./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9 --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 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- 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-6b4ec56 [2022-11-20 21:08:50,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:08:50,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:08:50,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:08:50,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:08:50,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:08:50,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:08:50,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:08:50,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:08:50,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:08:50,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:08:50,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:08:50,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:08:50,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:08:50,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:08:50,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:08:50,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:08:50,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:08:50,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:08:50,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:08:50,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:08:50,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:08:50,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:08:50,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:08:50,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:08:50,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:08:50,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:08:50,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:08:50,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:08:50,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:08:50,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:08:50,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:08:50,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:08:50,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:08:50,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:08:50,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:08:50,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:08:50,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:08:50,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:08:50,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:08:50,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:08:50,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:08:50,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:08:50,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:08:50,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:08:50,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:08:50,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:08:50,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:08:50,877 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:08:50,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:08:50,877 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:08:50,877 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:08:50,878 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:08:50,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:08:50,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:08:50,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:08:50,879 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:08:50,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:08:50,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:08:50,880 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:08:50,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:08:50,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:08:50,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:08:50,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:08:50,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:08:50,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:08:50,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:08:50,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:08:50,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:08:50,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:08:50,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:08:50,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:08:50,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:08:50,885 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:08:50,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:08:50,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:08:50,886 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:08:50,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:08:50,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:08:50,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:08:50,887 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2022-11-20 21:08:51,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:08:51,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:08:51,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:08:51,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:08:51,165 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:08:51,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-20 21:08:54,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:08:54,983 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:08:54,984 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-20 21:08:55,045 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data/79449ec0a/743b1e98faca4bea9fa04c7774998b2b/FLAG46944c77b [2022-11-20 21:08:55,062 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data/79449ec0a/743b1e98faca4bea9fa04c7774998b2b [2022-11-20 21:08:55,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:08:55,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:08:55,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:55,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:08:55,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:08:55,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:55" (1/1) ... [2022-11-20 21:08:55,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47968ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:55, skipping insertion in model container [2022-11-20 21:08:55,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:55" (1/1) ... [2022-11-20 21:08:55,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:08:55,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:08:57,654 WARN L237 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-20 21:08:57,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:08:57,833 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:08:58,497 WARN L237 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-20 21:08:58,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:08:58,670 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:08:58,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58 WrapperNode [2022-11-20 21:08:58,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:58,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:08:58,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:08:58,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:08:58,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:58,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,364 INFO L138 Inliner]: procedures = 170, calls = 6963, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 16666 [2022-11-20 21:08:59,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:08:59,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:08:59,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:08:59,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:08:59,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:08:59,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:09:00,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:09:00,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:09:00,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:09:00,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:09:00,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (1/1) ... [2022-11-20 21:09:00,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:09:00,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:09:00,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:09:00,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:09:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-20 21:09:00,326 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-20 21:09:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-20 21:09:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-20 21:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 21:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 21:09:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 21:09:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-20 21:09:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-20 21:09:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-20 21:09:00,328 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-20 21:09:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 21:09:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 21:09:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-20 21:09:00,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-20 21:09:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:09:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-20 21:09:00,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-20 21:09:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-20 21:09:00,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-20 21:09:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-20 21:09:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-20 21:09:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-20 21:09:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-20 21:09:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 21:09:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 21:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-20 21:09:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-20 21:09:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-20 21:09:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-20 21:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 21:09:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 21:09:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-20 21:09:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-20 21:09:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 21:09:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 21:09:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-20 21:09:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-20 21:09:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-20 21:09:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-20 21:09:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-20 21:09:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-20 21:09:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-20 21:09:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-20 21:09:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 21:09:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 21:09:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-20 21:09:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-20 21:09:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-20 21:09:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-20 21:09:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-20 21:09:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-20 21:09:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 21:09:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 21:09:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-20 21:09:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-20 21:09:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-20 21:09:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-20 21:09:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:09:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:09:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:09:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-20 21:09:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-20 21:09:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-20 21:09:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-20 21:09:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-20 21:09:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-20 21:09:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-20 21:09:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-20 21:09:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 21:09:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 21:09:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:09:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-20 21:09:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-20 21:09:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-20 21:09:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-20 21:09:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-20 21:09:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-20 21:09:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-20 21:09:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-20 21:09:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-20 21:09:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-20 21:09:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:09:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 21:09:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-20 21:09:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-20 21:09:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-20 21:09:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-20 21:09:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-20 21:09:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-20 21:09:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-20 21:09:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-20 21:09:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 21:09:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 21:09:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-20 21:09:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-20 21:09:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-20 21:09:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-20 21:09:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:09:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-20 21:09:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-20 21:09:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-20 21:09:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-20 21:09:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 21:09:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-20 21:09:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-20 21:09:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:09:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:09:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-20 21:09:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-20 21:09:01,770 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:09:01,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:09:15,847 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:09:26,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:09:26,361 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:09:26,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:26 BoogieIcfgContainer [2022-11-20 21:09:26,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:09:26,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:09:26,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:09:26,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:09:26,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:08:55" (1/3) ... [2022-11-20 21:09:26,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10da7876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:09:26, skipping insertion in model container [2022-11-20 21:09:26,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:58" (2/3) ... [2022-11-20 21:09:26,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10da7876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:09:26, skipping insertion in model container [2022-11-20 21:09:26,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:26" (3/3) ... [2022-11-20 21:09:26,380 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-20 21:09:26,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:09:26,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:09:26,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:09:26,552 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;@482072fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:09:26,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:09:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 4209 states, 2866 states have (on average 1.4410327983251918) internal successors, (4130), 2878 states have internal predecessors, (4130), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) [2022-11-20 21:09:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 21:09:26,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:09:26,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 21:09:26,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:09:26,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:09:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1675261183, now seen corresponding path program 1 times [2022-11-20 21:09:26,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:09:26,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594123890] [2022-11-20 21:09:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:09:26,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:09:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:09:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:09:27,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:09:27,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594123890] [2022-11-20 21:09:27,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594123890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:09:27,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:09:27,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:09:27,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425252070] [2022-11-20 