states, 3989 states have (on average 1.5362246176986714) internal successors, (6128), 3998 states have internal predecessors, (6128), 1279 states have call successors, (1279), 54 states have call predecessors, (1279), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-19 07:08:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 8678 transitions. [2022-11-19 07:08:57,060 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 8678 transitions. Word has length 9 [2022-11-19 07:08:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:57,060 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 8678 transitions. [2022-11-19 07:08:57,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:08:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 8678 transitions. [2022-11-19 07:08:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 07:08:57,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:57,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:57,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:08:57,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:08:57,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:08:57,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:57,279 INFO L85 PathProgramCache]: Analyzing trace with hash -253622741, now seen corresponding path program 1 times [2022-11-19 07:08:57,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:08:57,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409765670] [2022-11-19 07:08:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:57,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:08:57,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:08:57,297 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:08:57,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 07:09:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:05,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 5115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:09:05,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:09:05,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:05,151 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:09:05,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409765670] [2022-11-19 07:09:05,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409765670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:05,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:05,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:09:05,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952916671] [2022-11-19 07:09:05,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:05,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:09:05,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:09:05,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:09:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:09:05,154 INFO L87 Difference]: Start difference. First operand 5321 states and 8678 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:05,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:05,916 INFO L93 Difference]: Finished difference Result 5323 states and 8679 transitions. [2022-11-19 07:09:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:09:05,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 07:09:05,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:05,966 INFO L225 Difference]: With dead ends: 5323 [2022-11-19 07:09:05,967 INFO L226 Difference]: Without dead ends: 5320 [2022-11-19 07:09:05,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 07:09:05,975 INFO L413 NwaCegarLoop]: 8570 mSDtfsCounter, 8564 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8564 SdHoareTripleChecker+Valid, 8570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:05,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8564 Valid, 8570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:09:05,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-11-19 07:09:06,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-11-19 07:09:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5320 states, 3989 states have (on average 1.5359739283028329) internal successors, (6127), 3997 states have internal predecessors, (6127), 1278 states have call successors, (1278), 54 states have call predecessors, (1278), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-19 07:09:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 8676 transitions. [2022-11-19 07:09:06,976 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 8676 transitions. Word has length 10 [2022-11-19 07:09:06,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:06,976 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 8676 transitions. [2022-11-19 07:09:06,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 8676 transitions. [2022-11-19 07:09:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:09:06,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:06,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:07,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-19 07:09:07,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:07,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:07,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 725142530, now seen corresponding path program 1 times [2022-11-19 07:09:07,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:09:07,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525493535] [2022-11-19 07:09:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:07,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:07,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:09:07,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:09:07,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 07:09:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:14,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 5116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:09:14,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:09:14,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:14,603 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:09:14,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525493535] [2022-11-19 07:09:14,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525493535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:14,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:14,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:09:14,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624392423] [2022-11-19 07:09:14,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:14,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:09:14,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:09:14,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:09:14,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:09:14,605 INFO L87 Difference]: Start difference. First operand 5320 states and 8676 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:15,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:15,298 INFO L93 Difference]: Finished difference Result 5322 states and 8677 transitions. [2022-11-19 07:09:15,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:09:15,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 07:09:15,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:15,345 INFO L225 Difference]: With dead ends: 5322 [2022-11-19 07:09:15,345 INFO L226 Difference]: Without dead ends: 5319 [2022-11-19 07:09:15,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 07:09:15,353 INFO L413 NwaCegarLoop]: 8568 mSDtfsCounter, 8561 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8561 SdHoareTripleChecker+Valid, 8568 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:15,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8561 Valid, 8568 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:09:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2022-11-19 07:09:16,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 5319. [2022-11-19 07:09:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5319 states, 3989 states have (on average 1.5357232389069941) internal successors, (6126), 3996 states have internal predecessors, (6126), 1277 states have call successors, (1277), 54 states have call predecessors, (1277), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-19 07:09:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 8674 transitions. [2022-11-19 07:09:16,346 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 8674 transitions. Word has length 11 [2022-11-19 07:09:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:16,346 INFO L495 AbstractCegarLoop]: Abstraction has 5319 states and 8674 transitions. [2022-11-19 07:09:16,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 8674 transitions. [2022-11-19 