./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 16:30:21,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:30:21,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:30:21,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:30:21,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:30:21,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:30:21,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:30:21,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:30:21,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:30:21,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:30:21,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:30:21,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:30:21,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:30:21,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:30:21,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:30:21,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:30:21,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:30:21,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:30:21,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:30:21,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:30:21,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:30:21,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:30:21,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:30:21,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:30:21,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:30:21,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:30:21,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:30:21,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:30:21,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:30:21,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:30:21,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:30:21,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:30:21,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:30:21,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:30:21,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:30:21,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:30:21,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:30:21,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:30:21,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:30:21,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:30:21,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:30:21,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 16:30:21,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:30:21,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:30:21,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:30:21,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:30:21,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:30:21,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:30:21,425 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:30:21,426 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:30:21,426 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:30:21,426 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:30:21,426 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:30:21,427 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:30:21,427 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:30:21,427 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:30:21,428 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:30:21,428 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:30:21,428 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:30:21,428 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:30:21,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:30:21,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:30:21,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:30:21,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:30:21,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:30:21,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:30:21,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:30:21,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:30:21,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:30:21,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:30:21,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:30:21,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:30:21,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:30:21,433 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:30:21,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:30:21,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:30:21,434 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:30:21,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:30:21,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:30:21,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:30:21,435 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 [2022-11-16 16:30:21,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:30:21,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:30:21,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:30:21,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:30:21,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:30:21,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-16 16:30:21,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/68703daca/25692611bacb460ea4eb3e30ee5a654c/FLAGe5b4d4598 [2022-11-16 16:30:22,956 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:30:22,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-16 16:30:23,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/68703daca/25692611bacb460ea4eb3e30ee5a654c/FLAGe5b4d4598 [2022-11-16 16:30:23,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/68703daca/25692611bacb460ea4eb3e30ee5a654c [2022-11-16 16:30:23,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:30:23,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:30:23,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:30:23,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:30:23,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:30:23,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:30:23" (1/1) ... [2022-11-16 16:30:23,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1064c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:23, skipping insertion in model container [2022-11-16 16:30:23,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:30:23" (1/1) ... [2022-11-16 16:30:23,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:30:23,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:30:25,536 WARN L229 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-16 16:30:25,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:30:25,788 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:30:26,532 WARN L229 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-16 16:30:26,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:30:26,635 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:30:26,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26 WrapperNode [2022-11-16 16:30:26,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:30:26,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:30:26,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:30:26,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:30:26,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:26,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,359 INFO L138 Inliner]: procedures = 189, calls = 7161, calls flagged for inlining = 69, calls inlined = 54, statements flattened = 17693 [2022-11-16 16:30:27,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:30:27,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:30:27,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:30:27,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:30:27,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:27,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:28,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:30:28,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:30:28,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:30:28,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:30:28,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (1/1) ... [2022-11-16 16:30:28,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:30:28,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:30:28,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:30:28,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:30:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock [2022-11-16 16:30:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock [2022-11-16 16:30:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-16 16:30:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-16 16:30:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-16 16:30:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-16 16:30:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 16:30:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 16:30:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 16:30:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-16 16:30:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-16 16:30:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock [2022-11-16 16:30:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock [2022-11-16 16:30:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-16 16:30:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-16 16:30:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 16:30:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 16:30:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-16 16:30:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-16 16:30:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:30:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-16 16:30:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-16 16:30:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-16 16:30:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-16 16:30:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-16 16:30:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-16 16:30:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 16:30:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 16:30:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-16 16:30:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-16 16:30:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-16 16:30:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-16 16:30:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:30:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 16:30:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 16:30:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-16 16:30:28,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-16 16:30:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 16:30:28,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 16:30:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-16 16:30:28,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-16 16:30:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-16 16:30:28,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-16 16:30:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-16 16:30:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-16 16:30:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-16 16:30:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-16 16:30:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 16:30:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 16:30:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 16:30:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 16:30:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-16 16:30:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-16 16:30:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 16:30:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 16:30:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 16:30:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 16:30:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-16 16:30:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-16 16:30:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:30:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:30:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 16:30:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-16 16:30:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-16 16:30:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-16 16:30:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-16 16:30:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-16 16:30:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-16 16:30:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 16:30:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 16:30:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 16:30:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-16 16:30:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-16 16:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-16 16:30:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-16 16:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-16 16:30:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-16 16:30:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-16 16:30:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-16 16:30:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-16 16:30:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-16 16:30:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:30:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 16:30:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-16 16:30:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-16 16:30:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-16 16:30:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-16 16:30:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-16 16:30:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-16 16:30:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-16 16:30:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-16 16:30:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 16:30:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 16:30:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-16 16:30:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-16 16:30:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-16 16:30:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-16 16:30:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:30:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-16 16:30:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-16 16:30:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock [2022-11-16 16:30:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock [2022-11-16 16:30:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-16 16:30:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-16 16:30:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 16:30:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-16 16:30:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-16 16:30:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:30:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:30:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-16 16:30:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-16 16:30:29,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:30:29,766 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:30:45,173 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:31:01,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:31:01,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 16:31:01,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:31:01 BoogieIcfgContainer [2022-11-16 16:31:01,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:31:01,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:31:01,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:31:01,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:31:01,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:30:23" (1/3) ... [2022-11-16 16:31:01,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b39378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:31:01, skipping insertion in model container [2022-11-16 16:31:01,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:30:26" (2/3) ... [2022-11-16 16:31:01,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b39378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:31:01, skipping insertion in model container [2022-11-16 16:31:01,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:31:01" (3/3) ... [2022-11-16 16:31:01,240 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-16 16:31:01,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:31:01,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:31:01,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:31:01,415 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;@18c0dd24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:31:01,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:31:01,433 