21:09:27,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:09:27,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:09:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:09:27,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:09:27,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:09:27,736 INFO L87 Difference]: Start difference. First operand has 4209 states, 2866 states have (on average 1.4410327983251918) internal successors, (4130), 2878 states have internal predecessors, (4130), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) 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) [2022-11-20 21:09:29,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:09:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:09:31,453 INFO L93 Difference]: Finished difference Result 8441 states and 13514 transitions. [2022-11-20 21:09:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:09:31,456 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 [2022-11-20 21:09:31,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:09:31,499 INFO L225 Difference]: With dead ends: 8441 [2022-11-20 21:09:31,499 INFO L226 Difference]: Without dead ends: 4231 [2022-11-20 21:09:31,540 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 [2022-11-20 21:09:31,543 INFO L413 NwaCegarLoop]: 6465 mSDtfsCounter, 6490 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6490 SdHoareTripleChecker+Valid, 6685 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:09:31,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6490 Valid, 6685 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 21:09:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2022-11-20 21:09:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 4229. [2022-11-20 21:09:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4229 states, 2881 states have (on average 1.4390836515098924) internal successors, (4146), 2889 states have internal predecessors, (4146), 1295 states have call successors, (1295), 53 states have call predecessors, (1295), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-20 21:09:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 4229 states and 6730 transitions. [2022-11-20 21:09:33,522 INFO L78 Accepts]: Start accepts. Automaton has 4229 states and 6730 transitions. Word has length 6 [2022-11-20 21:09:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:09:33,523 INFO L495 AbstractCegarLoop]: Abstraction has 4229 states and 6730 transitions. [2022-11-20 21:09:33,523 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) [2022-11-20 21:09:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 4229 states and 6730 transitions. [2022-11-20 21:09:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:09:33,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:09:33,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:09:33,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:09:33,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:09:33,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:09:33,526 INFO L85 PathProgramCache]: Analyzing trace with hash 390988128, now seen corresponding path program 1 times [2022-11-20 21:09:33,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:09:33,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854940055] [2022-11-20 21:09:33,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:09:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:09:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:09:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:09:34,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:09:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854940055] [2022-11-20 21:09:34,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854940055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:09:34,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:09:34,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:09:34,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559192484] [2022-11-20 21:09:34,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:09:34,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:09:34,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:09:34,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:09:34,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:09:34,103 INFO L87 Difference]: Start difference. First operand 4229 states and 6730 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) [2022-11-20 21:09:36,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:09:38,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:09:38,322 INFO L93 Difference]: Finished difference Result 4231 states and 6731 transitions. [2022-11-20 21:09:38,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:09:38,324 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 [2022-11-20 21:09:38,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:09:38,355 INFO L225 Difference]: With dead ends: 4231 [2022-11-20 21:09:38,355 INFO L226 Difference]: Without dead ends: 4228 [2022-11-20 21:09:38,360 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 [2022-11-20 21:09:38,361 INFO L413 NwaCegarLoop]: 6459 mSDtfsCounter, 6695 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6695 SdHoareTripleChecker+Valid, 6459 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:09:38,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6695 Valid, 6459 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 21:09:38,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2022-11-20 21:09:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4228. [2022-11-20 21:09:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4228 states, 2881 states have (on average 1.438736549809094) internal successors, (4145), 2888 states have internal predecessors, (4145), 1294 states have call successors, (1294), 53 states have call predecessors, (1294), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-20 21:09:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 6728 transitions. [2022-11-20 21:09:39,590 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 6728 transitions. Word has length 7 [2022-11-20 21:09:39,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:09:39,591 INFO L495 AbstractCegarLoop]: Abstraction has 4228 states and 6728 transitions. [2022-11-20 21:09:39,592 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) [2022-11-20 21:09:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 6728 transitions. [2022-11-20 21:09:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:09:39,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:09:39,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:09:39,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:09:39,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:09:39,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:09:39,595 INFO L85 PathProgramCache]: Analyzing trace with hash -766766046, now seen corresponding path program 1 times [2022-11-20 21:09:39,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:09:39,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305233452] [2022-11-20 21:09:39,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:09:39,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:09:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:09:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:09:40,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:09:40,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305233452] [2022-11-20 21:09:40,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305233452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:09:40,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:09:40,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:09:40,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920793152] [2022-11-20 21:09:40,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:09:40,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:09:40,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:09:40,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:09:40,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:09:40,241 INFO L87 Difference]: Start difference. First operand 4228 states and 6728 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) [2022-11-20 21:09:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:09:42,998 INFO L93 Difference]: Finished difference Result 4230 states and 6729 transitions. [2022-11-20 21:09:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:09:42,999 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 [2022-11-20 21:09:42,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:09:43,029 INFO L225 Difference]: With dead ends: 4230 [2022-11-20 21:09:43,029 INFO L226 Difference]: Without dead ends: 4227 [2022-11-20 21:09:43,034 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 [2022-11-20 21:09:43,035 INFO L413 NwaCegarLoop]: 6457 mSDtfsCounter, 6692 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6692 SdHoareTripleChecker+Valid, 6457 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 21:09:43,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6692 Valid, 6457 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 21:09:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-11-20 21:09:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4227. [2022-11-20 21:09:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4227 states, 2881 states have (on average 1.4383894481082957) internal successors, (4144), 2887 states have internal predecessors, (4144), 1293 states have call successors, (1293), 53 states have call predecessors, (1293), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-20 21:09:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 4227 states and 6726 transitions. [2022-11-20 21:09:43,912 INFO L78 Accepts]: Start accepts. Automaton has 4227 states and 6726 transitions. Word has length 8 [2022-11-20 21:09:43,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:09:43,913 INFO L495 AbstractCegarLoop]: Abstraction has 4227 states and 6726 transitions. [2022-11-20 21:09:43,913 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) [2022-11-20 21:09:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 4227 states and 6726 transitions. [2022-11-20 21:09:43,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 21:09:43,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:09:43,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:09:43,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:09:43,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:09:43,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:09:43,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1997565091, now seen corresponding path program 1 times [2022-11-20 21:09:43,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:09:43,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578421397] [2022-11-20 21:09:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:09:43,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:09:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:09:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:09:44,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:09:44,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578421397] [2022-11-20 21:09:44,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578421397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:09:44,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:09:44,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:09:44,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922386398] [2022-11-20 21:09:44,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:09:44,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:09:44,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:09:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:09:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:09:44,434 INFO L87 Difference]: Start difference. First operand 4227 states and 6726 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) [2022-11-20 21:09:50,507 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 [] [2022-11-20 21:09:51,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:09:51,776 INFO L93 Difference]: Finished difference Result 12666 states and 20291 transitions. [2022-11-20 21:09:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:09:51,777 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 [2022-11-20 21:09:51,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:09:51,841 INFO L225 Difference]: With dead ends: 12666 [2022-11-20 21:09:51,842 INFO L226 Difference]: Without dead ends: 8436 [2022-11-20 21:09:51,886 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 [2022-11-20 21:09:51,887 INFO L413 NwaCegarLoop]: 7830 mSDtfsCounter, 6721 mSDsluCounter, 6485 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6721 SdHoareTripleChecker+Valid, 14315 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-20 21:09:51,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6721 Valid, 14315 Invalid, 489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-11-20 21:09:51,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2022-11-20 21:09:53,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8432. [2022-11-20 21:09:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8432 states, 5750 states have (on average 1.438782608695652) internal successors, (8273), 5760 states have internal predecessors, (8273), 2579 states have call successors, (2579), 104 states have call predecessors, (2579), 102 states have return successors, (2653), 2571 states have call predecessors, (2653), 2573 states have call successors, (2653) [2022-11-20 21:09:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8432 states to 8432 states and 13505 transitions. [2022-11-20 21:09:53,823 INFO L78 Accepts]: Start accepts. Automaton has 8432 states and 13505 transitions. Word has length 9 [2022-11-20 21:09:53,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:09:53,823 INFO L495 AbstractCegarLoop]: Abstraction has 8432 states and 13505 transitions. [2022-11-20 21:09:53,823 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) [2022-11-20 21:09:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 8432 states and 13505 transitions. [2022-11-20 21:09:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 21:09:53,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:09:53,836 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] [2022-11-20 21:09:53,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:09:53,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:09:53,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:09:53,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1812760203, now seen corresponding path program 1 times [2022-11-20 21:09:53,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:09:53,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653566737] [2022-11-20 21:09:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:09:53,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:09:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:09:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:09:55,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:09:55,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653566737] [2022-11-20 21:09:55,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653566737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:09:55,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:09:55,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:09:55,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805721693] [2022-11-20 21:09:55,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:09:55,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:09:55,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:09:55,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:09:55,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:09:55,658 INFO L87 Difference]: Start difference. First operand 8432 states and 13505 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) [2022-11-20 21:09:59,473 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 [] [2022-11-20 21:10:01,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:10:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:10:05,499 INFO L93 Difference]: Finished difference Result 16969 states and 27376 transitions. [2022-11-20 21:10:05,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:10:05,499 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 [2022-11-20 21:10:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:10:05,564 INFO L225 Difference]: With dead ends: 16969 [2022-11-20 21:10:05,564 INFO L226 Difference]: Without dead ends: 8538 [2022-11-20 21:10:05,760 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 [2022-11-20 21:10:05,764 INFO L413 NwaCegarLoop]: 6435 mSDtfsCounter, 158 mSDsluCounter, 19152 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 25587 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:10:05,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 25587 Invalid, 1156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-20 21:10:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8538 states. [2022-11-20 21:10:07,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8538 to 8522. [2022-11-20 21:10:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8522 states, 5817 states have (on average 1.4361354650163314) internal successors, (8354), 5828 states have internal predecessors, (8354), 2599 states have call successors, (2599), 106 states have call predecessors, (2599), 105 states have return successors, (2692), 2591 states have call predecessors, (2692), 2593 states have call successors, (2692) [2022-11-20 21:10:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8522 states to 8522 states and 13645 transitions. [2022-11-20 21:10:07,327 INFO L78 Accepts]: Start accepts. Automaton has 8522 states and 13645 transitions. Word has length 53 [2022-11-20 21:10:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:10:07,328 INFO L495 AbstractCegarLoop]: Abstraction has 8522 states and 13645 transitions. [2022-11-20 21:10:07,328 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) [2022-11-20 21:10:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 8522 states and 13645 transitions. [2022-11-20 21:10:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 21:10:07,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:10:07,338 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] [2022-11-20 21:10:07,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 21:10:07,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:10:07,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:10:07,339 INFO L85 PathProgramCache]: Analyzing trace with hash -841384792, now seen corresponding path program 1 times [2022-11-20 