07:09:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:09:16,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:16,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:16,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:16,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:16,562 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:16,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1002099726, now seen corresponding path program 1 times [2022-11-19 07:09:16,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:09:16,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768232396] [2022-11-19 07:09:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:16,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:16,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:09:16,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:09:16,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 07:09:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:23,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 5117 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:09:23,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:09:23,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:23,564 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:09:23,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768232396] [2022-11-19 07:09:23,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768232396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:23,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:23,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:09:23,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353269983] [2022-11-19 07:09:23,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:23,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:09:23,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:09:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:09:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:09:23,566 INFO L87 Difference]: Start difference. First operand 5319 states and 8674 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:24,270 INFO L93 Difference]: Finished difference Result 5321 states and 8675 transitions. [2022-11-19 07:09:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:09:24,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-19 07:09:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:24,315 INFO L225 Difference]: With dead ends: 5321 [2022-11-19 07:09:24,316 INFO L226 Difference]: Without dead ends: 5318 [2022-11-19 07:09:24,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 07:09:24,323 INFO L413 NwaCegarLoop]: 8566 mSDtfsCounter, 8558 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8558 SdHoareTripleChecker+Valid, 8566 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:24,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8558 Valid, 8566 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:09:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2022-11-19 07:09:25,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5318. [2022-11-19 07:09:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5318 states, 3989 states have (on average 1.5354725495111556) internal successors, (6125), 3995 states have internal predecessors, (6125), 1276 states have call successors, (1276), 54 states have call predecessors, (1276), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-19 07:09:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 8672 transitions. [2022-11-19 07:09:25,354 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 8672 transitions. Word has length 12 [2022-11-19 07:09:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:25,354 INFO L495 AbstractCegarLoop]: Abstraction has 5318 states and 8672 transitions. [2022-11-19 07:09:25,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 8672 transitions. [2022-11-19 07:09:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:09:25,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:25,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:25,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:25,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:25,572 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash 997843077, now seen corresponding path program 1 times [2022-11-19 07:09:25,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:09:25,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462548985] [2022-11-19 07:09:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:25,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:25,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:09:25,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:09:25,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 07:09:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:32,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 5118 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:09:32,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:09:32,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:32,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:09:32,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462548985] [2022-11-19 07:09:32,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462548985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:32,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:32,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:09:32,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312385546] [2022-11-19 07:09:32,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:32,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:09:32,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:09:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:09:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:09:32,694 INFO L87 Difference]: Start difference. First operand 5318 states and 8672 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:33,940 INFO L93 Difference]: Finished difference Result 15932 states and 26122 transitions. [2022-11-19 07:09:33,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:09:33,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 07:09:33,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:34,025 INFO L225 Difference]: With dead ends: 15932 [2022-11-19 07:09:34,025 INFO L226 Difference]: Without dead ends: 10611 [2022-11-19 07:09:34,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 07:09:34,075 INFO L413 NwaCegarLoop]: 9943 mSDtfsCounter, 8586 mSDsluCounter, 8588 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8586 SdHoareTripleChecker+Valid, 18531 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:34,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8586 Valid, 18531 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:09:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10611 states. [2022-11-19 07:09:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10611 to 10602. [2022-11-19 07:09:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10602 states, 7955 states have (on average 1.5366436203645506) internal successors, (12224), 7966 states have internal predecessors, (12224), 2544 states have call successors, (2544), 105 states have call predecessors, (2544), 102 states have return successors, (2617), 2534 states have call predecessors, (2617), 2537 states have call successors, (2617) [2022-11-19 07:09:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10602 states to 10602 states and 17385 transitions. [2022-11-19 07:09:36,299 INFO L78 Accepts]: Start accepts. Automaton has 10602 states and 17385 transitions. Word has length 13 [2022-11-19 07:09:36,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:36,299 INFO L495 AbstractCegarLoop]: Abstraction has 10602 states and 17385 transitions. [2022-11-19 07:09:36,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 10602 states and 17385 transitions. [2022-11-19 07:09:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 07:09:36,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:36,310 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:09:36,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:36,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:36,526 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:36,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:36,526 INFO L85 PathProgramCache]: Analyzing trace with hash 443855695, now seen corresponding path program 1 times [2022-11-19 07:09:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:09:36,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640338170] [2022-11-19 