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) [2022-11-16 16:31:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 16:31:01,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:01,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 16:31:01,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:01,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:01,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1039473977, now seen corresponding path program 1 times [2022-11-16 16:31:01,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:01,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932804113] [2022-11-16 16:31:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:31:02,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:02,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932804113] [2022-11-16 16:31:02,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932804113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:02,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:02,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:31:02,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852673154] [2022-11-16 16:31:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:02,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:31:02,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:02,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:31:02,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:31:02,893 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) [2022-11-16 16:31:04,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:31:06,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:31:09,351 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 [] [2022-11-16 16:31:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:11,411 INFO L93 Difference]: Finished difference Result 11270 states and 18067 transitions. [2022-11-16 16:31:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:31:11,414 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 [2022-11-16 16:31:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:11,490 INFO L225 Difference]: With dead ends: 11270 [2022-11-16 16:31:11,490 INFO L226 Difference]: Without dead ends: 7113 [2022-11-16 16:31:11,545 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 [2022-11-16 16:31:11,549 INFO L413 NwaCegarLoop]: 7203 mSDtfsCounter, 6273 mSDsluCounter, 4831 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6275 SdHoareTripleChecker+Valid, 12034 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:31:11,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6275 Valid, 12034 Invalid, 556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-16 16:31:11,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7113 states. [2022-11-16 16:31:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7113 to 7097. [2022-11-16 16:31:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7097 states, 4847 states have (on average 1.441510212502579) internal successors, (6987), 4864 states have internal predecessors, (6987), 2166 states have call successors, (2166), 84 states have call predecessors, (2166), 83 states have return successors, (2157), 2151 states have call predecessors, (2157), 2157 states have call successors, (2157) [2022-11-16 16:31:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7097 states to 7097 states and 11310 transitions. [2022-11-16 16:31:13,006 INFO L78 Accepts]: Start accepts. Automaton has 7097 states and 11310 transitions. Word has length 6 [2022-11-16 16:31:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:13,006 INFO L495 AbstractCegarLoop]: Abstraction has 7097 states and 11310 transitions. [2022-11-16 16:31:13,007 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) [2022-11-16 16:31:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7097 states and 11310 transitions. [2022-11-16 16:31:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 16:31:13,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:13,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:31:13,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:31:13,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:13,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:13,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2133575332, now seen corresponding path program 1 times [2022-11-16 16:31:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:13,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469695665] [2022-11-16 16:31:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:31:13,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:13,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469695665] [2022-11-16 16:31:13,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469695665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:13,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:13,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:31:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422204432] [2022-11-16 16:31:13,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:13,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:31:13,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:13,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:31:13,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:31:13,710 INFO L87 Difference]: Start difference. First operand 7097 states and 11310 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) [2022-11-16 16:31:15,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:31:17,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:31:18,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:18,046 INFO L93 Difference]: Finished difference Result 14248 states and 22690 transitions. [2022-11-16 16:31:18,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:31:18,047 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 [2022-11-16 16:31:18,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:18,104 INFO L225 Difference]: With dead ends: 14248 [2022-11-16 16:31:18,104 INFO L226 Difference]: Without dead ends: 7152 [2022-11-16 16:31:18,157 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 [2022-11-16 16:31:18,159 INFO L413 NwaCegarLoop]: 6284 mSDtfsCounter, 6406 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:31:18,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6406 Valid, 6488 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 16:31:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7152 states. [2022-11-16 16:31:19,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7152 to 7149. [2022-11-16 16:31:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7149 states, 4882 states have (on average 1.439778779188857) internal successors, (7029), 4897 states have internal predecessors, (7029), 2173 states have call successors, (2173), 95 states have call predecessors, (2173), 93 states have return successors, (2165), 2159 states have call predecessors, (2165), 2165 states have call successors, (2165) [2022-11-16 16:31:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7149 states to 7149 states and 11367 transitions. [2022-11-16 16:31:19,655 INFO L78 Accepts]: Start accepts. Automaton has 7149 states and 11367 transitions. Word has length 7 [2022-11-16 16:31:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:19,656 INFO L495 AbstractCegarLoop]: Abstraction has 7149 states and 11367 transitions. [2022-11-16 16:31:19,661 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) [2022-11-16 16:31:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7149 states and 11367 transitions. [2022-11-16 16:31:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:31:19,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:19,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:31:19,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:31:19,663 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:19,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1713860970, now seen corresponding path program 1 times [2022-11-16 16:31:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:19,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283440082] [2022-11-16 16:31:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:31:20,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:20,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283440082] [2022-11-16 16:31:20,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283440082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:20,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:20,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:31:20,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578864729] [2022-11-16 16:31:20,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:20,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:31:20,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:20,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:31:20,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:31:20,324 INFO L87 Difference]: Start difference. First operand 7149 states and 11367 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) [2022-11-16 16:31:24,077 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 [] [2022-11-16 16:31:26,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:26,438 INFO L93 Difference]: Finished difference Result 8419 states and 13321 transitions. [2022-11-16 16:31:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:31:26,439 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 [2022-11-16 16:31:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:26,499 INFO L225 Difference]: With dead ends: 8419 [2022-11-16 16:31:26,500 INFO L226 Difference]: Without dead ends: 8416 [2022-11-16 16:31:26,509 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 [2022-11-16 16:31:26,510 INFO L413 NwaCegarLoop]: 6672 mSDtfsCounter, 6335 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6337 SdHoareTripleChecker+Valid, 8754 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-16 16:31:26,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6337 Valid, 8754 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-16 16:31:26,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8416 states. [2022-11-16 16:31:27,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8416 to 8403. [2022-11-16 16:31:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8403 states, 5743 states have (on average 1.4339195542399443) internal successors, (8235), 5762 states have internal predecessors, (8235), 2538 states have call successors, (2538), 123 states have call predecessors, (2538), 121 states have return successors, (2531), 2521 states have call predecessors, (2531), 2531 states have call successors, (2531) [2022-11-16 16:31:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8403 states to 8403 states and 13304 transitions. [2022-11-16 16:31:28,042 INFO L78 Accepts]: Start accepts. Automaton has 8403 states and 13304 transitions. Word has length 8 [2022-11-16 16:31:28,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:28,043 INFO L495 AbstractCegarLoop]: Abstraction has 8403 states and 13304 transitions. [2022-11-16 16:31:28,043 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) [2022-11-16 16:31:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 8403 states and 13304 transitions. [2022-11-16 16:31:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 16:31:28,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:28,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:31:28,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:31:28,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:28,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:28,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1587622503, now seen corresponding path program 1 times [2022-11-16 16:31:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:28,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495028667] [2022-11-16 16:31:28,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:28,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:31:28,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:28,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495028667] [2022-11-16 16:31:28,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495028667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:28,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:28,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:31:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812450783] [2022-11-16 16:31:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:28,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:31:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:31:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:31:28,613 INFO L87 Difference]: Start difference. First operand 8403 states and 13304 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) [2022-11-16 16:31:32,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:32,213 INFO L93 Difference]: Finished difference Result 8405 states and 13305 transitions. [2022-11-16 16:31:32,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:31:32,214 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 [2022-11-16 16:31:32,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:32,279 INFO L225 Difference]: With dead ends: 8405 [2022-11-16 16:31:32,280 INFO L226 Difference]: Without dead ends: 8402 [2022-11-16 16:31:32,291 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 [2022-11-16 16:31:32,292 INFO L413 NwaCegarLoop]: 6275 mSDtfsCounter, 6605 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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 [2022-11-16 16:31:32,292 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] [2022-11-16 16:31:32,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8402 states. [2022-11-16 16:31:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8402 to 8402. [2022-11-16 16:31:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8402 states, 5743 states have (on average 1.4337454292181786) internal successors, (8234), 5761 states have internal predecessors, (8234), 2537 states have call successors, (2537), 123 states have call predecessors, (2537), 121 states have return successors, (2531), 2521 states have call predecessors, (2531), 2531 states have call successors, (2531) [2022-11-16 16:31:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8402 states to 8402 states and 13302 transitions. [2022-11-16 16:31:33,722 INFO L78 Accepts]: Start accepts. Automaton has 8402 states and 13302 transitions. Word has length 9 [2022-11-16 16:31:33,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:33,723 INFO L495 AbstractCegarLoop]: Abstraction has 8402 states and 13302 transitions. [2022-11-16 16:31:33,723 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) [2022-11-16 16:31:33,723 INFO L276 IsEmpty]: Start isEmpty. Operand 8402 states and 13302 transitions. [2022-11-16 16:31:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:31:33,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:33,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:31:33,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 16:31:33,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:33,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:33,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1969202189, now seen corresponding path program 1 times [2022-11-16 16:31:33,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:33,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350402416] [2022-11-16 16:31:33,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:33,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:31:34,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:34,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350402416] [2022-11-16 16:31:34,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350402416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:34,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:34,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:31:34,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969456072] [2022-11-16 16:31:34,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:34,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:31:34,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:34,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:31:34,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:31:34,372 INFO L87 Difference]: Start difference. First operand 8402 states and 13302 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) [2022-11-16 16:31:36,333 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 [] [2022-11-16 16:31:37,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:37,650 INFO L93 Difference]: Finished difference Result 8404 states and 13303 transitions. [2022-11-16 16:31:37,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:31:37,651 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 [2022-11-16 16:31:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:37,684 INFO L225 Difference]: With dead ends: 8404 [2022-11-16 16:31:37,684 INFO L226 Difference]: Without dead ends: 8401 [2022-11-16 16:31:37,694 