21:10:07,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:10:07,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456963130] [2022-11-20 21:10:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:10:07,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:10:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:10:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:10:08,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:10:08,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456963130] [2022-11-20 21:10:08,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456963130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:10:08,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:10:08,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:10:08,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083995170] [2022-11-20 21:10:08,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:10:08,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:10:08,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:10:08,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:10:08,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:10:08,324 INFO L87 Difference]: Start difference. First operand 8522 states and 13645 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) [2022-11-20 21:10:10,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:10:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:10:12,770 INFO L93 Difference]: Finished difference Result 8524 states and 13646 transitions. [2022-11-20 21:10:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:10:12,771 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 [2022-11-20 21:10:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:10:12,815 INFO L225 Difference]: With dead ends: 8524 [2022-11-20 21:10:12,815 INFO L226 Difference]: Without dead ends: 8521 [2022-11-20 21:10:12,822 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 [2022-11-20 21:10:12,823 INFO L413 NwaCegarLoop]: 6459 mSDtfsCounter, 224 mSDsluCounter, 6256 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 12715 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:10:12,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 12715 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-20 21:10:12,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8521 states. [2022-11-20 21:10:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8521 to 8521. [2022-11-20 21:10:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8521 states, 5817 states have (on average 1.4357916451779267) internal successors, (8352), 5827 states have internal predecessors, (8352), 2598 states have call successors, (2598), 106 states have call predecessors, (2598), 105 states have return successors, (2692), 2591 states have call predecessors, (2692), 2593 states have call successors, (2692) [2022-11-20 21:10:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8521 states to 8521 states and 13642 transitions. [2022-11-20 21:10:14,549 INFO L78 Accepts]: Start accepts. Automaton has 8521 states and 13642 transitions. Word has length 54 [2022-11-20 21:10:14,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:10:14,550 INFO L495 AbstractCegarLoop]: Abstraction has 8521 states and 13642 transitions. [2022-11-20 21:10:14,550 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) [2022-11-20 21:10:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 8521 states and 13642 transitions. [2022-11-20 21:10:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 21:10:14,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:10:14,556 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] [2022-11-20 21:10:14,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 21:10:14,556 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:10:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:10:14,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1993532738, now seen corresponding path program 1 times [2022-11-20 21:10:14,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:10:14,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870641175] [2022-11-20 21:10:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:10:14,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:10:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:10:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:10:19,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:10:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870641175] [2022-11-20 21:10:19,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870641175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:10:19,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:10:19,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:10:19,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664327398] [2022-11-20 21:10:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:10:19,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:10:19,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:10:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:10:19,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:10:19,681 INFO L87 Difference]: Start difference. First operand 8521 states and 13642 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) [2022-11-20 21:10:24,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:10:24,097 INFO L93 Difference]: Finished difference Result 17045 states and 29138 transitions. [2022-11-20 21:10:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:10:24,098 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 [2022-11-20 21:10:24,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:10:24,149 INFO L225 Difference]: With dead ends: 17045 [2022-11-20 21:10:24,150 INFO L226 Difference]: Without dead ends: 8525 [2022-11-20 21:10:24,246 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 [2022-11-20 21:10:24,247 INFO L413 NwaCegarLoop]: 6455 mSDtfsCounter, 0 mSDsluCounter, 6452 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12907 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:10:24,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12907 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 21:10:24,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8525 states. [2022-11-20 21:10:26,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8525 to 8525. [2022-11-20 21:10:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8525 states, 5821 states have (on average 1.43549218347363) internal successors, (8356), 5831 states have internal predecessors, (8356), 2598 states have call successors, (2598), 106 states have call predecessors, (2598), 105 states have return successors, (2692), 2591 states have call predecessors, (2692), 2593 states have call successors, (2692) [2022-11-20 21:10:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8525 states to 8525 states and 13646 transitions. [2022-11-20 21:10:26,098 INFO L78 Accepts]: Start accepts. Automaton has 8525 states and 13646 transitions. Word has length 58 [2022-11-20 21:10:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:10:26,098 INFO L495 AbstractCegarLoop]: Abstraction has 8525 states and 13646 transitions. [2022-11-20 21:10:26,099 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) [2022-11-20 21:10:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 8525 states and 13646 transitions. [2022-11-20 21:10:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 21:10:26,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:10:26,102 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] [2022-11-20 21:10:26,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 21:10:26,102 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:10:26,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:10:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash -752838505, now seen corresponding path program 1 times [2022-11-20 21:10:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:10:26,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508767133] [2022-11-20 21:10:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:10:26,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:10:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:10:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:10:29,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:10:29,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508767133] [2022-11-20 21:10:29,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508767133] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:10:29,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609964813] [2022-11-20 21:10:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:10:29,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:10:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:10:29,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:10:30,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:10:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:10:33,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 8062 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 21:10:33,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:10:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:10:33,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:10:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:10:33,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609964813] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 21:10:33,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 21:10:33,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-20 21:10:33,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130311884] [2022-11-20 21:10:33,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:10:33,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:10:33,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:10:33,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:10:33,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:10:33,186 INFO L87 Difference]: Start difference. First operand 8525 states and 13646 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) [2022-11-20 21:10:37,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:10:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:10:39,421 INFO L93 Difference]: Finished difference Result 17053 states and 29146 transitions. [2022-11-20 21:10:39,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:10:39,427 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 [2022-11-20 21:10:39,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:10:39,489 INFO L225 Difference]: With dead ends: 17053 [2022-11-20 21:10:39,490 INFO L226 Difference]: Without dead ends: 8529 [2022-11-20 21:10:39,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:10:39,576 INFO L413 NwaCegarLoop]: 6453 mSDtfsCounter, 11 mSDsluCounter, 12895 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19348 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-20 21:10:39,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19348 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-20 21:10:39,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8529 states. [2022-11-20 21:10:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8529 to 8529. [2022-11-20 21:10:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8529 states, 5825 states have (on average 1.4351931330472103) internal successors, (8360), 5835 states have internal predecessors, (8360), 2598 states have call successors, (2598), 106 states have call predecessors, (2598), 105 states have return successors, (2692), 2591 states have call predecessors, (2692), 2593 states have call successors, (2692) [2022-11-20 21:10:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8529 states to 8529 states and 13650 transitions. [2022-11-20 21:10:41,379 INFO L78 Accepts]: Start accepts. Automaton has 8529 states and 13650 transitions. Word has length 59 [2022-11-20 21:10:41,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:10:41,380 INFO L495 AbstractCegarLoop]: Abstraction has 8529 states and 13650 transitions. [2022-11-20 21:10:41,380 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) [2022-11-20 21:10:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 8529 states and 13650 transitions. [2022-11-20 21:10:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 21:10:41,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:10:41,384 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] [2022-11-20 21:10:41,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 21:10:41,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:10:41,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:10:41,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:10:41,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1431020992, now seen corresponding path program 1 times [2022-11-20 21:10:41,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:10:41,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953069531] [2022-11-20 21:10:41,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:10:41,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:13:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:13:04,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:13:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:13:39,319 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:13:39,319 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:13:39,320 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 21:13:39,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 21:13:39,325 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:13:39,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:13:39,371 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,379 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,379 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,379 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,380 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,380 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,380 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,380 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,389 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,389 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,391 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,391 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,391 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,391 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,391 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-20 21:13:39,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-20 21:13:39,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-20 21:13:39,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-20 21:13:39,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:13:39 BoogieIcfgContainer [2022-11-20 21:13:39,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:13:39,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:13:39,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:13:39,530 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:13:39,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:26" (3/4) ... [2022-11-20 21:13:39,534 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:13:39,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:13:39,535 INFO L158 Benchmark]: Toolchain (without parser) took 284467.06ms. Allocated memory was 153.1MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 89.8MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-20 21:13:39,535 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 122.0MB in the end (delta: 77.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:13:39,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3598.50ms. Allocated memory was 153.1MB in the beginning and 312.5MB in the end (delta: 159.4MB). Free memory was 89.8MB in the beginning and 192.2MB in the end (delta: -102.4MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-11-20 21:13:39,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 692.69ms. Allocated memory is still 312.5MB. Free memory was 192.2MB in the beginning and 159.7MB in the end (delta: 32.5MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2022-11-20 21:13:39,537 INFO L158 Benchmark]: Boogie Preprocessor took 771.66ms. Allocated memory was 312.5MB in the beginning and 524.3MB in the end (delta: 211.8MB). Free memory was 159.7MB in the beginning and 351.0MB in the end (delta: -191.3MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2022-11-20 21:13:39,537 INFO L158 Benchmark]: RCFGBuilder took 26232.39ms. Allocated memory was 524.3MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 351.0MB in the beginning and 1.1GB in the end (delta: -786.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-20 21:13:39,538 INFO L158 Benchmark]: TraceAbstraction took 253156.07ms. Allocated memory was 2.0GB in the beginning and 4.6GB in the end (delta: 2.6GB). Free memory was 1.1GB in the beginning and 2.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-20 21:13:39,539 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 4.6GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:13:39,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 122.0MB in the end (delta: 77.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3598.50ms. Allocated memory was 153.1MB in the beginning and 312.5MB in the end (delta: 159.4MB). Free memory was 89.8MB in the beginning and 192.2MB in the end (delta: -102.4MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 692.69ms. Allocated memory is still 312.5MB. Free memory was 192.2MB in the beginning and 159.7MB in the end (delta: 32.5MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 771.66ms. Allocated memory was 312.5MB in the beginning and 524.3MB in the end (delta: 211.8MB). Free memory was 159.7MB in the beginning and 351.0MB in the end (delta: -191.3MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * RCFGBuilder took 26232.39ms. Allocated memory was 524.3MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 351.0MB in the beginning and 1.1GB in the end (delta: -786.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 253156.07ms. Allocated memory was 2.0GB in the beginning and 4.6GB in the end (delta: 2.6GB). Free memory was 1.1GB in the beginning and 2.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 4.6GB. Free memory is still 2.1GB. 