07:09:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:36,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:36,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:09:36,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:09:36,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-19 07:09:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:44,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 5601 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:09:44,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:09:44,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:44,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:09:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640338170] [2022-11-19 07:09:44,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640338170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:44,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:44,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:09:44,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565387097] [2022-11-19 07:09:44,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:44,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:09:44,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:09:44,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:09:44,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:09:44,335 INFO L87 Difference]: Start difference. First operand 10602 states and 17385 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:09:45,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:45,716 INFO L93 Difference]: Finished difference Result 21308 states and 35024 transitions. [2022-11-19 07:09:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:09:45,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2022-11-19 07:09:45,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:45,796 INFO L225 Difference]: With dead ends: 21308 [2022-11-19 07:09:45,796 INFO L226 Difference]: Without dead ends: 10709 [2022-11-19 07:09:45,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:09:45,945 INFO L413 NwaCegarLoop]: 8562 mSDtfsCounter, 139 mSDsluCounter, 17073 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 25635 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:45,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 25635 Invalid, 98 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [31 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:09:45,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2022-11-19 07:09:48,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 10707. [2022-11-19 07:09:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10707 states, 8043 states have (on average 1.536615690662688) internal successors, (12359), 8054 states have internal predecessors, (12359), 2559 states have call successors, (2559), 107 states have call predecessors, (2559), 104 states have return successors, (2632), 2549 states have call predecessors, (2632), 2552 states have call successors, (2632) [2022-11-19 07:09:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10707 states to 10707 states and 17550 transitions. [2022-11-19 07:09:48,110 INFO L78 Accepts]: Start accepts. Automaton has 10707 states and 17550 transitions. Word has length 68 [2022-11-19 07:09:48,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:48,111 INFO L495 AbstractCegarLoop]: Abstraction has 10707 states and 17550 transitions. [2022-11-19 07:09:48,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:09:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 10707 states and 17550 transitions. [2022-11-19 07:09:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-19 07:09:48,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:48,117 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:48,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:48,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:48,342 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:09:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash 474384810, now seen corresponding path program 1 times [2022-11-19 07:09:48,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:09:48,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868922870] [2022-11-19 07:09:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:48,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:09:48,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:09:48,353 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:09:48,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-19 07:09:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:56,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 5602 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:09:56,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:57,137 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:09:57,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:09:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:09:57,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:57,177 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:09:57,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868922870] [2022-11-19 07:09:57,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868922870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:57,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:57,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:09:57,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884065577] [2022-11-19 07:09:57,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:57,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:09:57,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:09:57,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:09:57,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:09:57,179 INFO L87 Difference]: Start difference. First operand 10707 states and 17550 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:09:59,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:02,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:04,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:06,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:18,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:25,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:29,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:29,661 INFO L93 Difference]: Finished difference Result 21577 states and 35391 transitions. [2022-11-19 07:10:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:10:29,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-11-19 07:10:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:29,740 INFO L225 Difference]: With dead ends: 21577 [2022-11-19 07:10:29,740 INFO L226 Difference]: Without dead ends: 10873 [2022-11-19 07:10:29,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:10:29,817 INFO L413 NwaCegarLoop]: 8593 mSDtfsCounter, 193 mSDsluCounter, 15683 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 24276 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:29,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 24276 Invalid, 1556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1548 Invalid, 4 Unknown, 0 Unchecked, 31.6s Time] [2022-11-19 07:10:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10873 states. [2022-11-19 07:10:32,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10873 to 10820. [2022-11-19 07:10:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10820 states, 8120 states have (on average 1.535344827586207) internal successors, (12467), 8143 states have internal predecessors, (12467), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 114 states have return successors, (2666), 2560 states have call predecessors, (2666), 2578 states have call successors, (2666) [2022-11-19 07:10:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10820 states to 10820 states and 17718 transitions. [2022-11-19 07:10:32,115 INFO L78 Accepts]: Start accepts. Automaton has 10820 states and 17718 transitions. Word has length 71 [2022-11-19 07:10:32,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:32,115 INFO L495 AbstractCegarLoop]: Abstraction has 10820 states and 17718 transitions. [2022-11-19 07:10:32,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:10:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 10820 states and 17718 transitions. [2022-11-19 07:10:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-19 07:10:32,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:32,123 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:10:32,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-19 07:10:32,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:10:32,346 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:32,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:32,346 INFO L85 PathProgramCache]: Analyzing trace