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 [2022-11-16 16:31:37,695 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 6602 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:31:37,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6602 Valid, 6273 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 16:31:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8401 states. [2022-11-16 16:31:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8401 to 8401. [2022-11-16 16:31:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8401 states, 5743 states have (on average 1.433571304196413) internal successors, (8233), 5760 states have internal predecessors, (8233), 2536 states have call successors, (2536), 123 states have call predecessors, (2536), 121 states have return successors, (2531), 2521 states have call predecessors, (2531), 2531 states have call successors, (2531) [2022-11-16 16:31:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8401 states to 8401 states and 13300 transitions. [2022-11-16 16:31:39,165 INFO L78 Accepts]: Start accepts. Automaton has 8401 states and 13300 transitions. Word has length 10 [2022-11-16 16:31:39,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:39,165 INFO L495 AbstractCegarLoop]: Abstraction has 8401 states and 13300 transitions. [2022-11-16 16:31:39,165 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) [2022-11-16 16:31:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 8401 states and 13300 transitions. [2022-11-16 16:31:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 16:31:39,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:39,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:31:39,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 16:31:39,167 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash 913275434, now seen corresponding path program 1 times [2022-11-16 16:31:39,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:39,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315178715] [2022-11-16 16:31:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:39,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:31:39,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:39,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315178715] [2022-11-16 16:31:39,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315178715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:39,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:39,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:31:39,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564397080] [2022-11-16 16:31:39,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:39,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:31:39,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:39,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:31:39,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:31:39,707 INFO L87 Difference]: Start difference. First operand 8401 states and 13300 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) [2022-11-16 16:31:46,417 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 [] [2022-11-16 16:31:47,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:47,641 INFO L93 Difference]: Finished difference Result 25164 states and 40081 transitions. [2022-11-16 16:31:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:31:47,645 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 [2022-11-16 16:31:47,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:47,741 INFO L225 Difference]: With dead ends: 25164 [2022-11-16 16:31:47,741 INFO L226 Difference]: Without dead ends: 16758 [2022-11-16 16:31:47,816 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 [2022-11-16 16:31:47,817 INFO L413 NwaCegarLoop]: 7627 mSDtfsCounter, 6631 mSDsluCounter, 6301 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6631 SdHoareTripleChecker+Valid, 13928 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:31:47,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6631 Valid, 13928 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 679 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-16 16:31:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16758 states. [2022-11-16 16:31:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16758 to 16741. [2022-11-16 16:31:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16741 states, 11451 states have (on average 1.4342852152650423) internal successors, (16424), 11484 states have internal predecessors, (16424), 5054 states have call successors, (5054), 238 states have call predecessors, (5054), 235 states have return successors, (5189), 5026 states have call predecessors, (5189), 5047 states have call successors, (5189) [2022-11-16 16:31:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16741 states to 16741 states and 26667 transitions. [2022-11-16 16:31:50,647 INFO L78 Accepts]: Start accepts. Automaton has 16741 states and 26667 transitions. Word has length 11 [2022-11-16 16:31:50,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:50,648 INFO L495 AbstractCegarLoop]: Abstraction has 16741 states and 26667 transitions. [2022-11-16 16:31:50,648 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) [2022-11-16 16:31:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 16741 states and 26667 transitions. [2022-11-16 16:31:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 16:31:50,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:50,662 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] [2022-11-16 16:31:50,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 16:31:50,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:50,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:50,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1401205495, now seen corresponding path program 1 times [2022-11-16 16:31:50,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:50,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515157535] [2022-11-16 16:31:50,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:31:53,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:53,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515157535] [2022-11-16 16:31:53,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515157535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:31:53,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:31:53,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 16:31:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426541254] [2022-11-16 16:31:53,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:31:53,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:31:53,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:31:53,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:31:53,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:31:53,133 INFO L87 Difference]: Start difference. First operand 16741 states and 26667 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) [2022-11-16 16:31:56,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:31:57,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:00,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:32:03,793 INFO L93 Difference]: Finished difference Result 33789 states and 54171 transitions. [2022-11-16 16:32:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:32:03,794 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 [2022-11-16 16:32:03,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:32:03,894 INFO L225 Difference]: With dead ends: 33789 [2022-11-16 16:32:03,894 INFO L226 Difference]: Without dead ends: 17049 [2022-11-16 16:32:04,029 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 [2022-11-16 16:32:04,030 INFO L413 NwaCegarLoop]: 6251 mSDtfsCounter, 161 mSDsluCounter, 18600 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 24851 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-16 16:32:04,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 24851 Invalid, 1536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-16 16:32:04,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17049 states. [2022-11-16 16:32:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17049 to 17011. [2022-11-16 16:32:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17011 states, 11652 states have (on average 1.4303982148987298) internal successors, (16667), 11688 states have internal predecessors, (16667), 5114 states have call successors, (5114), 244 states have call predecessors, (5114), 244 states have return successors, (5287), 5086 states have call predecessors, (5287), 5107 states have call successors, (5287) [2022-11-16 16:32:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17011 states to 17011 states and 27068 transitions. [2022-11-16 16:32:07,053 INFO L78 Accepts]: Start accepts. Automaton has 17011 states and 27068 transitions. Word has length 53 [2022-11-16 16:32:07,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:32:07,053 INFO L495 AbstractCegarLoop]: Abstraction has 17011 states and 27068 transitions. [2022-11-16 16:32:07,054 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) [2022-11-16 16:32:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 17011 states and 27068 transitions. [2022-11-16 16:32:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-16 16:32:07,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:32:07,062 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] [2022-11-16 16:32:07,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 16:32:07,063 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:32:07,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:32:07,063 INFO L85 PathProgramCache]: Analyzing trace with hash -469621925, now seen corresponding path program 1 times [2022-11-16 16:32:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:32:07,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138112450] [2022-11-16 16:32:07,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:32:07,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:32:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:32:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:32:08,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:32:08,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138112450] [2022-11-16 16:32:08,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138112450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:32:08,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:32:08,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:32:08,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687088981] [2022-11-16 16:32:08,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:32:08,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:32:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:32:08,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:32:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:32:08,126 INFO L87 Difference]: Start difference. First operand 17011 states and 27068 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) [2022-11-16 16:32:10,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:12,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:15,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:32:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:32:16,227 INFO L93 Difference]: Finished difference Result 17014 states and 27070 transitions. [2022-11-16 16:32:16,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:32:16,228 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 [2022-11-16 16:32:16,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:32:16,316 INFO L225 Difference]: With dead ends: 17014 [2022-11-16 16:32:16,317 INFO L226 Difference]: Without dead ends: 17011 [2022-11-16 16:32:16,330 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 [2022-11-16 16:32:16,330 INFO L413 NwaCegarLoop]: 6285 mSDtfsCounter, 224 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 12377 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:32:16,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 12377 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 652 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-16 16:32:16,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17011 states. [2022-11-16 16:32:19,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17011 to 17011. [2022-11-16 16:32:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17011 states, 11652 states have (on average 1.4300549261929283) internal successors, (16663), 11688 states have internal predecessors, (16663), 5114 states have call successors, (5114), 244 states have call predecessors, (5114), 244 states have return successors, (5287), 5086 states have call predecessors, (5287), 5107 states have call successors, (5287) [2022-11-16 16:32:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17011 states to 17011 states and 27064 transitions. [2022-11-16 16:32:19,148 INFO L78 Accepts]: Start accepts. Automaton has 17011 states and 27064 transitions. Word has length 54 [2022-11-16 16:32:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:32:19,149 INFO L495 AbstractCegarLoop]: Abstraction has 17011 states and 27064 transitions. [2022-11-16 16:32:19,149 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) [2022-11-16 16:32:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17011 states and 27064 transitions. [2022-11-16 16:32:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 16:32:19,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:32:19,153 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] [2022-11-16 16:32:19,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 16:32:19,154 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:32:19,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:32:19,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1298329261, now seen corresponding path program 1 times [2022-11-16 16:32:19,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:32:19,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113965669] [2022-11-16 16:32:19,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:32:19,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:32:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:32:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:32:25,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:32:25,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113965669] [2022-11-16 16:32:25,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113965669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:32:25,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:32:25,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:32:25,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773466788] [2022-11-16 16:32:25,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:32:25,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:32:25,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:32:25,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:32:25,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:32:25,763 INFO L87 Difference]: Start difference. First operand 17011 states and 27064 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) [2022-11-16 16:32:28,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:30,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:33,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:32:33,256 INFO L93 Difference]: Finished difference Result 34031 states and 57629 transitions. [2022-11-16 16:32:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:32:33,257 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 [2022-11-16 16:32:33,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:32:33,351 INFO L225 Difference]: With dead ends: 34031 [2022-11-16 16:32:33,352 INFO L226 Difference]: Without dead ends: 17021 [2022-11-16 16:32:33,536 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 [2022-11-16 16:32:33,539 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 0 mSDsluCounter, 6270 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s 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, 6.6s IncrementalHoareTripleChecker+Time [2022-11-16 16:32:33,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12543 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-16 16:32:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17021 states. [2022-11-16 16:32:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17021 to 17021. [2022-11-16 16:32:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17021 states, 11662 states have (on average 1.429686160178357) internal successors, (16673), 11698 states have internal predecessors, (16673), 5114 states have call successors, (5114), 244 states have call predecessors, (5114), 244 states have return successors, (5287), 5086 states have call predecessors, (5287), 5107 states have call successors, (5287) [2022-11-16 16:32:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17021 states to 17021 states and 27074 transitions. [2022-11-16 16:32:37,211 INFO L78 Accepts]: Start accepts. Automaton has 17021 states and 27074 transitions. Word has length 58 [2022-11-16 16:32:37,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:32:37,212 