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_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_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~mem4349#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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_#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#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~mem4349#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 * 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: 15918]: 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 4282. Possible FailurePath: [L3496] static unsigned int verbose ; [L3497] static struct stv090x_dev *stv090x_first_dev ; [L3573-L3625] 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}}; [L3626-L3681] 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}}; [L3682-L3696] 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}}; [L3697-L3858] 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}}; [L3859-L3958] 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}}; [L3959-L3991] 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}}; [L3992-L4015] 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}}; [L4016-L4030] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[14U] = { {4, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 30U}, {5, 47U, 63U, 46U, 47U, 61U, 15U, 14U, 46U, 61U, 14U}, {6, 47U, 63U, 46U, 47U, 14U, 15U, 14U, 30U, 61U, 61U}, {7, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {8, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {9, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {10, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {11, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {12, 60U, 62U, 28U, 46U, 12U, 30U, 43U, 45U, 27U, 29U}, {13, 29U, 62U, 60U, 46U, 44U, 30U, 12U, 45U, 43U, 29U}, {14, 14U, 62U, 61U, 46U, 13U, 30U, 44U, 45U, 12U, 29U}, {15, 46U, 62U, 30U, 46U, 45U, 30U, 60U, 45U, 44U, 29U}, {16, 62U, 62U, 30U, 46U, 61U, 30U, 13U, 45U, 60U, 29U}, {17, 62U, 62U, 30U, 46U, 61U, 30U, 29U, 45U, 13U, 29U}}; [L4031-L4045] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[14U] = { {4, 60U, 44U, 12U, 44U, 27U, 44U, 27U, 28U, 11U, 59U}, {5, 13U, 13U, 12U, 13U, 27U, 60U, 27U, 28U, 11U, 59U}, {6, 29U, 13U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {7, 29U, 29U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {8, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {9, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {10, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {11, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {12, 57U, 41U, 57U, 25U, 25U, 25U, 25U, 25U, 9U, 25U}, {13, 42U, 57U, 26U, 10U, 57U, 10U, 41U, 57U, 41U, 10U}, {14, 43U, 58U, 27U, 27U, 58U, 27U, 26U, 11U, 26U, 58U}, {15, 12U, 27U, 59U, 59U, 27U, 59U, 58U, 59U, 58U, 27U}, {16, 13U, 60U, 44U, 44U, 43U, 12U, 11U, 59U, 11U, 27U}, {17, 13U, 13U, 44U, 60U, 59U, 28U, 11U, 59U, 11U, 27U}}; [L4046-L4057] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[11U] = { {18, 12U, 12U, 12U, 12U, 29U, 12U, 60U, 12U, 44U, 12U}, {19, 12U, 12U, 12U, 12U, 14U, 12U, 45U, 12U, 29U, 12U}, {20, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {21, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {22, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {23, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {24, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {25, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {26, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {27, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {28, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}}; [L4058-L4069] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[11U] = { {18, 10U, 10U, 10U, 10U, 26U, 10U, 58U, 10U, 42U, 10U}, {19, 10U, 10U, 10U, 10U, 11U, 10U, 59U, 10U, 27U, 10U}, {20, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {21, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {22, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {23, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {24, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {25, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {26, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {27, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {28, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}}; [L4070-L4072] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[3U] = { {1, 15U, 63U, 14U, 63U, 45U, 47U, 45U, 31U, 61U, 62U}, {2, 15U, 63U, 14U, 63U, 45U, 47U, 61U, 15U, 61U, 46U}, {3, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 46U}}; [L4073-L4075] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[3U] = { {1, 12U, 60U, 11U, 60U, 42U, 44U, 42U, 28U, 58U, 59U}, {2, 12U, 60U, 11U, 60U, 42U, 44U, 58U, 12U, 58U, 43U}, {3, 28U, 60U, 27U, 60U, 58U, 28U, 58U, 59U, 58U, 43U}}; [L4076-L4079] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[4U] = { {0, 47U, 46U, 14U, 14U, 61U}, {1, 62U, 14U, 45U, 13U, 60U}, {2, 30U, 30U, 30U, 61U, 45U}, {3, 30U, 30U, 30U, 61U, 45U}}; [L4080-L4083] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[4U] = { {0, 44U, 43U, 11U, 11U, 58U}, {1, 59U, 11U, 42U, 10U, 57U}, {2, 27U, 27U, 27U, 58U, 42U}, {3, 27U, 27U, 27U, 58U, 42U}}; [L15490-L15525] 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}; [L15664] int LDV_IN_INTERRUPT ; [L15928] static int ldv_mutex_demod_lock_of_stv090x_internal ; [L16035] static int ldv_mutex_lock ; [L16142] static int ldv_mutex_mutex_of_device ; [L16249] static int ldv_mutex_tuner_lock_of_stv090x_internal ; [L15667] struct dvb_frontend *var_group1 ; [L15668] struct dvb_diseqc_master_cmd *var_group2 ; [L15669] fe_sec_mini_cmd_t var_stv090x_send_diseqc_burst_57_p1 ; [L15670] struct dvb_diseqc_slave_reply *var_group3 ; [L15671] fe_sec_tone_mode_t var_stv090x_set_tone_54_p1 ; [L15672] enum fe_status *var_stv090x_read_status_49_p1 ; [L15673] u32 *var_stv090x_read_per_50_p1 ; [L15674] u16 *var_stv090x_read_signal_strength_52_p1 ; [L15675] u16 *var_stv090x_read_cnr_53_p1 ; [L15676] int ldv_s_stv090x_ops_dvb_frontend_ops ; [L15677] int tmp ; [L15678] int tmp___0 ; [L15680] ldv_s_stv090x_ops_dvb_frontend_ops = 0 [L15681] LDV_IN_INTERRUPT = 1 [L15682] CALL ldv_initialize() [L16359] ldv_mutex_demod_lock_of_stv090x_internal = 1 [L16360] ldv_mutex_lock = 1 [L16361] ldv_mutex_mutex_of_device = 1 [L16362] ldv_mutex_tuner_lock_of_stv090x_internal = 1 [L15682] RET ldv_initialize() [L15748] tmp___0 = __VERIFIER_nondet_int() [L15749] COND TRUE tmp___0 != 0 || ldv_s_stv090x_ops_dvb_frontend_ops != 0 [L15685] tmp = __VERIFIER_nondet_int() [L15687] case 0: [L15695] case 1: VAL [LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=1, tmp___0=1, verbose={697:0}] [L15696] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=1, tmp___0=1, verbose={697:0}] [L15697] CALL stv090x_init(var_group1) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L15014] struct stv090x_state *state ; [L15015] struct stv090x_config const *config ; [L15016] u32 reg ; [L15017] int tmp ; [L15018] int tmp___0 ; [L15019] int tmp___1 ; [L15020] int tmp___2 ; [L15021] int tmp___3 ; [L15022] int tmp___4 ; [L15023] int tmp___5 ; [L15024] int tmp___6 ; [L15025] int tmp___7 ; [L15026] int tmp___8 ; [L15027] int tmp___9 ; [L15028] int tmp___10 ; [L15029] int tmp___11 ; [L15030] int tmp___12 ; [L15031] int tmp___13 ; [L15032] int tmp___14 ; [L15033] int tmp___15 ; [L15034] int tmp___16 ; [L15035] int tmp___17 ; [L15036] int tmp___18 ; [L15037] int tmp___19 ; [L15038] int tmp___20 ; [L15039] int tmp___21 ; [L15040] int tmp___22 ; [L15042] EXPR fe->demodulator_priv [L15042] state = (struct stv090x_state *)fe->demodulator_priv [L15043] EXPR state->config [L15043] config = state->config [L15044] EXPR state->internal [L15044] EXPR (state->internal)->mclk VAL [(state->internal)->mclk=0, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, config={718:-16}, fe={18446744073709550966:-2}, fe={18446744073709550966:-2}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state->internal={18446744073709550954:-324}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L15044] COND TRUE (state->internal)->mclk == 0 [L15045] CALL stv090x_i2c_gate_ctrl(state, 1) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4240] u32 reg ; [L4241] int tmp ; [L4242] int tmp___0 ; [L4243] int tmp___1 ; [L4244] int tmp___2 ; [L4245] int tmp___3 ; [L4246] int tmp___4 ; [L4247] int tmp___5 ; [L4248] int tmp___6 ; [L4249] int tmp___7 ; VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4251] COND TRUE enable != 0 [L4252] EXPR state->config [L4252] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={714:-713}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, state->config={718:-16}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4252-L4253] COND TRUE (unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0) [L4254] EXPR state->config [L4254] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={714:-713}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, state->config={718:-16}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4254] FCALL (*((state->config)->tuner_i2c_lock))(& state->frontend, 1) VAL [(state->config)->tuner_i2c_lock={714:-713}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, state->config={718:-16}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4260] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, state->demod=4294967298, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4260] COND TRUE (unsigned int )state->demod == 2U [L4261] CALL, EXPR stv090x_read_reg(state, 61739U) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4096] struct stv090x_config const *config ; [L4097] int ret ; [L4098] u8 b0[2U] ; [L4099] u8 buf ; [L4100] struct i2c_msg msg[2U] ; [L4101] long tmp ; [L4103] EXPR state->config [L4103] config = state->config [L4104] b0[0] = (unsigned char )(reg >> 8) [L4105] b0[1] = (unsigned char )reg [L4106] EXPR config->address [L4106] msg[0].addr = (unsigned short )config->address [L4107] msg[0].flags = 0U [L4108] msg[0].len = 2U [L4109] msg[0].buf = (__u8 *)(& b0) [L4110] EXPR config->address [L4110] msg[1].addr = (unsigned short )config->address [L4111] msg[1].flags = 1U [L4112] msg[1].len = 1U [L4113] msg[1].buf = & buf [L4114] EXPR state->i2c VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, b0={718:0}, buf={735:0}, config={718:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, msg={719:0}, reg=61739, state={739:-28}, state={739:-28}, state->i2c={18446744073709550943:18446744073709550941}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4114] CALL, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(arg2)=2, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, arg0={18446744073709550943:18446744073709550941}, arg1={719:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L16393] return __VERIFIER_nondet_int(); [L4114] RET, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, b0={718:0}, buf={735:0}, config={718:-16}, i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2)=-512, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, msg={719:0}, reg=61739, state={739:-28}, state={739:-28}, state->i2c={18446744073709550943:18446744073709550941}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4114] ret = i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) [L4115] COND TRUE ret != 2 [L4116] COND FALSE !(ret != -512) [L4136] return (ret < 0 ? ret : -121); [L4136] return (ret < 0 ? ret : -121); [L4136] return (ret < 0 ? ret : -121); [L4136] return (ret < 0 ? ret : -121); VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, \read(verbose)=18446744073709550952, \read(verbose)=18446744073709550968, \read(verbose)=18446744073709550944, \read(verbose)=18446744073709550982, \result=-512, config={718:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550978, printk("\017%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550919, printk("\r%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550906, printk("\v%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550924, reg=61739, ret=-512, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}, verbose != 0U && verbose != 0U=0, verbose > 1U && verbose != 0U=0, verbose > 2U && verbose != 0U=0, verbose > 3U && verbose != 0U=0] [L4261] RET, EXPR stv090x_read_reg(state, 61739U) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_read_reg(state, 61739U)=-512, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4261] tmp = stv090x_read_reg(state, 61739U) [L4262] tmp___1 = tmp VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=-512, tmp___1=-512, verbose={697:0}] [L4267] reg = (u32 )tmp___1 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=4294966784, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=-512, tmp___1=-512, verbose={697:0}] [L4268] COND TRUE enable != 0 [L4269] EXPR \read(verbose) [L4269] verbose != 0U && verbose > 3U [L4269] COND FALSE !(verbose != 0U && verbose > 3U) [L4272] EXPR \read(verbose) [L4272] verbose > 1U && verbose > 3U [L4272] COND FALSE !(verbose > 1U && verbose > 3U) [L4275] EXPR \read(verbose) [L4275] verbose > 2U && verbose > 3U [L4275] COND FALSE !(verbose > 2U && verbose > 3U) [L4278] EXPR \read(verbose) [L4278] verbose > 3U && verbose > 3U [L4278] COND FALSE !(verbose > 3U && verbose > 3U) [L4282] reg = reg | 128U [L4283] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550922, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550904, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550976, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550934, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550939, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550935, reg=1024, state={739:-28}, state={739:-28}, state->demod=4294967298, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=-512, tmp___1=-512, verbose={697:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4283] COND TRUE (unsigned int )state->demod == 2U [L4284] CALL, EXPR stv090x_write_reg(state, 61739U, (int )((u8 )reg)) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L4232] int tmp ; [L4234] CALL, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4163] struct stv090x_config const *config ; [L4164] int ret ; [L4165] u8 *buf ; [L4166] unsigned long __lengthofbuf ; [L4167] void *tmp ; [L4168] struct i2c_msg i2c_msg ; [L4169] size_t __len ; [L4170] void *__ret ; [L4171] int i ; [L4172] long tmp___0 ; [L4174] EXPR state->config [L4174] config = state->config [L4175] __lengthofbuf = (unsigned long )((long )(count + 2U)) [L4176] tmp = __builtin_alloca(sizeof(*buf) * __lengthofbuf) [L4177] buf = (u8 *)tmp [L4178] EXPR config->address [L4178] i2c_msg.addr = (unsigned short )config->address [L4179] i2c_msg.flags = 0U [L4180] i2c_msg.len = (unsigned int )((unsigned short )count) + 2U [L4181] i2c_msg.buf = (__u8 *)(& buf) [L4182] EXPR \read(*buf) [L4182] *(buf + 0) = (u8 )(reg >> 8) [L4183] EXPR \read(*buf) [L4183] *(buf + 1) = (u8 )reg [L4184] __len = (size_t )count [L4185] EXPR, FCALL memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4185] __ret = memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4186] EXPR state->verbose VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={738:0}, __len=1, __lengthofbuf=3, __ret={718:2}, buf={718:0}, config={718:-16}, count=1, data={719:0}, data={719:0}, i2c_msg={739:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={739:-28}, state={739:-28}, state->verbose=1, state->verbose={18446744073709550946:18446744073709550960}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp={738:0}, verbose={697:0}] [L4186] CALL, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(c)=0, \old(exp)=0, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L15925] return (exp); [L4186] RET, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={738:0}, __len=1, __lengthofbuf=3, __ret={718:2}, buf={718:0}, config={718:-16}, count=1, data={719:0}, data={719:0}, i2c_msg={739:0}, ldv__builtin_expect(*(state->verbose) > 3U, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={739:-28}, state={739:-28}, state->verbose={18446744073709550946:18446744073709550960}, state->verbose=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp={738:0}, verbose={697:0}] [L4186] tmp___0 = ldv__builtin_expect(*(state->verbose) > 3U, 0L) [L4187] COND FALSE !(tmp___0 != 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={738:0}, __len=1, __lengthofbuf=3, __ret={718:2}, buf={718:0}, config={718:-16}, count=1, data={719:0}, data={719:0}, i2c_msg={739:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp={738:0}, tmp___0=0, verbose={697:0}] [L4202] EXPR state->i2c VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={738:0}, __len=1, __lengthofbuf=3, __ret={718:2}, buf={718:0}, config={718:-16}, count=1, data={719:0}, data={719:0}, i2c_msg={739:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={739:-28}, state={739:-28}, state->i2c={18446744073709550943:18446744073709550941}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp={738:0}, tmp___0=0, verbose={697:0}] [L4202] CALL, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(arg2)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, arg0={18446744073709550943:18446744073709550941}, arg1={739:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L16393] return __VERIFIER_nondet_int(); [L4202] RET, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={738:0}, __len=1, __lengthofbuf=3, __ret={718:2}, buf={718:0}, config={718:-16}, count=1, data={719:0}, data={719:0}, i2c_msg={739:0}, i2c_transfer(state->i2c, & i2c_msg, 1)=715, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={739:-28}, state={739:-28}, state->i2c={18446744073709550943:18446744073709550941}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp={738:0}, tmp___0=0, verbose={697:0}] [L4202] ret = i2c_transfer(state->i2c, & i2c_msg, 1) [L4203] COND TRUE ret != 1 [L4204] COND TRUE ret != -512 [L4205] EXPR \read(verbose) [L4205] verbose != 0U && verbose != 0U [L4205] COND FALSE !(verbose != 0U && verbose != 0U) [L4209] EXPR \read(verbose) [L4209] verbose > 1U && verbose != 0U [L4209] COND FALSE !(verbose > 1U && verbose != 0U) [L4213] EXPR \read(verbose) [L4213] verbose > 2U && verbose != 0U [L4213] COND FALSE !(verbose > 2U && verbose != 0U) [L4217] EXPR \read(verbose) [L4217] verbose > 3U && verbose != 0U [L4217] COND FALSE !