with hash 666406944, now seen corresponding path program 1 times [2022-11-19 07:10:32,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:10:32,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458675719] [2022-11-19 07:10:32,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:32,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:10:32,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:10:32,352 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:10:32,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-19 07:10:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:41,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 5681 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 07:10:41,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:10:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:10:41,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:10:41,270 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:10:41,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458675719] [2022-11-19 07:10:41,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458675719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:41,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:41,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:10:41,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680992551] [2022-11-19 07:10:41,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:41,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:10:41,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:10:41,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:10:41,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:10:41,273 INFO L87 Difference]: Start difference. First operand 10820 states and 17718 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 07:10:43,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:44,263 INFO L93 Difference]: Finished difference Result 21530 states and 37089 transitions. [2022-11-19 07:10:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:10:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2022-11-19 07:10:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:44,345 INFO L225 Difference]: With dead ends: 21530 [2022-11-19 07:10:44,345 INFO L226 Difference]: Without dead ends: 10824 [2022-11-19 07:10:44,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 07:10:44,493 INFO L413 NwaCegarLoop]: 8566 mSDtfsCounter, 0 mSDsluCounter, 8562 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17128 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:44,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-19 07:10:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10824 states. [2022-11-19 07:10:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10824 to 10824. [2022-11-19 07:10:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10824 states, 8124 states have (on average 1.5350812407680945) internal successors, (12471), 8147 states have internal predecessors, (12471), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 114 states have return successors, (2666), 2560 states have call predecessors, (2666), 2578 states have call successors, (2666) [2022-11-19 07:10:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10824 states to 10824 states and 17722 transitions. [2022-11-19 07:10:46,780 INFO L78 Accepts]: Start accepts. Automaton has 10824 states and 17722 transitions. Word has length 92 [2022-11-19 07:10:46,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:46,781 INFO L495 AbstractCegarLoop]: Abstraction has 10824 states and 17722 transitions. [2022-11-19 07:10:46,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 07:10:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 10824 states and 17722 transitions. [2022-11-19 07:10:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-19 07:10:46,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:46,787 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:10:46,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-19 07:10:47,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:10:47,002 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 537978311, now seen corresponding path program 1 times [2022-11-19 07:10:47,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:10:47,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118527544] [2022-11-19 07:10:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:47,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:10:47,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:10:47,016 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:10:47,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 07:10:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:56,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 5745 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 07:10:56,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:10:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:10:56,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:10:56,256 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:10:56,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118527544] [2022-11-19 07:10:56,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118527544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:56,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:56,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:10:56,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696231741] [2022-11-19 07:10:56,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:56,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:10:56,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:10:56,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:10:56,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:10:56,258 INFO L87 Difference]: Start difference. First operand 10824 states and 17722 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:10:58,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:59,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:01,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:02,172 INFO L93 Difference]: Finished difference Result 21538 states and 37097 transitions. [2022-11-19 07:11:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:11:02,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2022-11-19 07:11:02,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:02,267 INFO L225 Difference]: With dead ends: 21538 [2022-11-19 07:11:02,268 INFO L226 Difference]: Without dead ends: 10828 [2022-11-19 07:11:02,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:11:02,419 INFO L413 NwaCegarLoop]: 8563 mSDtfsCounter, 38 mSDsluCounter, 8560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 17123 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:02,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 17123 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-19 07:11:02,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10828 states. [2022-11-19 07:11:04,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10828 to 10828. [2022-11-19 07:11:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10828 states, 8128 states have (on average 1.5348179133858268) internal successors, (12475), 8151 states have internal predecessors, (12475), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 114 states have return successors, (2666), 2560 states have call predecessors, (2666), 2578 states have call successors, (2666) [2022-11-19 07:11:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10828 states to 10828 states and 17726 transitions. [2022-11-19 07:11:04,590 INFO L78 Accepts]: Start accepts. Automaton has 10828 states and 17726 transitions. Word has length 78 [2022-11-19 07:11:04,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:04,590 INFO L495 AbstractCegarLoop]: Abstraction has 10828 states and 17726 transitions. [2022-11-19 07:11:04,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:11:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 10828 states and 17726 transitions. [2022-11-19 07:11:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:11:04,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:04,597 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:11:04,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-11-19 07:11:04,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:11:04,810 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash -2102543710, now seen corresponding path program 1 times [2022-11-19 07:11:04,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:11:04,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229032074] [2022-11-19 