INFO L495 AbstractCegarLoop]: Abstraction has 17021 states and 27074 transitions. [2022-11-16 16:32:37,212 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) [2022-11-16 16:32:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 17021 states and 27074 transitions. [2022-11-16 16:32:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-16 16:32:37,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:32:37,217 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] [2022-11-16 16:32:37,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 16:32:37,218 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:32:37,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:32:37,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2028081286, now seen corresponding path program 1 times [2022-11-16 16:32:37,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:32:37,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762927794] [2022-11-16 16:32:37,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:32:37,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:32:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:32:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:32:42,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:32:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762927794] [2022-11-16 16:32:42,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762927794] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:32:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287808008] [2022-11-16 16:32:42,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:32:42,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:32:42,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:32:42,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:32:42,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:32:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:32:45,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 8480 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 16:32:45,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:32:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:32:45,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:32:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:32:45,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287808008] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 16:32:45,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:32:45,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-16 16:32:45,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243874558] [2022-11-16 16:32:45,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:32:45,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:32:45,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:32:45,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:32:45,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:32:45,952 INFO L87 Difference]: Start difference. First operand 17021 states and 27074 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) [2022-11-16 16:32:49,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:51,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:32:55,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:32:56,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:32:58,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:32:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:32:59,629 INFO L93 Difference]: Finished difference Result 34051 states and 57649 transitions. [2022-11-16 16:32:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:32:59,630 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 [2022-11-16 16:32:59,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:32:59,768 INFO L225 Difference]: With dead ends: 34051 [2022-11-16 16:32:59,768 INFO L226 Difference]: Without dead ends: 17031 [2022-11-16 16:32:59,951 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 [2022-11-16 16:32:59,952 INFO L413 NwaCegarLoop]: 6271 mSDtfsCounter, 11 mSDsluCounter, 12531 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18802 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:32:59,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18802 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1009 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2022-11-16 16:32:59,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17031 states. [2022-11-16 16:33:02,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17031 to 17031. [2022-11-16 16:33:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17031 states, 11672 states have (on average 1.4293180260452365) internal successors, (16683), 11708 states have internal predecessors, (16683), 5114 states have call successors, (5114), 244 states have call predecessors, (5114), 244 states have return successors, (5287), 5086 states have call predecessors, (5287), 5107 states have call successors, (5287) [2022-11-16 16:33:02,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17031 states to 17031 states and 27084 transitions. [2022-11-16 16:33:02,502 INFO L78 Accepts]: Start accepts. Automaton has 17031 states and 27084 transitions. Word has length 59 [2022-11-16 16:33:02,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:33:02,503 INFO L495 AbstractCegarLoop]: Abstraction has 17031 states and 27084 transitions. [2022-11-16 16:33:02,503 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) [2022-11-16 16:33:02,503 INFO L276 IsEmpty]: Start isEmpty. Operand 17031 states and 27084 transitions. [2022-11-16 16:33:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-16 16:33:02,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:33:02,508 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] [2022-11-16 16:33:02,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 16:33:02,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 16:33:02,735 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:33:02,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:33:02,736 INFO L85 PathProgramCache]: Analyzing trace with hash 68557265, now seen corresponding path program 1 times [2022-11-16 16:33:02,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:33:02,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318397453] [2022-11-16 16:33:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:33:02,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:36:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:36:24,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 16:37:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:37:49,914 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 16:37:49,914 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 16:37:49,916 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:37:49,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 16:37:49,923 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:37:49,928 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:37:49,991 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,992 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,995 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,995 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,997 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:49,997 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,997 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:49,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:49,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:49,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:49,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,001 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,001 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,002 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,002 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,002 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,002 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,003 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,003 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,003 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,003 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,004 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,004 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,004 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,005 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,005 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,005 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,005 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,006 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,006 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,006 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,006 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,007 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,007 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,007 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,008 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,008 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,008 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,008 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,009 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,009 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,009 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,009 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,010 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,010 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,011 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,011 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,011 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,011 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,012 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,012 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,012 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,012 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,013 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,013 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-16 16:37:50,013 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-16 16:37:50,014 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,014 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4496#1 : $Pointer$ not handled [2022-11-16 16:37:50,014 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-16 16:37:50,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:37:50 BoogieIcfgContainer [2022-11-16 16:37:50,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:37:50,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:37:50,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:37:50,192 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:37:50,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:31:01" (3/4) ... [2022-11-16 16:37:50,198 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 16:37:50,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:37:50,199 INFO L158 Benchmark]: Toolchain (without parser) took 446993.19ms. Allocated memory was 90.2MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 56.4MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2022-11-16 16:37:50,199 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:37:50,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3429.08ms. Allocated memory was 90.2MB in the beginning and 230.7MB in the end (delta: 140.5MB). Free memory was 56.1MB in the beginning and 92.7MB in the end (delta: -36.6MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. [2022-11-16 16:37:50,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 723.42ms. Allocated memory was 230.7MB in the beginning and 438.3MB in the end (delta: 207.6MB). Free memory was 92.7MB in the beginning and 286.6MB in the end (delta: -193.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-11-16 16:37:50,201 INFO L158 Benchmark]: Boogie Preprocessor took 691.55ms. Allocated memory is still 438.3MB. Free memory was 286.6MB in the beginning and 215.3MB in the end (delta: 71.3MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-11-16 16:37:50,202 INFO L158 Benchmark]: RCFGBuilder took 33176.99ms. Allocated memory was 438.3MB in the beginning and 5.8GB in the end (delta: 5.3GB). Free memory was 215.3MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-16 16:37:50,203 INFO L158 Benchmark]: TraceAbstraction took 408958.10ms. Allocated memory is still 5.8GB. Free memory was 5.2GB in the beginning and 2.2GB in the end (delta: 3.1GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2022-11-16 16:37:50,203 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 5.8GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:37:50,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3429.08ms. Allocated memory was 90.2MB in the beginning and 230.7MB in the end (delta: 140.5MB). Free memory was 56.1MB in the beginning and 92.7MB in the end (delta: -36.6MB). Peak memory consumption was 129.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 723.42ms. Allocated memory was 230.7MB in the beginning and 438.3MB in the end (delta: 207.6MB). Free memory was 92.7MB in the beginning and 286.6MB in the end (delta: -193.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 691.55ms. Allocated memory is still 438.3MB. Free memory was 286.6MB in the beginning and 215.3MB in the end (delta: 71.3MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * RCFGBuilder took 33176.99ms. Allocated memory was 438.3MB in the beginning and 5.8GB in the end (delta: 5.3GB). Free memory was 215.3MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 408958.10ms. Allocated memory is still 5.8GB. Free memory was 5.2GB in the beginning and 2.2GB in the end (delta: 3.1GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 5.8GB. Free memory was 2.2GB in the beginning and 2.2GB 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_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_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_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_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_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_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_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_#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_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_#res#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_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_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_#res#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_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_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_#res#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_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_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_#res#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_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_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_#res#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_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_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_#res#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_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_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_#res#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_src#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)=18446744073709550841, \read(verbose)=18446744073709550877, \read(verbose)=18446744073709550839, \read(verbose)=18446744073709550828, \read(verbose)=18446744073709550845, \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)=18446744073709550835, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, 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=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] 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)=18446744073709550835, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, 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)=18446744073709550835, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, 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)=18446744073709550835, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550880, 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)=18446744073709550872, \read(verbose)=18446744073709550869, \read(verbose)=18446744073709550891, \read(verbose)=18446744073709550838, \read(verbose)=18446744073709550835, \read(verbose)=18446744073709550880, \read(verbose)=18446744073709550831, \read(verbose)=18446744073709550825, 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: 408.6s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 75.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 39298 SdHoareTripleChecker+Valid, 67.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39248 mSDsluCounter, 122325 SdHoareTripleChecker+Invalid, 64.