(verbose > 3U && verbose != 0U) [L4224] return (ret < 0 ? ret : -121); [L4224] return (ret < 0 ? ret : -121); [L4224] return (ret < 0 ? ret : -121); [L4234] RET, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4234] tmp = stv090x_write_regs(state, reg, & data, 1U) [L4235] return (tmp); [L4235] return (tmp); [L4284] RET, EXPR stv090x_write_reg(state, 61739U, (int )((u8 )reg)) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550922, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550904, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550976, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550934, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550939, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550935, reg=1024, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, stv090x_write_reg(state, 61739U, (int )((u8 )reg))=-121, tmp=-512, tmp___1=-512, verbose={697:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4284] tmp___2 = stv090x_write_reg(state, 61739U, (int )((u8 )reg)) [L4285] tmp___4 = tmp___2 < 0 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550922, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550904, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550976, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550934, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550939, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550935, reg=1024, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=-512, tmp___1=-512, tmp___2=-121, tmp___4=1, verbose={697:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4290] COND TRUE \read(tmp___4) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550922, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550904, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550976, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550934, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550939, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550935, reg=1024, state={739:-28}, state={739:-28}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=-512, tmp___1=-512, tmp___2=-121, tmp___4=1, verbose={697:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4332] EXPR \read(verbose) [L4332] verbose != 0U && verbose != 0U [L4332] COND FALSE !(verbose != 0U && verbose != 0U) [L4335] EXPR \read(verbose) [L4335] verbose > 1U && verbose != 0U [L4335] COND FALSE !(verbose > 1U && verbose != 0U) [L4338] EXPR \read(verbose) [L4338] verbose > 2U && verbose != 0U [L4338] COND FALSE !(verbose > 2U && verbose != 0U) [L4341] EXPR \read(verbose) [L4341] verbose > 3U && verbose != 0U [L4341] COND FALSE !(verbose > 3U && verbose != 0U) [L4345] EXPR state->config [L4345] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={18446744073709550900:716}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550951, \read(verbose)=18446744073709550975, \read(verbose)=18446744073709550904, \read(verbose)=18446744073709550922, \read(verbose)=18446744073709550963, \read(verbose)=18446744073709550917, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550976, printk("\016%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550930, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550934, printk("\017%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550927, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550939, printk("\r%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550903, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550935, printk("\v%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550931, reg=1024, state={739:-28}, state={739:-28}, state->config={18446744073709550950:-135}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, tmp=-512, tmp___1=-512, tmp___2=-121, tmp___4=1, verbose={697:0}, 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] [L4345-L4346] COND FALSE !((unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0)) [L4349] EXPR state->internal [L4349] CALL ldv_mutex_unlock_8(& (state->internal)->tuner_lock) [L15821] CALL ldv_mutex_unlock_tuner_lock_of_stv090x_internal(ldv_func_arg1) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, lock={18446744073709550954:-159}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L16348] COND FALSE !(ldv_mutex_tuner_lock_of_stv090x_internal == 2) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, lock={18446744073709550954:-159}, lock={18446744073709550954:-159}, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L16350] CALL ldv_error() VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] [L15918] reach_error() VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={703:0}, stv0900_initval={701:0}, stv0903_cut20_val={704:0}, stv0903_initval={702:0}, stv090x_first_dev={0:0}, stv090x_ops={713:0}, stv090x_rf_tab={700:0}, stv090x_s1cn_tab={698:0}, stv090x_s2_apsk_crl_cut20={707:0}, stv090x_s2_apsk_crl_cut30={708:0}, stv090x_s2_crl_cut20={705:0}, stv090x_s2_crl_cut30={706:0}, stv090x_s2_lowqpsk_crl_cut20={709:0}, stv090x_s2_lowqpsk_crl_cut30={710:0}, stv090x_s2_short_crl_cut20={711:0}, stv090x_s2_short_crl_cut30={712:0}, stv090x_s2cn_tab={699:0}, verbose={697:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 4209 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 252.9s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 43.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 27037 SdHoareTripleChecker+Valid, 39.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26991 mSDsluCounter, 104473 SdHoareTripleChecker+Invalid, 38.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51460 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4009 IncrementalHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 53013 mSDtfsCounter, 4009 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8529occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 149.8s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8062 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 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 [2022-11-20 21:13:39,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9 --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 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- 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-6b4ec56 [2022-11-20 21:13:42,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:13:42,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:13:42,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:13:42,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:13:42,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:13:42,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:13:42,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:13:42,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:13:42,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:13:42,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:13:42,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:13:42,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:13:42,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:13:42,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:13:42,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:13:42,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:13:42,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:13:42,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:13:42,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:13:42,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:13:42,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:13:42,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:13:42,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:13:42,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:13:42,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:13:42,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:13:42,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:13:42,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:13:42,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:13:42,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:13:42,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:13:42,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:13:42,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:13:42,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:13:42,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:13:42,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:13:42,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:13:42,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:13:42,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:13:42,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:13:42,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 21:13:42,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:13:42,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:13:42,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:13:42,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:13:42,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:13:42,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:13:42,379 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:13:42,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:13:42,380 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:13:42,380 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:13:42,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:13:42,381 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:13:42,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:13:42,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:13:42,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:13:42,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:13:42,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:13:42,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:13:42,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:13:42,384 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:13:42,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:13:42,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:13:42,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:13:42,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:13:42,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:13:42,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:13:42,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:13:42,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:13:42,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:13:42,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:13:42,386 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:13:42,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:13:42,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:13:42,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:13:42,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:13:42,387 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2022-11-20 21:13:42,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:13:42,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:13:42,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:13:42,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:13:42,775 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:13:42,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-20 21:13:45,912 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:13:46,619 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:13:46,620 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-20 21:13:46,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data/2551a45f8/49a1d5181a59476fb03a5fe5b6e329fc/FLAGab1d831d2 [2022-11-20 21:13:46,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/data/2551a45f8/49a1d5181a59476fb03a5fe5b6e329fc [2022-11-20 21:13:46,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:13:46,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:13:46,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:13:46,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:13:46,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:13:46,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:13:46" (1/1) ... [2022-11-20 21:13:46,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64084fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:46, skipping insertion in model container [2022-11-20 21:13:46,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:13:46" (1/1) ... [2022-11-20 21:13:46,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:13:46,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:13:49,258 WARN L237 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-20 21:13:49,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:13:49,474 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 21:13:49,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:13:50,320 WARN L237 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-20 21:13:50,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:13:50,374 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:13:50,941 WARN L237 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_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-20 21:13:50,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:13:51,074 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:13:51,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51 WrapperNode [2022-11-20 21:13:51,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:13:51,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:13:51,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:13:51,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:13:51,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:51,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:51,639 INFO L138 Inliner]: procedures = 180, calls = 6963, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 15729 [2022-11-20 21:13:51,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:13:51,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:13:51,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:13:51,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:13:51,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:51,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:51,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:51,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:52,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:52,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:52,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:52,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:52,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:13:52,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:13:52,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:13:52,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:13:52,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (1/1) ... [2022-11-20 21:13:52,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:13:52,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:13:52,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:13:52,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:13:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-20 21:13:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-20 21:13:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-20 21:13:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-20 21:13:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 21:13:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 21:13:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 21:13:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-20 21:13:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-20 21:13:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-20 21:13:52,596 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-20 21:13:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 21:13:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 21:13:52,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 21:13:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-20 21:13:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-20 21:13:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-20 21:13:52,597 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-20 21:13:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-20 21:13:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-20 21:13:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-20 21:13:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-20 21:13:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 21:13:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 21:13:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-20 21:13:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-20 21:13:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 21:13:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 21:13:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-20 21:13:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-20 21:13:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-20 21:13:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-20 21:13:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 21:13:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 21:13:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-20 21:13:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-20 21:13:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-20 21:13:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-20 21:13:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 21:13:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 21:13:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 21:13:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-20 21:13:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-20 21:13:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-20 21:13:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-20 21:13:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 21:13:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 21:13:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-20 21:13:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-20 21:13:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-20 21:13:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-20 21:13:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 21:13:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 21:13:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 21:13:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 21:13:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-20 21:13:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-20 21:13:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-20 21:13:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-20 21:13:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 21:13:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 21:13:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-20 21:13:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-20 21:13:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:13:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:13:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:13:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-20 21:13:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-20 21:13:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-20 21:13:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-20 21:13:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 21:13:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 21:13:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 21:13:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-20 21:13:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-20 