07:11:04,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:04,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:11:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:11:04,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:11:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-19 07:11:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:14,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 5808 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:11:14,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:11:14,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:14,503 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:11:14,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229032074] [2022-11-19 07:11:14,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229032074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:14,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:14,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:11:14,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614030368] [2022-11-19 07:11:14,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:14,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:11:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:11:14,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:11:14,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:11:14,504 INFO L87 Difference]: Start difference. First operand 10828 states and 17726 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-19 07:11:16,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:21,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:21,613 INFO L93 Difference]: Finished difference Result 21584 states and 37193 transitions. [2022-11-19 07:11:21,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:11:21,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2022-11-19 07:11:21,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:21,692 INFO L225 Difference]: With dead ends: 21584 [2022-11-19 07:11:21,692 INFO L226 Difference]: Without dead ends: 10870 [2022-11-19 07:11:21,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:11:21,793 INFO L413 NwaCegarLoop]: 8576 mSDtfsCounter, 11 mSDsluCounter, 33503 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42079 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:21,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42079 Invalid, 807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-19 07:11:21,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10870 states. [2022-11-19 07:11:25,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10870 to 10844. [2022-11-19 07:11:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10844 states, 8141 states have (on average 1.53396388650043) internal successors, (12488), 8163 states have internal predecessors, (12488), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 117 states have return successors, (4218), 2564 states have call predecessors, (4218), 2578 states have call successors, (4218) [2022-11-19 07:11:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 19291 transitions. [2022-11-19 07:11:25,301 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 19291 transitions. Word has length 94 [2022-11-19 07:11:25,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:25,301 INFO L495 AbstractCegarLoop]: Abstraction has 10844 states and 19291 transitions. [2022-11-19 07:11:25,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-19 07:11:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 19291 transitions. [2022-11-19 07:11:25,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-19 07:11:25,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:25,307 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:25,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-19 07:11:25,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:11:25,522 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash -475326227, now seen corresponding path program 1 times [2022-11-19 07:11:25,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:11:25,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259388439] [2022-11-19 07:11:25,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:25,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:11:25,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:11:25,528 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:11:25,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-19 07:11:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:35,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 5758 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:11:35,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:11:35,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:35,342 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:11:35,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259388439] [2022-11-19 07:11:35,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259388439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:35,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:35,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:11:35,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569853624] [2022-11-19 07:11:35,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:35,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:11:35,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:11:35,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:11:35,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:11:35,344 INFO L87 Difference]: Start difference. First operand 10844 states and 19291 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-19 07:11:37,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:42,353 INFO L93 Difference]: Finished difference Result 21608 states and 38764 transitions. [2022-11-19 07:11:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:11:42,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2022-11-19 07:11:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:42,424 INFO L225 Difference]: With dead ends: 21608 [2022-11-19 07:11:42,424 INFO L226 Difference]: Without dead ends: 10878 [2022-11-19 07:11:42,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:11:42,499 INFO L413 NwaCegarLoop]: 8576 mSDtfsCounter, 11 mSDsluCounter, 33504 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42080 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:42,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42080 Invalid, 807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-19 07:11:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10878 states. [2022-11-19 07:11:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10878 to 10848. [2022-11-19 07:11:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10848 states, 8145 states have (on average 1.5337016574585636) internal successors, (12492), 8163 states have internal predecessors, (12492), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 117 states have return successors, (4218), 2568 states have call predecessors, (4218), 2578 states have call successors, (4218) [2022-11-19 07:11:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 10848 states and 19295 transitions. [2022-11-19 07:11:45,703 INFO L78 Accepts]: Start accepts. Automaton has 10848 states and 19295 transitions. Word has length 79 [2022-11-19 07:11:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:45,703 INFO L495 AbstractCegarLoop]: Abstraction has 10848 states and 19295 transitions. [2022-11-19 07:11:45,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-19 07:11:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 10848 states and 19295 transitions. [2022-11-19 07:11:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 07:11:45,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:45,707 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:45,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-19 07:11:45,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:11:45,908 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:45,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1938671566, now seen corresponding path program 1 times [2022-11-19 07:11:45,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:11:45,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440153349] [2022-11-19 07:11:45,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:45,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:11:45,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:11:45,914 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:11:45,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-19 07:11:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:54,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 5733 