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56911 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6578 IncrementalHoareTripleChecker+Invalid, 6641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 65414 mSDtfsCounter, 6578 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 6 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=17031occurred 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: 22.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 87 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 211.9s SatisfiabilityAnalysisTime, 9.8s 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 [2022-11-16 16:37:50,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 16:37:53,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:37:53,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:37:53,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:37:53,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:37:53,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:37:53,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:37:53,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:37:53,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:37:53,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:37:53,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:37:53,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:37:53,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:37:53,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:37:53,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:37:53,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:37:53,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:37:53,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:37:53,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:37:53,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:37:53,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:37:53,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:37:53,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:37:53,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:37:53,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:37:53,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:37:53,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:37:53,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:37:53,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:37:53,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:37:53,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:37:53,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:37:53,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:37:53,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:37:53,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:37:53,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:37:53,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:37:53,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:37:53,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:37:53,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:37:53,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:37:53,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 16:37:53,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:37:53,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:37:53,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:37:53,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:37:53,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:37:53,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:37:53,512 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:37:53,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:37:53,513 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:37:53,513 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:37:53,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:37:53,515 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:37:53,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:37:53,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:37:53,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:37:53,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:37:53,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:37:53,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 16:37:53,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 16:37:53,519 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 16:37:53,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:37:53,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:37:53,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:37:53,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:37:53,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 16:37:53,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:37:53,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:37:53,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:37:53,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:37:53,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:37:53,522 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 16:37:53,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 16:37:53,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:37:53,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:37:53,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 16:37:53,523 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 [2022-11-16 16:37:54,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:37:54,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:37:54,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:37:54,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:37:54,055 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:37:54,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-16 16:37:54,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/4891635bb/210e11a3ca694c1899cd165c76156945/FLAG84501fd85 [2022-11-16 16:37:55,324 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:37:55,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-16 16:37:55,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/4891635bb/210e11a3ca694c1899cd165c76156945/FLAG84501fd85 [2022-11-16 16:37:55,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/data/4891635bb/210e11a3ca694c1899cd165c76156945 [2022-11-16 16:37:55,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:37:55,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:37:55,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:37:55,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:37:55,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:37:55,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:37:55" (1/1) ... [2022-11-16 16:37:55,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412e0904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:37:55, skipping insertion in model container [2022-11-16 16:37:55,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:37:55" (1/1) ... [2022-11-16 16:37:55,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:37:55,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:37:58,526 WARN L229 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-16 16:37:58,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:37:58,843 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 16:37:58,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:37:59,720 WARN L229 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-16 16:37:59,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:37:59,777 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:38:00,714 WARN L229 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_0c1ae508-a148-4ac1-9d23-1ecb44199f78/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-16 16:38:00,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:38:00,878 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:38:00,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00 WrapperNode [2022-11-16 16:38:00,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:38:00,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:38:00,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:38:00,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:38:00,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:01,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:01,600 INFO L138 Inliner]: procedures = 199, calls = 7161, calls flagged for inlining = 69, calls inlined = 54, statements flattened = 15832 [2022-11-16 16:38:01,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:38:01,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:38:01,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:38:01,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:38:01,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:01,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:01,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:01,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:02,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:02,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:02,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:02,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:02,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:38:02,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:38:02,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:38:02,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:38:02,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (1/1) ... [2022-11-16 16:38:02,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:38:02,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:38:02,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:38:02,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:38:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock [2022-11-16 16:38:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock [2022-11-16 16:38:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 16:38:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 16:38:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 16:38:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-16 16:38:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-16 16:38:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 16:38:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 16:38:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 16:38:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-16 16:38:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-16 16:38:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-16 16:38:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-16 16:38:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-16 16:38:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-16 16:38:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 16:38:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 16:38:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 16:38:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 16:38:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-16 16:38:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-16 16:38:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-16 16:38:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-16 16:38:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-16 16:38:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-16 16:38:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-16 16:38:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-16 16:38:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 16:38:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 16:38:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-16 16:38:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-16 16:38:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:38:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-16 16:38:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-16 16:38:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-16 16:38:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-16 16:38:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 16:38:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-16 16:38:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-16 16:38:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-16 16:38:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-16 16:38:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-16 16:38:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-16 16:38:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-16 16:38:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-16 16:38:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-16 16:38:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-16 16:38:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 16:38:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 16:38:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 16:38:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:38:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 16:38:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 16:38:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-16 16:38:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-16 16:38:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 16:38:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 16:38:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-16 16:38:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-16 16:38:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-16 16:38:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-16 16:38:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-16 16:38:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-16 16:38:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-16 16:38:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-16 16:38:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-16 16:38:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-16 16:38:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-16 16:38:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-16 16:38:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock [2022-11-16 16:38:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock [2022-11-16 16:38:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-16 16:38:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-16 16:38:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-16 16:38:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-16 16:38:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-16 16:38:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-16 16:38:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 16:38:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 16:38:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-16 16:38:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-16 16:38:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-16 16:38:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-16 16:38:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-16 16:38:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-16 16:38:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 16:38:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-16 16:38:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-16 16:38:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-16 16:38:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-16 16:38:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 16:38:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-16 16:38:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 16:38:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 16:38:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:38:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 16:38:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-16 16:38:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-16 16:38:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-16 16:38:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-16 16:38:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-16 16:38:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-16 16:38:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-16 16:38:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-16 16:38:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-16 16:38:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-16 16:38:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-16 16:38:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-16 16:38:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-16 16:38:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-16 16:38:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-16 16:38:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-16 16:38:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-16 16:38:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock [2022-11-16 16:38:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock [2022-11-16 16:38:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-16 16:38:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-16 16:38:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:38:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:38:04,511 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:38:04,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:38:54,425 