21:13:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-20 21:13:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-20 21:13:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 21:13:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:13:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-20 21:13:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-20 21:13:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-20 21:13:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-20 21:13:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-20 21:13:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-20 21:13:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-20 21:13:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-20 21:13:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-20 21:13:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-20 21:13:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 21:13:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 21:13:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 21:13:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:13:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 21:13:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-20 21:13:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-20 21:13:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 21:13:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-20 21:13:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-20 21:13:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 21:13:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 21:13:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-20 21:13:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-20 21:13:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-20 21:13:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-20 21:13:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-20 21:13:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-20 21:13:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-20 21:13:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-20 21:13:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 21:13:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-20 21:13:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-20 21:13:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-20 21:13:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-20 21:13:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-20 21:13:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-20 21:13:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:13:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:13:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-20 21:13:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-20 21:13:53,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:13:53,995 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:14:43,645 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:14:43,703 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:14:43,703 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:14:43,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:14:43 BoogieIcfgContainer [2022-11-20 21:14:43,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:14:43,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:14:43,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:14:43,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:14:43,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:13:46" (1/3) ... [2022-11-20 21:14:43,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62737a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:14:43, skipping insertion in model container [2022-11-20 21:14:43,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:13:51" (2/3) ... [2022-11-20 21:14:43,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62737a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:14:43, skipping insertion in model container [2022-11-20 21:14:43,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:14:43" (3/3) ... [2022-11-20 21:14:43,723 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-20 21:14:43,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:14:43,743 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:14:43,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:14:43,913 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;@115744ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:14:43,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:14:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 5285 states, 3942 states have (on average 1.5273972602739727) internal successors, (6021), 3954 states have internal predecessors, (6021), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) [2022-11-20 21:14:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:14:43,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:14:43,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:14:43,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:14:43,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:14:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1382088780, now seen corresponding path program 1 times [2022-11-20 21:14:43,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:14:43,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650317121] [2022-11-20 21:14:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:14:43,987 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 [2022-11-20 21:14:43,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:14:43,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:14:44,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:14:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:14:51,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 4901 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:14:51,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:14:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:14:51,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:14:51,676 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:14:51,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650317121] [2022-11-20 21:14:51,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650317121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:14:51,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:14:51,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:14:51,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703426671] [2022-11-20 21:14:51,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:14:51,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:14:51,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:14:51,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:14:51,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:14:51,774 INFO L87 Difference]: Start difference. First operand has 5285 states, 3942 states have (on average 1.5273972602739727) internal successors, (6021), 3954 states have internal predecessors, (6021), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) 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) [2022-11-20 21:14:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:14:52,951 INFO L93 Difference]: Finished difference Result 10628 states and 17359 transitions. [2022-11-20 21:14:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:14:52,954 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 [2022-11-20 21:14:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:14:53,020 INFO L225 Difference]: With dead ends: 10628 [2022-11-20 21:14:53,021 INFO L226 Difference]: Without dead ends: 5342 [2022-11-20 21:14:53,091 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 [2022-11-20 21:14:53,094 INFO L413 NwaCegarLoop]: 8595 mSDtfsCounter, 8327 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8327 SdHoareTripleChecker+Valid, 8948 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:14:53,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8327 Valid, 8948 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:14:53,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2022-11-20 21:14:54,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5340. [2022-11-20 21:14:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5340 states, 3992 states have (on average 1.528056112224449) internal successors, (6100), 4000 states have internal predecessors, (6100), 1295 states have call successors, (1295), 53 states have call predecessors, (1295), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-20 21:14:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5340 states to 5340 states and 8684 transitions. [2022-11-20 21:14:54,913 INFO L78 Accepts]: Start accepts. Automaton has 5340 states and 8684 transitions. Word has length 8 [2022-11-20 21:14:54,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:14:54,913 INFO L495 AbstractCegarLoop]: Abstraction has 5340 states and 8684 transitions. [2022-11-20 21:14:54,914 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) [2022-11-20 21:14:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 8684 transitions. [2022-11-20 21:14:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 21:14:54,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:14:54,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:14:55,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:14:55,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:14:55,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:14:55,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:14:55,117 INFO L85 PathProgramCache]: Analyzing trace with hash -107421905, now seen corresponding path program 1 times [2022-11-20 21:14:55,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:14:55,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016990805] [2022-11-20 21:14:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:14:55,126 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 [2022-11-20 21:14:55,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:14:55,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:14:55,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:02,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 4902 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:15:02,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:15:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:02,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:15:02,822 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:15:02,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016990805] [2022-11-20 21:15:02,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016990805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:02,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:02,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:15:02,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558075232] [2022-11-20 21:15:02,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:02,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:15:02,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:15:02,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:15:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:15:02,833 INFO L87 Difference]: Start difference. First operand 5340 states and 8684 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) [2022-11-20 21:15:03,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:03,608 INFO L93 Difference]: Finished difference Result 5342 states and 8685 transitions. [2022-11-20 21:15:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:15:03,609 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 [2022-11-20 21:15:03,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:03,667 INFO L225 Difference]: With dead ends: 5342 [2022-11-20 21:15:03,667 INFO L226 Difference]: Without dead ends: 5339 [2022-11-20 21:15:03,674 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 [2022-11-20 21:15:03,676 INFO L413 NwaCegarLoop]: 8586 mSDtfsCounter, 8581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8581 SdHoareTripleChecker+Valid, 8586 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 [2022-11-20 21:15:03,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8581 Valid, 8586 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:15:03,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2022-11-20 21:15:04,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 5339. [2022-11-20 21:15:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 3992 states have (on average 1.527805611222445) internal successors, (6099), 3999 states have internal predecessors, (6099), 1294 states have call successors, (1294), 53 states have call predecessors, (1294), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-20 21:15:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 8682 transitions. [2022-11-20 21:15:04,951 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 8682 transitions. Word has length 9 [2022-11-20 21:15:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:04,954 INFO L495 AbstractCegarLoop]: Abstraction has 5339 states and 8682 transitions. [2022-11-20 21:15:04,955 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) [2022-11-20 21:15:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 8682 transitions. [2022-11-20 21:15:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 21:15:04,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:04,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:15:05,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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)] Ended with exit code 0 [2022-11-20 21:15:05,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:05,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:05,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:05,172 INFO L85 PathProgramCache]: Analyzing trace with hash 962391983, now seen corresponding path program 1 times [2022-11-20 21:15:05,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:15:05,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129293702] [2022-11-20 21:15:05,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:05,188 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 [2022-11-20 21:15:05,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:15:05,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:15:05,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:12,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 4903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:15:12,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:15:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:12,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:15:12,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:15:12,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129293702] [2022-11-20 21:15:12,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129293702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:12,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:12,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:15:12,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539774950] [2022-11-20 21:15:12,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:12,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:15:12,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:15:12,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:15:12,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:15:12,741 INFO L87 Difference]: Start difference. First operand 5339 states and 8682 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) [2022-11-20 21:15:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:13,430 INFO L93 Difference]: Finished difference Result 5341 states and 8683 transitions. [2022-11-20 21:15:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:15:13,431 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 [2022-11-20 21:15:13,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:13,489 INFO L225 Difference]: With dead ends: 5341 [2022-11-20 21:15:13,489 INFO L226 Difference]: Without dead ends: 5338 [2022-11-20 21:15:13,496 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 [2022-11-20 21:15:13,500 INFO L413 NwaCegarLoop]: 8584 mSDtfsCounter, 8578 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8578 SdHoareTripleChecker+Valid, 8584 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 [2022-11-20 21:15:13,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8578 Valid, 8584 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:15:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5338 states. [2022-11-20 21:15:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5338 to 5338. [2022-11-20 21:15:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5338 states, 3992 states have (on average 1.527555110220441) internal successors, (6098), 3998 states have internal predecessors, (6098), 1293 states have call successors, (1293), 53 states have call predecessors, (1293), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-20 21:15:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5338 states to 5338 states and 8680 transitions. [2022-11-20 21:15:14,701 INFO L78 Accepts]: Start accepts. Automaton has 5338 states and 8680 transitions. Word has length 10 [2022-11-20 21:15:14,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:14,701 INFO L495 AbstractCegarLoop]: Abstraction has 5338 states and 8680 transitions. [2022-11-20 21:15:14,702 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) [2022-11-20 21:15:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5338 states and 8680 transitions. [2022-11-20 21:15:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 21:15:14,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:14,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:15:14,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:14,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:14,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash -233110990, now seen corresponding path program 1 times [2022-11-20 21:15:14,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:15:14,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850687604] [2022-11-20 21:15:14,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:14,924 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 [2022-11-20 21:15:14,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:15:14,926 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:15:14,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:22,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 4904 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 21:15:22,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:15:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:22,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:15:22,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:15:22,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850687604] [2022-11-20 