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:11:54,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:55,159 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:11:55,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:11:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:11:55,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:55,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:11:55,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440153349] [2022-11-19 07:11:55,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440153349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:55,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:55,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:11:55,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363634252] [2022-11-19 07:11:55,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:55,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:11:55,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:11:55,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:11:55,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:11:55,205 INFO L87 Difference]: Start difference. First operand 10848 states and 19295 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:11:58,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:00,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:02,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:04,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:17,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:24,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:29,310 INFO L93 Difference]: Finished difference Result 21654 states and 38568 transitions. [2022-11-19 07:12:29,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:12:29,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2022-11-19 07:12:29,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:29,388 INFO L225 Difference]: With dead ends: 21654 [2022-11-19 07:12:29,389 INFO L226 Difference]: Without dead ends: 10903 [2022-11-19 07:12:29,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:12:29,472 INFO L413 NwaCegarLoop]: 8594 mSDtfsCounter, 189 mSDsluCounter, 15684 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 24278 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:29,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 24278 Invalid, 1554 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1546 Invalid, 4 Unknown, 0 Unchecked, 33.1s Time] [2022-11-19 07:12:29,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10903 states. [2022-11-19 07:12:32,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10903 to 10850. [2022-11-19 07:12:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10850 states, 8147 states have (on average 1.5333251503620964) internal successors, (12492), 8165 states have internal predecessors, (12492), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 117 states have return successors, (4218), 2568 states have call predecessors, (4218), 2578 states have call successors, (4218) [2022-11-19 07:12:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 19295 transitions. [2022-11-19 07:12:32,837 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 19295 transitions. Word has length 75 [2022-11-19 07:12:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 10850 states and 19295 transitions. [2022-11-19 07:12:32,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:12:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 19295 transitions. [2022-11-19 07:12:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-19 07:12:32,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:32,841 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:12:32,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-19 07:12:33,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:12:33,042 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash 627048221, now seen corresponding path program 1 times [2022-11-19 07:12:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:12:33,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610128782] [2022-11-19 07:12:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:33,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:12:33,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:12:33,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:12:33,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-19 07:12:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:42,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 5800 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:12:42,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:12:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:12:42,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:12:42,762 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:12:42,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610128782] [2022-11-19 07:12:42,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610128782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:42,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:42,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:12:42,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180336264] [2022-11-19 07:12:42,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:42,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:12:42,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:12:42,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:12:42,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:12:42,764 INFO L87 Difference]: Start difference. First operand 10850 states and 19295 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 07:12:43,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:43,664 INFO L93 Difference]: Finished difference Result 11090 states and 19813 transitions. [2022-11-19 07:12:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:12:43,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 96 [2022-11-19 07:12:43,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:43,724 INFO L225 Difference]: With dead ends: 11090 [2022-11-19 07:12:43,724 INFO L226 Difference]: Without dead ends: 11083 [2022-11-19 07:12:43,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:12:43,733 INFO L413 NwaCegarLoop]: 8596 mSDtfsCounter, 131 mSDsluCounter, 25721 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 34317 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:43,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 34317 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:12:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11083 states. [2022-11-19 07:12:46,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11083 to 10856. [2022-11-19 07:12:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10856 states, 8152 states have (on average 1.5329980372914622) internal successors, (12497), 8169 states have internal predecessors, (12497), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 118 states have return successors, (4244), 2570 states have call predecessors, (4244), 2578 states have call successors, (4244) [2022-11-19 07:12:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10856 states to 10856 states and 19326 transitions. [2022-11-19 07:12:46,867 INFO L78 Accepts]: Start accepts. Automaton has 10856 states and 19326 transitions. Word has length 96 [2022-11-19 07:12:46,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:46,867 INFO L495 AbstractCegarLoop]: Abstraction has 10856 states and 19326 transitions. [2022-11-19 07:12:46,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 07:12:46,868 INFO L276 IsEmpty]: Start isEmpty. Operand 10856 states and 19326 transitions. [2022-11-19 07:12:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-19 07:12:46,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:46,871 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:12:46,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-19 07:12:47,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:12:47,090 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:47,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1035035959, now seen corresponding path program 1 times [2022-11-19 07:12:47,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:12:47,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126839109] [2022-11-19 07:12:47,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:47,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:12:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:12:47,098 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:12:47,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f8ecca-0309-4791-933c-6c1f841a5ef7/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process