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:38:54,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:38:54,467 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 16:38:54,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:38:54 BoogieIcfgContainer [2022-11-16 16:38:54,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:38:54,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:38:54,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:38:54,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:38:54,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:37:55" (1/3) ... [2022-11-16 16:38:54,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1739b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:38:54, skipping insertion in model container [2022-11-16 16:38:54,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:38:00" (2/3) ... [2022-11-16 16:38:54,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1739b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:38:54, skipping insertion in model container [2022-11-16 16:38:54,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:38:54" (3/3) ... [2022-11-16 16:38:54,483 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-16 16:38:54,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:38:54,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:38:54,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:38:54,772 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;@75ea6e92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:38:54,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:38:54,794 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) [2022-11-16 16:38:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:38:54,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:38:54,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:38:54,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:38:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:38:54,816 INFO L85 PathProgramCache]: Analyzing trace with hash -415822776, now seen corresponding path program 1 times [2022-11-16 16:38:54,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:38:54,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544363499] [2022-11-16 16:38:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:38:54,845 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 [2022-11-16 16:38:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:38:54,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:38:54,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:39:02,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 5113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:39:02,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:39:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:39:02,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:39:02,752 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:39:02,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544363499] [2022-11-16 16:39:02,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544363499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:39:02,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:39:02,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:39:02,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148590860] [2022-11-16 16:39:02,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:39:02,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:39:02,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:39:02,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:39:02,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:39:02,851 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) [2022-11-16 16:39:03,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:39:03,952 INFO L93 Difference]: Finished difference Result 10514 states and 17240 transitions. [2022-11-16 16:39:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:39:03,956 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 [2022-11-16 16:39:03,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:39:04,042 INFO L225 Difference]: With dead ends: 10514 [2022-11-16 16:39:04,043 INFO L226 Difference]: Without dead ends: 5253 [2022-11-16 16:39:04,130 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 [2022-11-16 16:39:04,135 INFO L413 NwaCegarLoop]: 8580 mSDtfsCounter, 8576 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 16:39:04,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8576 Valid, 8580 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 16:39:04,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2022-11-16 16:39:05,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5253. [2022-11-16 16:39:05,344 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) [2022-11-16 16:39:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 8577 transitions. [2022-11-16 16:39:05,428 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 8577 transitions. Word has length 8 [2022-11-16 16:39:05,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:39:05,429 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 8577 transitions. [2022-11-16 16:39:05,430 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) [2022-11-16 16:39:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 8577 transitions. [2022-11-16 16:39:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 16:39:05,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:39:05,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:39:05,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:05,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:05,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:39:05,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:39:05,652 INFO L85 PathProgramCache]: Analyzing trace with hash -8100993, now seen corresponding path program 1 times [2022-11-16 16:39:05,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:39:05,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505947636] [2022-11-16 16:39:05,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:39:05,666 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 [2022-11-16 16:39:05,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:39:05,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:39:05,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:39:13,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:39:13,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:39:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:39:13,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:39:13,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:39:13,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505947636] [2022-11-16 16:39:13,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505947636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:39:13,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:39:13,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:39:13,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825048978] [2022-11-16 16:39:13,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:39:13,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:39:13,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:39:13,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:39:13,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:39:13,640 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) [2022-11-16 16:39:14,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:39:14,563 INFO L93 Difference]: Finished difference Result 10574 states and 17265 transitions. [2022-11-16 16:39:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:39:14,564 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 [2022-11-16 16:39:14,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:39:14,616 INFO L225 Difference]: With dead ends: 10574 [2022-11-16 16:39:14,617 INFO L226 Difference]: Without dead ends: 5324 [2022-11-16 16:39:14,670 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 [2022-11-16 16:39:14,672 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 [2022-11-16 16:39:14,674 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] [2022-11-16 16:39:14,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-11-16 16:39:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-11-16 16:39:15,827 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) [2022-11-16 16:39:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 8678 transitions. [2022-11-16 16:39:15,902 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 8678 transitions. Word has length 9 [2022-11-16 16:39:15,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:39:15,903 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 8678 transitions. [2022-11-16 16:39:15,904 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) [2022-11-16 16:39:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 8678 transitions. [2022-11-16 16:39:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:39:15,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:39:15,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:39:16,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:16,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:16,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:39:16,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:39:16,106 INFO L85 PathProgramCache]: Analyzing trace with hash -253622741, now seen corresponding path program 1 times [2022-11-16 16:39:16,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:39:16,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138287167] [2022-11-16 16:39:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:39:16,113 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 [2022-11-16 16:39:16,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:39:16,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:39:16,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:39:23,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 5115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:39:23,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:39:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:39:23,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:39:23,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:39:23,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138287167] [2022-11-16 16:39:23,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138287167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:39:23,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:39:23,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:39:23,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475104171] [2022-11-16 16:39:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:39:23,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:39:23,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:39:23,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:39:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:39:23,943 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) [2022-11-16 16:39:24,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:39:24,864 INFO L93 Difference]: Finished difference Result 5323 states and 8679 transitions. [2022-11-16 16:39:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:39:24,867 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 [2022-11-16 16:39:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:39:24,910 INFO L225 Difference]: With dead ends: 5323 [2022-11-16 16:39:24,911 INFO L226 Difference]: Without dead ends: 5320 [2022-11-16 16:39:24,919 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 [2022-11-16 16:39:24,922 INFO L413 NwaCegarLoop]: 8570 mSDtfsCounter, 8564 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-11-16 16:39:24,924 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] [2022-11-16 16:39:24,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-11-16 16:39:25,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-11-16 16:39:25,804 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) [2022-11-16 16:39:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 8676 transitions. [2022-11-16 16:39:25,865 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 8676 transitions. Word has length 10 [2022-11-16 16:39:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:39:25,865 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 8676 transitions. [2022-11-16 16:39:25,865 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) [2022-11-16 16:39:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 8676 transitions. [2022-11-16 16:39:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 16:39:25,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:39:25,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:39:26,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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)] Forceful destruction successful, exit code 0 [2022-11-16 16:39:26,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:26,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:39:26,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:39:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash 725142530, now seen corresponding path program 1 times [2022-11-16 16:39:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:39:26,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339379581] [2022-11-16 16:39:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:39:26,098 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 [2022-11-16 16:39:26,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:39:26,104 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:39:26,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:39:33,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 5116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:39:33,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:39:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:39:34,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:39:34,055 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:39:34,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339379581] [2022-11-16 16:39:34,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339379581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:39:34,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:39:34,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:39:34,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577910698] [2022-11-16 16:39:34,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:39:34,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:39:34,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:39:34,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:39:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:39:34,058 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) [2022-11-16 16:39:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:39:34,787 INFO L93 Difference]: Finished difference Result 5322 states and 8677 transitions. [2022-11-16 16:39:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:39:34,788 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 [2022-11-16 16:39:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:39:34,831 INFO L225 Difference]: With dead ends: 5322 [2022-11-16 16:39:34,832 INFO L226 Difference]: Without dead ends: 5319 [2022-11-16 16:39:34,840 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 [2022-11-16 16:39:34,843 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 [2022-11-16 16:39:34,845 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] [2022-11-16 16:39:34,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2022-11-16 16:39:35,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 5319. [2022-11-16 16:39:35,866 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) [2022-11-16 16:39:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 8674 transitions. [2022-11-16 16:39:35,911 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 8674 transitions. Word has length 11 [2022-11-16 16:39:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:39:35,911 INFO L495 AbstractCegarLoop]: Abstraction has 5319 states and 8674 transitions. [2022-11-16 16:39:35,911 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) [2022-11-16 16:39:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 8674 transitions. [2022-11-16 16:39:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 16:39:35,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:39:35,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:39:36,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:36,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:36,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:39:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:39:36,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1002099726, now seen corresponding path program 1 times [2022-11-16 16:39:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:39:36,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228955557] [2022-11-16 16:39:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:39:36,138 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 [2022-11-16 