21:15:22,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850687604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:22,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:22,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:15:22,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868912906] [2022-11-20 21:15:22,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:22,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:15:22,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:15:22,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:15:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:15:22,137 INFO L87 Difference]: Start difference. First operand 5338 states and 8680 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) [2022-11-20 21:15:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:23,495 INFO L93 Difference]: Finished difference Result 15992 states and 26146 transitions. [2022-11-20 21:15:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:15:23,496 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 [2022-11-20 21:15:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:23,644 INFO L225 Difference]: With dead ends: 15992 [2022-11-20 21:15:23,644 INFO L226 Difference]: Without dead ends: 10653 [2022-11-20 21:15:23,721 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 [2022-11-20 21:15:23,723 INFO L413 NwaCegarLoop]: 9979 mSDtfsCounter, 8606 mSDsluCounter, 8606 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8606 SdHoareTripleChecker+Valid, 18585 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 [2022-11-20 21:15:23,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8606 Valid, 18585 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:15:23,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10653 states. [2022-11-20 21:15:26,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10653 to 10649. [2022-11-20 21:15:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10649 states, 7967 states have (on average 1.5283042550520898) internal successors, (12176), 7977 states have internal predecessors, (12176), 2579 states have call successors, (2579), 104 states have call predecessors, (2579), 102 states have return successors, (2653), 2571 states have call predecessors, (2653), 2573 states have call successors, (2653) [2022-11-20 21:15:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10649 states to 10649 states and 17408 transitions. [2022-11-20 21:15:26,128 INFO L78 Accepts]: Start accepts. Automaton has 10649 states and 17408 transitions. Word has length 11 [2022-11-20 21:15:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:26,129 INFO L495 AbstractCegarLoop]: Abstraction has 10649 states and 17408 transitions. [2022-11-20 21:15:26,129 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) [2022-11-20 21:15:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 10649 states and 17408 transitions. [2022-11-20 21:15:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 21:15:26,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:26,145 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] [2022-11-20 21:15:26,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:26,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:26,359 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:26,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash 905480995, now seen corresponding path program 1 times [2022-11-20 21:15:26,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:15:26,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868813271] [2022-11-20 21:15:26,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:26,365 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 [2022-11-20 21:15:26,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:15:26,366 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:15:26,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:33,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 5392 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 21:15:34,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:15:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:34,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:15:34,108 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:15:34,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868813271] [2022-11-20 21:15:34,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868813271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:34,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:34,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:15:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424188720] [2022-11-20 21:15:34,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:34,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:15:34,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:15:34,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:15:34,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:15:34,112 INFO L87 Difference]: Start difference. First operand 10649 states and 17408 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-20 21:15:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:35,651 INFO L93 Difference]: Finished difference Result 21398 states and 35062 transitions. [2022-11-20 21:15:35,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:15:35,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2022-11-20 21:15:35,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:35,727 INFO L225 Difference]: With dead ends: 21398 [2022-11-20 21:15:35,727 INFO L226 Difference]: Without dead ends: 10752 [2022-11-20 21:15:35,818 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 [2022-11-20 21:15:35,819 INFO L413 NwaCegarLoop]: 8580 mSDtfsCounter, 127 mSDsluCounter, 17109 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 25689 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:15:35,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 25689 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:15:35,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10752 states. [2022-11-20 21:15:37,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10752 to 10750. [2022-11-20 21:15:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10750 states, 8051 states have (on average 1.5281331511613465) internal successors, (12303), 8061 states have internal predecessors, (12303), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 104 states have return successors, (2668), 2586 states have call predecessors, (2668), 2588 states have call successors, (2668) [2022-11-20 21:15:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10750 states to 10750 states and 17565 transitions. [2022-11-20 21:15:37,911 INFO L78 Accepts]: Start accepts. Automaton has 10750 states and 17565 transitions. Word has length 68 [2022-11-20 21:15:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:37,912 INFO L495 AbstractCegarLoop]: Abstraction has 10750 states and 17565 transitions. [2022-11-20 21:15:37,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-20 21:15:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 10750 states and 17565 transitions. [2022-11-20 21:15:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 21:15:37,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:37,921 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] [2022-11-20 21:15:38,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:38,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:38,135 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash 845521871, now seen corresponding path program 1 times [2022-11-20 21:15:38,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:15:38,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017460605] [2022-11-20 21:15:38,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:38,142 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 [2022-11-20 21:15:38,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:15:38,144 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:15:38,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:47,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 5416 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 21:15:47,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:15:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:15:47,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:15:47,966 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:15:47,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017460605] [2022-11-20 21:15:47,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017460605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:47,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:47,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:15:47,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819793714] [2022-11-20 21:15:47,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:47,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:15:47,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:15:47,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:15:47,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:15:47,969 INFO L87 Difference]: Start difference. First operand 10750 states and 17565 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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), 2 states have call successors, (7) [2022-11-20 21:15:49,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:51,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:53,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:54,815 INFO L93 Difference]: Finished difference Result 21501 states and 36963 transitions. [2022-11-20 21:15:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:15:54,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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), 2 states have call successors, (7) Word has length 77 [2022-11-20 21:15:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:54,918 INFO L225 Difference]: With dead ends: 21501 [2022-11-20 21:15:54,918 INFO L226 Difference]: Without dead ends: 10754 [2022-11-20 21:15:55,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:15:55,153 INFO L413 NwaCegarLoop]: 8584 mSDtfsCounter, 0 mSDsluCounter, 8580 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17164 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:15:55,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17164 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-20 21:15:55,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10754 states. [2022-11-20 21:15:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10754 to 10754. [2022-11-20 21:15:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 8055 states have (on average 1.527870887647424) internal successors, (12307), 8065 states have internal predecessors, (12307), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 104 states have return successors, (2668), 2586 states have call predecessors, (2668), 2588 states have call successors, (2668) [2022-11-20 21:15:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 17569 transitions. [2022-11-20 21:15:57,135 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 17569 transitions. Word has length 77 [2022-11-20 21:15:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:57,138 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 17569 transitions. [2022-11-20 21:15:57,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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), 2 states have call successors, (7) [2022-11-20 21:15:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 17569 transitions. [2022-11-20 21:15:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 21:15:57,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:57,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:15:57,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:57,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:15:57,371 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:57,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:57,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1770687193, now seen corresponding path program 1 times [2022-11-20 21:15:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:15:57,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441087628] [2022-11-20 21:15:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:57,379 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 [2022-11-20 21:15:57,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:15:57,380 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:15:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:16:07,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 5518 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 21:16:07,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:16:07,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 21:16:07,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:16:07,681 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:16:07,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441087628] [2022-11-20 21:16:07,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441087628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:16:07,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:16:07,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:16:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731652683] [2022-11-20 21:16:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:16:07,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:16:07,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:16:07,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:16:07,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:16:07,685 INFO L87 Difference]: Start difference. First operand 10754 states and 17569 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 21:16:09,733 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 [] [2022-11-20 21:16:11,766 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 [] [2022-11-20 21:16:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:16:12,807 INFO L93 Difference]: Finished difference Result 21509 states and 36971 transitions. [2022-11-20 21:16:12,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:16:12,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2022-11-20 21:16:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:16:12,925 INFO L225 Difference]: With dead ends: 21509 [2022-11-20 21:16:12,925 INFO L226 Difference]: Without dead ends: 10758 [2022-11-20 21:16:13,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:16:13,097 INFO L413 NwaCegarLoop]: 8581 mSDtfsCounter, 36 mSDsluCounter, 17124 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 25705 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:16:13,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 25705 Invalid, 9 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-11-20 21:16:13,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10758 states. [2022-11-20 21:16:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 10758. [2022-11-20 21:16:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10758 states, 8059 states have (on average 1.5276088844769822) internal successors, (12311), 8069 states have internal predecessors, (12311), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 104 states have return successors, (2668), 2586 states have call predecessors, (2668), 2588 states have call successors, (2668) [2022-11-20 21:16:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10758 states to 10758 states and 17573 transitions. [2022-11-20 21:16:15,409 INFO L78 Accepts]: Start accepts. Automaton has 10758 states and 17573 transitions. Word has length 78 [2022-11-20 21:16:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:16:15,410 INFO L495 AbstractCegarLoop]: Abstraction has 10758 states and 17573 transitions. [2022-11-20 21:16:15,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 21:16:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 10758 states and 17573 transitions. [2022-11-20 21:16:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 21:16:15,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:16:15,416 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] [2022-11-20 21:16:15,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:15,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:15,633 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:16:15,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:16:15,634 INFO L85 PathProgramCache]: Analyzing trace with hash 409169809, now seen corresponding path program 1 times [2022-11-20 21:16:15,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:16:15,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81539330] [2022-11-20 21:16:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:16:15,643 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 [2022-11-20 21:16:15,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:16:15,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:16:15,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:16:26,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 5531 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 21:16:26,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:16:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:16:26,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:16:26,182 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:16:26,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81539330] [2022-11-20 21:16:26,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81539330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:16:26,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:16:26,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 21:16:26,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131392791] [2022-11-20 21:16:26,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:16:26,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:16:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:16:26,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:16:26,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:16:26,185 INFO L87 Difference]: Start difference. First operand 10758 states and 17573 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) [2022-11-20 21:16:28,229 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 [] [2022-11-20 21:16:34,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:16:34,560 INFO L93 Difference]: Finished difference Result 21555 states and 37063 transitions. [2022-11-20 21:16:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:16:34,561 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 [2022-11-20 21:16:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:16:34,696 INFO L225 Difference]: With dead ends: 21555 [2022-11-20 21:16:34,697 INFO L226 Difference]: Without dead ends: 10800 [2022-11-20 21:16:34,826 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 [2022-11-20 21:16:34,827 INFO L413 NwaCegarLoop]: 8611 mSDtfsCounter, 11 mSDsluCounter, 33632 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42243 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:16:34,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42243 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-20 21:16:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10800 states. [2022-11-20 21:16:39,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10800 to 10774. [2022-11-20 21:16:39,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10774 states, 8072 states have (on average 1.526759167492567) internal successors, (12324), 8081 states have internal predecessors, (12324), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 107 states have return successors, (4242), 2590 states have call predecessors, (4242), 2588 states have call successors, (4242) [2022-11-20 21:16:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10774 states to 10774 states and 19160 transitions. [2022-11-20 21:16:39,293 INFO L78 Accepts]: Start accepts. Automaton has 10774 states and 19160 transitions. Word has length 79 [2022-11-20 21:16:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:16:39,294 INFO L495 AbstractCegarLoop]: Abstraction has 10774 states and 19160 transitions. [2022-11-20 21:16:39,294 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) [2022-11-20 21:16:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 10774 states and 19160 transitions. [2022-11-20 21:16:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 21:16:39,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:16:39,300 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] [2022-11-20 21:16:39,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:39,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:39,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:16:39,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:16:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1294044403, now seen corresponding path program 1 times [2022-11-20 21:16:39,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:16:39,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088212509] [2022-11-20 21:16:39,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:16:39,532 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 [2022-11-20 21:16:39,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:16:39,535 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:16:39,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:16:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:16:50,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 5531 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 21:16:50,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:16:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:16:50,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:16:50,362 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:16:50,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088212509] [2022-11-20 21:16:50,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088212509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:16:50,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:16:50,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 21:16:50,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489970188] [2022-11-20 21:16:50,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:16:50,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:16:50,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:16:50,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:16:50,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:16:50,366 INFO L87 Difference]: Start difference. First operand 10774 states and 19160 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) [2022-11-20 21:16:52,400 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 [] [2022-11-20 21:16:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:16:58,182 INFO L93 Difference]: Finished difference Result 21579 states and 38658 transitions. [2022-11-20 21:16:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 21:16:58,188 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 [2022-11-20 21:16:58,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:16:58,290 INFO L225 Difference]: With dead ends: 21579 [2022-11-20 21:16:58,291 INFO L226 Difference]: Without dead ends: 10808 [2022-11-20 21:16:58,393 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 [2022-11-20 21:16:58,394 INFO L413 NwaCegarLoop]: 8604 mSDtfsCounter, 11 mSDsluCounter, 33607 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42211 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-20 21:16:58,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42211 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-20 21:16:58,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10808 states. [2022-11-20 21:17:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10808 to 10778. [2022-11-20 21:17:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 8076 states have (on average 1.5264982664685487) internal successors, (12328), 8081 states have internal predecessors, (12328), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 107 states have return successors, (4242), 2594 states have call predecessors, (4242), 2588 states have call successors, (4242) [2022-11-20 21:17:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 19164 transitions. [2022-11-20 21:17:01,680 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 19164 transitions. Word has length 79 [2022-11-20 21:17:01,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:01,680 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 19164 transitions. [2022-11-20 21:17:01,681 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) [2022-11-20 21:17:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 19164 transitions. [2022-11-20 21:17:01,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 21:17:01,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:01,688 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] [2022-11-20 21:17:01,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:17:01,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:17:01,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:17:01,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:01,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1239860732, now seen corresponding path program 1 times [2022-11-20 21:17:01,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:17:01,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138345510] [2022-11-20 21:17:01,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:01,926 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 [2022-11-20 21:17:01,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:17:01,927 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:17:01,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:17:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:17:10,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 5505 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 21:17:10,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:17:11,392 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:17:11,393 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 [2022-11-20 21:17:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:17:11,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:17:11,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:17:11,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138345510] [2022-11-20 21:17:11,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138345510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:17:11,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:17:11,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:17:11,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163129753] [2022-11-20 21:17:11,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:17:11,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:17:11,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:17:11,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:17:11,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:17:11,444 INFO L87 Difference]: Start difference. First operand 10778 states and 19164 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-11-20 21:17:14,409 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 [] [2022-11-20 21:17:16,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:17:18,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:17:21,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:17:40,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:17:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:17:46,496 INFO L93 Difference]: Finished difference Result 21718 states and 38619 transitions. [2022-11-20 21:17:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:17:46,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 73 [2022-11-20 21:17:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:17:46,589 INFO L225 Difference]: With dead ends: 21718 [2022-11-20 21:17:46,589 INFO L226 Difference]: Without dead ends: 10943 [2022-11-20 21:17:46,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:17:46,681 INFO L413 NwaCegarLoop]: 8612 mSDtfsCounter, 191 mSDsluCounter, 15774 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 24386 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:17:46,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 24386 Invalid, 1500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1492 Invalid, 4 Unknown, 0 Unchecked, 34.2s Time] [2022-11-20 21:17:46,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10943 states. [2022-11-20 21:17:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10943 to 10890. [2022-11-20 21:17:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10890 states, 8152 states have (on average 1.525269872423945) internal successors, (12434), 8169 states have internal predecessors, (12434), 2620 states have call successors, (2620), 119 states have call predecessors, (2620), 117 states have return successors, (4278), 2605 states have call predecessors, (4278), 2614 states have call successors, (4278) [2022-11-20 21:17:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10890 states to 10890 states and 19332 transitions. [2022-11-20 21:17:49,808 INFO L78 Accepts]: Start accepts. Automaton has 10890 states and 19332 transitions. Word has length 73 [2022-11-20 21:17:49,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:17:49,808 INFO L495 AbstractCegarLoop]: Abstraction has 10890 states and 19332 transitions. [2022-11-20 21:17:49,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-11-20 21:17:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 10890 states and 19332 transitions. [2022-11-20 21:17:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 21:17:49,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:17:49,816 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, 1, 1] [2022-11-20 21:17:49,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:17:50,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:17:50,023 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:17:50,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:17:50,024 INFO L85 PathProgramCache]: Analyzing trace with hash 547936002, now seen corresponding path program 1 times [2022-11-20 21:17:50,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:17:50,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356228441] [2022-11-20 21:17:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:17:50,029 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 [2022-11-20 21:17:50,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:17:50,030 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:17:50,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:19:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:19:51,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 5535 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 21:19:51,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:19:53,575 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:19:53,576 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 39 treesize of output 17 [2022-11-20 21:19:53,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2022-11-20 21:19:53,895 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 21:19:53,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2022-11-20 21:19:53,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-11-20 21:20:04,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:20:04,735 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:04,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 77 [2022-11-20 21:20:04,855 INFO L321 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2022-11-20 21:20:04,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2022-11-20 21:20:04,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 62 [2022-11-20 21:20:09,457 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:20:09,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 128 treesize of output 52 [2022-11-20 21:20:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:20:09,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:20:09,540 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:20:09,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356228441] [2022-11-20 21:20:09,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356228441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:20:09,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:20:09,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 21:20:09,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039451442] [2022-11-20 21:20:09,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:20:09,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 21:20:09,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:20:09,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 21:20:09,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=43, Unknown=11, NotChecked=0, Total=72 [2022-11-20 21:20:09,543 INFO L87 Difference]: Start difference. First operand 10890 states and 19332 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-20 21:20:17,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:20:19,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:20:21,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:20:24,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:20:26,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:20:28,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:20:58,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:21:00,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:21:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:21:09,839 INFO L93 Difference]: Finished difference Result 21762 states and 38841 transitions. [2022-11-20 21:21:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 21:21:09,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2022-11-20 21:21:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:21:09,934 INFO L225 Difference]: With dead ends: 21762 [2022-11-20 21:21:09,934 INFO L226 Difference]: Without dead ends: 10985 [2022-11-20 21:21:10,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 19.1s TimeCoverageRelationStatistics Valid=22, Invalid=55, Unknown=13, NotChecked=0, Total=90 [2022-11-20 21:21:10,036 INFO L413 NwaCegarLoop]: 8557 mSDtfsCounter, 234 mSDsluCounter, 41614 mSDsCounter, 0 mSdLazyCounter, 4403 mSolverCounterSat, 86 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 50171 SdHoareTripleChecker+Invalid, 9058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4403 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 4562 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:21:10,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 50171 Invalid, 9058 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [86 Valid, 4403 Invalid, 7 Unknown, 4562 Unchecked, 55.1s Time] [2022-11-20 21:21:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10985 states. [2022-11-20 21:21:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10985 to 10984. [2022-11-20 21:21:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10984 states, 8210 states have (on average 1.5235079171741779) internal successors, (12508), 8237 states have internal predecessors, (12508), 2650 states have call successors, (2650), 130 states have call predecessors, (2650), 123 states have return successors, (4329), 2620 states have call predecessors, (4329), 2644 states have call successors, (4329) [2022-11-20 21:21:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10984 states to 10984 states and 19487 transitions. [2022-11-20 21:21:13,305 INFO L78 Accepts]: Start accepts. Automaton has 10984 states and 19487 transitions. Word has length 81 [2022-11-20 21:21:13,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:21:13,305 INFO L495 AbstractCegarLoop]: Abstraction has 10984 states and 19487 transitions. [2022-11-20 21:21:13,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-20 21:21:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 10984 states and 19487 transitions. [2022-11-20 21:21:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 21:21:13,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:21:13,315 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:21:13,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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)] Forceful destruction successful, exit code 0 [2022-11-20 21:21:13,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:21:13,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:21:13,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:21:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1297586481, now seen corresponding path program 1 times [2022-11-20 21:21:13,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:21:13,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100812151] [2022-11-20 21:21:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:21:13,544 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 [2022-11-20 21:21:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:21:13,545 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:21:13,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098b8424-37ad-41b0-8a65-a9e5b8d1aff4/bin/utaipan-6cKwYrpEi9/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