16:39:36,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:39:36,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:39:36,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:39:43,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 5117 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:39:43,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:39:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:39:43,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:39:43,832 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:39:43,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228955557] [2022-11-16 16:39:43,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228955557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:39:43,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:39:43,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:39:43,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149691074] [2022-11-16 16:39:43,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:39:43,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:39:43,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:39:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:39:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:39:43,836 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) [2022-11-16 16:39:44,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:39:44,700 INFO L93 Difference]: Finished difference Result 5321 states and 8675 transitions. [2022-11-16 16:39:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:39:44,701 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 [2022-11-16 16:39:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:39:44,754 INFO L225 Difference]: With dead ends: 5321 [2022-11-16 16:39:44,755 INFO L226 Difference]: Without dead ends: 5318 [2022-11-16 16:39:44,760 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 [2022-11-16 16:39:44,761 INFO L413 NwaCegarLoop]: 8566 mSDtfsCounter, 8558 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:39:44,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8558 Valid, 8566 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 16:39:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2022-11-16 16:39:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5318. [2022-11-16 16:39:45,755 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) [2022-11-16 16:39:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 8672 transitions. [2022-11-16 16:39:45,799 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 8672 transitions. Word has length 12 [2022-11-16 16:39:45,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:39:45,800 INFO L495 AbstractCegarLoop]: Abstraction has 5318 states and 8672 transitions. [2022-11-16 16:39:45,800 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) [2022-11-16 16:39:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 8672 transitions. [2022-11-16 16:39:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 16:39:45,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:39:45,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:39:45,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:46,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:46,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:39:46,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:39:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash 997843077, now seen corresponding path program 1 times [2022-11-16 16:39:46,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:39:46,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633141660] [2022-11-16 16:39:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:39:46,022 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 [2022-11-16 16:39:46,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:39:46,023 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:39:46,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:39:53,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 5118 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:39:53,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:39:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:39:53,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:39:53,680 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:39:53,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633141660] [2022-11-16 16:39:53,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633141660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:39:53,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:39:53,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:39:53,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772125603] [2022-11-16 16:39:53,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:39:53,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:39:53,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:39:53,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:39:53,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:39:53,682 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) [2022-11-16 16:39:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:39:55,056 INFO L93 Difference]: Finished difference Result 15932 states and 26122 transitions. [2022-11-16 16:39:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:39:55,060 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 [2022-11-16 16:39:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:39:55,154 INFO L225 Difference]: With dead ends: 15932 [2022-11-16 16:39:55,154 INFO L226 Difference]: Without dead ends: 10611 [2022-11-16 16:39:55,214 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 [2022-11-16 16:39:55,214 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 [2022-11-16 16:39:55,217 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] [2022-11-16 16:39:55,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10611 states. [2022-11-16 16:39:57,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10611 to 10602. [2022-11-16 16:39:57,596 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) [2022-11-16 16:39:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10602 states to 10602 states and 17385 transitions. [2022-11-16 16:39:57,691 INFO L78 Accepts]: Start accepts. Automaton has 10602 states and 17385 transitions. Word has length 13 [2022-11-16 16:39:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:39:57,692 INFO L495 AbstractCegarLoop]: Abstraction has 10602 states and 17385 transitions. [2022-11-16 16:39:57,692 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) [2022-11-16 16:39:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 10602 states and 17385 transitions. [2022-11-16 16:39:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 16:39:57,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:39:57,708 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] [2022-11-16 16:39:57,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:57,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:39:57,925 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:39:57,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:39:57,925 INFO L85 PathProgramCache]: Analyzing trace with hash 443855695, now seen corresponding path program 1 times [2022-11-16 16:39:57,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:39:57,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903205509] [2022-11-16 16:39:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:39:57,930 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 [2022-11-16 16:39:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:39:57,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:39:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:40:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:40:06,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 5601 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 16:40:06,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:40:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 16:40:06,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:40:06,316 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:40:06,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903205509] [2022-11-16 16:40:06,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903205509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:40:06,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:40:06,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:40:06,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326896632] [2022-11-16 16:40:06,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:40:06,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:40:06,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:40:06,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:40:06,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:40:06,324 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) [2022-11-16 16:40:07,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:40:07,715 INFO L93 Difference]: Finished difference Result 21308 states and 35024 transitions. [2022-11-16 16:40:07,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:40:07,715 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 [2022-11-16 16:40:07,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:40:07,805 INFO L225 Difference]: With dead ends: 21308 [2022-11-16 16:40:07,806 INFO L226 Difference]: Without dead ends: 10709 [2022-11-16 16:40:07,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:40:07,922 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 [2022-11-16 16:40:07,923 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] [2022-11-16 16:40:07,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2022-11-16 16:40:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 10707. [2022-11-16 16:40:10,099 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) [2022-11-16 16:40:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10707 states to 10707 states and 17550 transitions. [2022-11-16 16:40:10,197 INFO L78 Accepts]: Start accepts. Automaton has 10707 states and 17550 transitions. Word has length 68 [2022-11-16 16:40:10,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:40:10,198 INFO L495 AbstractCegarLoop]: Abstraction has 10707 states and 17550 transitions. [2022-11-16 16:40:10,198 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) [2022-11-16 16:40:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 10707 states and 17550 transitions. [2022-11-16 16:40:10,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 16:40:10,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:40:10,207 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] [2022-11-16 16:40:10,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:40:10,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:40:10,431 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:40:10,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:40:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash 474384810, now seen corresponding path program 1 times [2022-11-16 16:40:10,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:40:10,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809243833] [2022-11-16 16:40:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:40:10,438 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 [2022-11-16 16:40:10,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:40:10,439 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:40:10,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:40:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:40:19,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 5602 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 16:40:19,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:40:20,126 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 16:40:20,127 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 [2022-11-16 16:40:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 16:40:20,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:40:20,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:40:20,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809243833] [2022-11-16 16:40:20,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809243833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:40:20,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:40:20,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:40:20,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607601789] [2022-11-16 16:40:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:40:20,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:40:20,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:40:20,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:40:20,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:40:20,178 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) [2022-11-16 16:40:22,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:40:25,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:40:28,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:40:42,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:40:50,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:40:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:40:55,104 INFO L93 Difference]: Finished difference Result 21577 states and 35391 transitions. [2022-11-16 16:40:55,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 16:40:55,105 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 [2022-11-16 16:40:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:40:55,206 INFO L225 Difference]: With dead ends: 21577 [2022-11-16 16:40:55,206 INFO L226 Difference]: Without dead ends: 10873 [2022-11-16 16:40:55,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:40:55,312 INFO L413 NwaCegarLoop]: 8593 mSDtfsCounter, 193 mSDsluCounter, 15683 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s 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, 34.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:40:55,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 24276 Invalid, 1556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1548 Invalid, 4 Unknown, 0 Unchecked, 34.0s Time] [2022-11-16 16:40:55,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10873 states. [2022-11-16 16:40:57,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10873 to 10820. [2022-11-16 16:40:57,866 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) [2022-11-16 16:40:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10820 states to 10820 states and 17718 transitions. [2022-11-16 16:40:57,959 INFO L78 Accepts]: Start accepts. Automaton has 10820 states and 17718 transitions. Word has length 71 [2022-11-16 16:40:57,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:40:57,961 INFO L495 AbstractCegarLoop]: Abstraction has 10820 states and 17718 transitions. [2022-11-16 16:40:57,962 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) [2022-11-16 16:40:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 10820 states and 17718 transitions. [2022-11-16 16:40:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-16 16:40:57,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:40:57,969 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] [2022-11-16 16:40:58,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:40:58,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:40:58,186 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:40:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:40:58,186 INFO L85 PathProgramCache]: Analyzing trace with hash 666406944, now seen corresponding path program 1 times [2022-11-16 16:40:58,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:40:58,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684993823] [2022-11-16 16:40:58,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:40:58,193 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 [2022-11-16 16:40:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:40:58,195 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:40:58,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:41:08,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 5681 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 16:41:08,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:41:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 16:41:08,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:41:08,327 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:41:08,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684993823] [2022-11-16 16:41:08,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684993823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:41:08,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:41:08,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:41:08,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315897129] [2022-11-16 16:41:08,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:41:08,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:41:08,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:41:08,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:41:08,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:41:08,332 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) [2022-11-16 16:41:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:41:11,004 INFO L93 Difference]: Finished difference Result 21530 states and 37089 transitions. [2022-11-16 16:41:11,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:41:11,005 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 [2022-11-16 16:41:11,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:41:11,254 INFO L225 Difference]: With dead ends: 21530 [2022-11-16 16:41:11,255 INFO L226 Difference]: Without dead ends: 10824 [2022-11-16 16:41:11,397 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 [2022-11-16 16:41:11,400 INFO L413 NwaCegarLoop]: 8566 mSDtfsCounter, 0 mSDsluCounter, 8562 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 16:41:11,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 16:41:11,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10824 states. [2022-11-16 16:41:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10824 to 10824. [2022-11-16 16:41:13,502 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) [2022-11-16 16:41:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10824 states to 10824 states and 17722 transitions. [2022-11-16 16:41:13,611 INFO L78 Accepts]: Start accepts. Automaton has 10824 states and 17722 transitions. Word has length 92 [2022-11-16 16:41:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:41:13,613 INFO L495 AbstractCegarLoop]: Abstraction has 10824 states and 17722 transitions. [2022-11-16 16:41:13,613 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) [2022-11-16 16:41:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 10824 states and 17722 transitions. [2022-11-16 16:41:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 16:41:13,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:41:13,620 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] [2022-11-16 16:41:13,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:13,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:13,835 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:41:13,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:41:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash 124787822, now seen corresponding path program 1 times [2022-11-16 16:41:13,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:41:13,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186921120] [2022-11-16 16:41:13,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:41:13,850 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 [2022-11-16 16:41:13,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:41:13,851 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:41:13,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:41:24,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 5793 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 16:41:24,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:41:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 16:41:24,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:41:24,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:41:24,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186921120] [2022-11-16 16:41:24,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [186921120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:41:24,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:41:24,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:41:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796650055] [2022-11-16 16:41:24,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:41:24,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:41:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:41:24,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:41:24,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:41:24,453 INFO L87 Difference]: Start difference. First operand 10824 states and 17722 transitions. Second operand has 4 states, 4 states have (on average 16.75) 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, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 16:41:26,504 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 [] [2022-11-16 16:41:28,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:41:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:41:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:41:31,098 INFO L93 Difference]: Finished difference Result 21538 states and 37097 transitions. [2022-11-16 16:41:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:41:31,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) 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, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 93 [2022-11-16 16:41:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:41:31,201 INFO L225 Difference]: With dead ends: 21538 [2022-11-16 16:41:31,202 INFO L226 Difference]: Without dead ends: 10828 [2022-11-16 16:41:31,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:41:31,365 INFO L413 NwaCegarLoop]: 8563 mSDtfsCounter, 38 mSDsluCounter, 8560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 5.8s IncrementalHoareTripleChecker+Time [2022-11-16 16:41:31,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 17123 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-16 16:41:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10828 states. [2022-11-16 16:41:33,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10828 to 10828. [2022-11-16 16:41:33,470 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) [2022-11-16 16:41:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10828 states to 10828 states and 17726 transitions. [2022-11-16 16:41:33,588 INFO L78 Accepts]: Start accepts. Automaton has 10828 states and 17726 transitions. Word has length 93 [2022-11-16 16:41:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:41:33,589 INFO L495 AbstractCegarLoop]: Abstraction has 10828 states and 17726 transitions. [2022-11-16 16:41:33,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) 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, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 16:41:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 10828 states and 17726 transitions. [2022-11-16 16:41:33,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 16:41:33,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:41:33,596 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] [2022-11-16 16:41:33,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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)] Forceful destruction successful, exit code 0 [2022-11-16 16:41:33,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:33,811 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:41:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:41:33,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2102543710, now seen corresponding path program 1 times [2022-11-16 16:41:33,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:41:33,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357641844] [2022-11-16 16:41:33,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:41:33,817 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 [2022-11-16 16:41:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:41:33,817 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:41:33,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:41:44,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 5806 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 16:41:44,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:41:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 16:41:44,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:41:44,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:41:44,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357641844] [2022-11-16 16:41:44,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357641844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:41:44,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:41:44,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 16:41:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439751937] [2022-11-16 16:41:44,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:41:44,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:41:44,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:41:44,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:41:44,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:41:44,677 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) [2022-11-16 16:41:46,738 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 [] [2022-11-16 16:41:52,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:41:52,767 INFO L93 Difference]: Finished difference Result 21584 states and 37193 transitions. [2022-11-16 16:41:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:41:52,772 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 [2022-11-16 16:41:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:41:52,900 INFO L225 Difference]: With dead ends: 21584 [2022-11-16 16:41:52,900 INFO L226 Difference]: Without dead ends: 10870 [2022-11-16 16:41:53,032 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 [2022-11-16 16:41:53,033 INFO L413 NwaCegarLoop]: 8577 mSDtfsCounter, 10 mSDsluCounter, 33507 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 42084 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:41:53,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 42084 Invalid, 807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-16 16:41:53,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10870 states. [2022-11-16 16:41:56,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10870 to 10844. [2022-11-16 16:41:56,662 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) [2022-11-16 16:41:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 19291 transitions. [2022-11-16 16:41:56,767 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 19291 transitions. Word has length 94 [2022-11-16 16:41:56,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:41:56,768 INFO L495 AbstractCegarLoop]: Abstraction has 10844 states and 19291 transitions. [2022-11-16 16:41:56,768 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) [2022-11-16 16:41:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 19291 transitions. [2022-11-16 16:41:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-16 16:41:56,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:41:56,777 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] [2022-11-16 16:41:56,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:56,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:41:56,991 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:41:56,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:41:56,991 INFO L85 PathProgramCache]: Analyzing trace with hash -891058295, now seen corresponding path program 1 times [2022-11-16 16:41:56,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:41:56,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110366396] [2022-11-16 16:41:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:41:56,996 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 [2022-11-16 16:41:56,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:41:56,997 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:41:56,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:42:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:42:07,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 5753 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 16:42:07,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:42:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 16:42:07,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:42:07,758 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:42:07,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110366396] [2022-11-16 16:42:07,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110366396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:42:07,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:42:07,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 16:42:07,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498275322] [2022-11-16 16:42:07,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:42:07,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:42:07,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:42:07,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:42:07,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:42:07,760 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) [2022-11-16 16:42:09,811 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 [] [2022-11-16 16:42:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:42:15,701 INFO L93 Difference]: Finished difference Result 21608 states and 38764 transitions. [2022-11-16 16:42:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:42:15,702 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 [2022-11-16 16:42:15,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:42:15,776 INFO L225 Difference]: With dead ends: 21608 [2022-11-16 16:42:15,777 INFO L226 Difference]: Without dead ends: 10878 [2022-11-16 16:42:15,879 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 [2022-11-16 16:42:15,880 INFO L413 NwaCegarLoop]: 8577 mSDtfsCounter, 10 mSDsluCounter, 33506 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 42083 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:42:15,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 42083 Invalid, 807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-16 16:42:15,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10878 states. [2022-11-16 16:42:19,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10878 to 10848. [2022-11-16 16:42:19,155 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) [2022-11-16 16:42:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 10848 states and 19295 transitions. [2022-11-16 16:42:19,249 INFO L78 Accepts]: Start accepts. Automaton has 10848 states and 19295 transitions. Word has length 79 [2022-11-16 16:42:19,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:42:19,249 INFO L495 AbstractCegarLoop]: Abstraction has 10848 states and 19295 transitions. [2022-11-16 16:42:19,249 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) [2022-11-16 16:42:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10848 states and 19295 transitions. [2022-11-16 16:42:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-16 16:42:19,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:42:19,256 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] [2022-11-16 16:42:19,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:42:19,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:42:19,471 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:42:19,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:42:19,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1938671566, now seen corresponding path program 1 times [2022-11-16 16:42:19,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:42:19,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134723636] [2022-11-16 16:42:19,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:42:19,480 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 [2022-11-16 16:42:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:42:19,481 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:42:19,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1ae508-a148-4ac1-9d23-1ecb44199f78/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:42:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:42:28,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 5731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 16:42:28,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:42:29,223 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 16:42:29,223 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 [2022-11-16 16:42:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 16:42:29,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:42:29,269 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:42:29,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134723636] [2022-11-16 16:42:29,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134723636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:42:29,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:42:29,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:42:29,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920630645] [2022-11-16 16:42:29,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:42:29,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:42:29,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:42:29,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:42:29,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:42:29,271 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) [2022-11-16 16:42:31,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:42:34,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:42:37,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:42:50,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:42:57,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []