./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 4e7fbc69 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_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:12:43,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:12:43,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:12:43,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:12:43,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:12:43,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:12:43,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:12:43,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:12:43,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:12:43,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:12:43,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:12:43,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:12:43,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:12:43,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:12:43,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:12:43,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:12:43,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:12:43,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:12:43,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:12:43,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:12:43,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:12:43,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:12:43,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:12:43,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:12:43,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:12:43,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:12:43,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:12:43,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:12:43,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:12:43,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:12:43,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:12:43,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:12:43,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:12:43,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:12:43,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:12:43,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:12:43,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:12:43,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:12:43,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:12:43,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:12:43,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:12:43,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:12:43,618 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:12:43,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:12:43,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:12:43,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:12:43,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:12:43,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:12:43,620 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:12:43,620 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:12:43,621 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:12:43,621 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:12:43,622 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:12:43,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:12:43,622 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:12:43,622 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:12:43,622 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:12:43,623 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:12:43,623 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:12:43,623 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:12:43,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:12:43,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:12:43,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:12:43,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:12:43,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:12:43,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:12:43,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:12:43,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:12:43,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:12:43,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:12:43,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:12:43,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:12:43,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:12:43,626 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:12:43,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:12:43,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:12:43,627 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:12:43,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:12:43,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:12:43,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:12:43,628 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_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2022-11-23 14:12:43,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:12:43,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:12:43,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:12:43,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:12:43,922 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:12:43,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/../../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 [2022-11-23 14:12:47,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:12:47,717 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:12:47,718 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/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 [2022-11-23 14:12:47,783 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data/0f1d23dd4/ca0373f735714f3092d1a6d53f7cbda6/FLAG358f7cbe8 [2022-11-23 14:12:47,802 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data/0f1d23dd4/ca0373f735714f3092d1a6d53f7cbda6 [2022-11-23 14:12:47,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:12:47,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:12:47,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:12:47,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:12:47,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:12:47,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:47" (1/1) ... [2022-11-23 14:12:47,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247d7bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:47, skipping insertion in model container [2022-11-23 14:12:47,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:47" (1/1) ... [2022-11-23 14:12:47,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:12:48,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:12:50,069 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_ccda825c-746c-4693-96f0-76c39f3f35f7/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] [2022-11-23 14:12:50,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:12:50,237 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:12:50,814 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_ccda825c-746c-4693-96f0-76c39f3f35f7/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] [2022-11-23 14:12:50,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:12:51,022 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:12:51,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51 WrapperNode [2022-11-23 14:12:51,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:12:51,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:12:51,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:12:51,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:12:51,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:51,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:51,610 INFO L138 Inliner]: procedures = 170, calls = 6963, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 16666 [2022-11-23 14:12:51,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:12:51,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:12:51,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:12:51,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:12:51,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:51,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:51,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:51,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:52,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:52,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:52,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:52,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:52,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:12:52,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:12:52,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:12:52,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:12:52,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (1/1) ... [2022-11-23 14:12:52,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:12:52,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:12:52,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:12:52,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:12:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-23 14:12:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-23 14:12:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-23 14:12:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-23 14:12:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:12:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 14:12:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 14:12:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-23 14:12:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-23 14:12:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-23 14:12:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-23 14:12:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:12:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:12:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-23 14:12:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-23 14:12:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:12:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-23 14:12:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-23 14:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-23 14:12:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-23 14:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-23 14:12:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-23 14:12:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-23 14:12:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-23 14:12:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:12:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:12:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-23 14:12:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-23 14:12:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-23 14:12:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-23 14:12:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:12:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:12:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:12:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-23 14:12:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-23 14:12:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:12:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:12:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-23 14:12:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-23 14:12:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-23 14:12:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-23 14:12:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-23 14:12:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-23 14:12:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-23 14:12:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-23 14:12:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:12:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:12:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-23 14:12:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-23 14:12:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-23 14:12:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-23 14:12:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-23 14:12:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-23 14:12:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 14:12:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 14:12:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 14:12:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 14:12:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-23 14:12:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-23 14:12:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:12:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:12:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:12:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-23 14:12:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-23 14:12:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-23 14:12:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-23 14:12:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-23 14:12:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-23 14:12:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-23 14:12:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-23 14:12:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:12:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:12:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:12:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-23 14:12:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-23 14:12:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-23 14:12:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-23 14:12:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-23 14:12:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-23 14:12:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-23 14:12:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-23 14:12:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-23 14:12:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-23 14:12:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:12:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:12:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-23 14:12:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-23 14:12:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-23 14:12:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-23 14:12:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-23 14:12:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-23 14:12:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-23 14:12:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-23 14:12:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:12:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:12:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-23 14:12:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-23 14:12:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-23 14:12:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-23 14:12:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-23 14:12:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-23 14:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-23 14:12:52,390 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-23 14:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-23 14:12:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-23 14:12:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:12:52,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:12:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-23 14:12:52,392 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-23 14:12:53,860 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:12:53,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:13:07,049 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:13:18,211 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:13:18,211 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:13:18,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:18 BoogieIcfgContainer [2022-11-23 14:13:18,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:13:18,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:13:18,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:13:18,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:13:18,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:12:47" (1/3) ... [2022-11-23 14:13:18,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb7e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:18, skipping insertion in model container [2022-11-23 14:13:18,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:51" (2/3) ... [2022-11-23 14:13:18,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb7e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:18, skipping insertion in model container [2022-11-23 14:13:18,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:18" (3/3) ... [2022-11-23 14:13:18,232 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 [2022-11-23 14:13:18,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:13:18,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:13:18,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:13:18,428 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;@61ebf895, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:13:18,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:13:18,449 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) [2022-11-23 14:13:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:13:18,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:18,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:13:18,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:18,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:18,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1675261183, now seen corresponding path program 1 times [2022-11-23 14:13:18,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:18,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046466680] [2022-11-23 14:13:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:18,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:19,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:19,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046466680] [2022-11-23 14:13:19,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046466680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:19,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:19,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:13:19,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737702916] [2022-11-23 14:13:19,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:19,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:13:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:13:19,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:13:19,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:13:19,890 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) [2022-11-23 14:13:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:23,320 INFO L93 Difference]: Finished difference Result 8441 states and 13514 transitions. [2022-11-23 14:13:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:13:23,323 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 [2022-11-23 14:13:23,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:23,365 INFO L225 Difference]: With dead ends: 8441 [2022-11-23 14:13:23,366 INFO L226 Difference]: Without dead ends: 4231 [2022-11-23 14:13:23,407 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 [2022-11-23 14:13:23,410 INFO L413 NwaCegarLoop]: 6465 mSDtfsCounter, 6490 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:23,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6490 Valid, 6685 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 14:13:23,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2022-11-23 14:13:24,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 4229. [2022-11-23 14:13:24,712 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) [2022-11-23 14:13:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 4229 states and 6730 transitions. [2022-11-23 14:13:24,763 INFO L78 Accepts]: Start accepts. Automaton has 4229 states and 6730 transitions. Word has length 6 [2022-11-23 14:13:24,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:24,764 INFO L495 AbstractCegarLoop]: Abstraction has 4229 states and 6730 transitions. [2022-11-23 14:13:24,764 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) [2022-11-23 14:13:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4229 states and 6730 transitions. [2022-11-23 14:13:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 14:13:24,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:24,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:24,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:13:24,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:24,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash 390988128, now seen corresponding path program 1 times [2022-11-23 14:13:24,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:24,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813222289] [2022-11-23 14:13:24,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:24,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:25,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:25,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813222289] [2022-11-23 14:13:25,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813222289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:25,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:25,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:13:25,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422983799] [2022-11-23 14:13:25,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:25,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:13:25,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:13:25,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:13:25,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:13:25,372 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) [2022-11-23 14:13:27,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:13:29,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:29,127 INFO L93 Difference]: Finished difference Result 4231 states and 6731 transitions. [2022-11-23 14:13:29,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:13:29,129 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 [2022-11-23 14:13:29,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:29,159 INFO L225 Difference]: With dead ends: 4231 [2022-11-23 14:13:29,159 INFO L226 Difference]: Without dead ends: 4228 [2022-11-23 14:13:29,164 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 [2022-11-23 14:13:29,165 INFO L413 NwaCegarLoop]: 6459 mSDtfsCounter, 6695 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:29,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6695 Valid, 6459 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-23 14:13:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2022-11-23 14:13:30,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4228. [2022-11-23 14:13:30,203 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) [2022-11-23 14:13:30,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 6728 transitions. [2022-11-23 14:13:30,236 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 6728 transitions. Word has length 7 [2022-11-23 14:13:30,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:30,237 INFO L495 AbstractCegarLoop]: Abstraction has 4228 states and 6728 transitions. [2022-11-23 14:13:30,238 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) [2022-11-23 14:13:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 6728 transitions. [2022-11-23 14:13:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:13:30,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:30,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:30,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:13:30,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:30,240 INFO L85 PathProgramCache]: Analyzing trace with hash -766766046, now seen corresponding path program 1 times [2022-11-23 14:13:30,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:30,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716555742] [2022-11-23 14:13:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:30,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:30,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:30,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716555742] [2022-11-23 14:13:30,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716555742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:30,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:30,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:13:30,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880187764] [2022-11-23 14:13:30,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:30,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:13:30,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:13:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:13:30,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:13:30,793 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) [2022-11-23 14:13:33,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:33,447 INFO L93 Difference]: Finished difference Result 4230 states and 6729 transitions. [2022-11-23 14:13:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:13:33,451 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 [2022-11-23 14:13:33,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:33,479 INFO L225 Difference]: With dead ends: 4230 [2022-11-23 14:13:33,480 INFO L226 Difference]: Without dead ends: 4227 [2022-11-23 14:13:33,485 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 [2022-11-23 14:13:33,486 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, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:33,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6692 Valid, 6457 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 14:13:33,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-11-23 14:13:34,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4227. [2022-11-23 14:13:34,366 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) [2022-11-23 14:13:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 4227 states and 6726 transitions. [2022-11-23 14:13:34,392 INFO L78 Accepts]: Start accepts. Automaton has 4227 states and 6726 transitions. Word has length 8 [2022-11-23 14:13:34,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:34,392 INFO L495 AbstractCegarLoop]: Abstraction has 4227 states and 6726 transitions. [2022-11-23 14:13:34,392 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) [2022-11-23 14:13:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4227 states and 6726 transitions. [2022-11-23 14:13:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:13:34,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:34,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:13:34,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:13:34,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:34,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1997565091, now seen corresponding path program 1 times [2022-11-23 14:13:34,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:34,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439108213] [2022-11-23 14:13:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:13:34,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:34,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439108213] [2022-11-23 14:13:34,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439108213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:34,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:34,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:13:34,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045199601] [2022-11-23 14:13:34,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:34,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:13:34,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:13:34,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:13:34,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:13:34,898 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) [2022-11-23 14:13:40,993 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 [] [2022-11-23 14:13:42,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:42,480 INFO L93 Difference]: Finished difference Result 12666 states and 20291 transitions. [2022-11-23 14:13:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:13:42,481 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 [2022-11-23 14:13:42,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:42,538 INFO L225 Difference]: With dead ends: 12666 [2022-11-23 14:13:42,538 INFO L226 Difference]: Without dead ends: 8436 [2022-11-23 14:13:42,578 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 [2022-11-23 14:13:42,579 INFO L413 NwaCegarLoop]: 7830 mSDtfsCounter, 6721 mSDsluCounter, 6485 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s 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, 7.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:42,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6721 Valid, 14315 Invalid, 489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-23 14:13:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2022-11-23 14:13:44,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8432. [2022-11-23 14:13:44,589 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) [2022-11-23 14:13:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8432 states to 8432 states and 13505 transitions. [2022-11-23 14:13:44,732 INFO L78 Accepts]: Start accepts. Automaton has 8432 states and 13505 transitions. Word has length 9 [2022-11-23 14:13:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:44,733 INFO L495 AbstractCegarLoop]: Abstraction has 8432 states and 13505 transitions. [2022-11-23 14:13:44,733 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) [2022-11-23 14:13:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 8432 states and 13505 transitions. [2022-11-23 14:13:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 14:13:44,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:44,740 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] [2022-11-23 14:13:44,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:13:44,740 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:44,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1812760203, now seen corresponding path program 1 times [2022-11-23 14:13:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:44,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653061577] [2022-11-23 14:13:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:44,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:13:46,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:46,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653061577] [2022-11-23 14:13:46,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653061577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:46,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:46,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:13:46,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679259294] [2022-11-23 14:13:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:46,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:13:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:13:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:13:46,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:13:46,532 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) [2022-11-23 14:13:54,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:13:54,284 INFO L93 Difference]: Finished difference Result 16969 states and 27376 transitions. [2022-11-23 14:13:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:13:54,285 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 [2022-11-23 14:13:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:13:54,342 INFO L225 Difference]: With dead ends: 16969 [2022-11-23 14:13:54,342 INFO L226 Difference]: Without dead ends: 8538 [2022-11-23 14:13:54,414 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 [2022-11-23 14:13:54,415 INFO L413 NwaCegarLoop]: 6435 mSDtfsCounter, 158 mSDsluCounter, 19152 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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, 7.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:13:54,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 25587 Invalid, 1156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-23 14:13:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8538 states. [2022-11-23 14:13:56,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8538 to 8522. [2022-11-23 14:13:56,183 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) [2022-11-23 14:13:56,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8522 states to 8522 states and 13645 transitions. [2022-11-23 14:13:56,234 INFO L78 Accepts]: Start accepts. Automaton has 8522 states and 13645 transitions. Word has length 53 [2022-11-23 14:13:56,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:13:56,234 INFO L495 AbstractCegarLoop]: Abstraction has 8522 states and 13645 transitions. [2022-11-23 14:13:56,234 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) [2022-11-23 14:13:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8522 states and 13645 transitions. [2022-11-23 14:13:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-23 14:13:56,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:56,241 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] [2022-11-23 14:13:56,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:13:56,242 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:56,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:56,242 INFO L85 PathProgramCache]: Analyzing trace with hash -841384792, now seen corresponding path program 1 times [2022-11-23 14:13:56,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:56,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346399750] [2022-11-23 14:13:56,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:56,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:13:57,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:57,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346399750] [2022-11-23 14:13:57,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346399750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:13:57,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:13:57,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:13:57,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352644493] [2022-11-23 14:13:57,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:13:57,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:13:57,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:13:57,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:13:57,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:13:57,254 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) [2022-11-23 14:14:02,276 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 [] [2022-11-23 14:14:03,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:03,969 INFO L93 Difference]: Finished difference Result 8524 states and 13646 transitions. [2022-11-23 14:14:03,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:14:03,970 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 [2022-11-23 14:14:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:04,018 INFO L225 Difference]: With dead ends: 8524 [2022-11-23 14:14:04,019 INFO L226 Difference]: Without dead ends: 8521 [2022-11-23 14:14:04,027 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 [2022-11-23 14:14:04,028 INFO L413 NwaCegarLoop]: 6459 mSDtfsCounter, 224 mSDsluCounter, 6256 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 12715 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:04,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 12715 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-23 14:14:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8521 states. [2022-11-23 14:14:05,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8521 to 8521. [2022-11-23 14:14:05,578 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) [2022-11-23 14:14:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8521 states to 8521 states and 13642 transitions. [2022-11-23 14:14:05,628 INFO L78 Accepts]: Start accepts. Automaton has 8521 states and 13642 transitions. Word has length 54 [2022-11-23 14:14:05,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:05,628 INFO L495 AbstractCegarLoop]: Abstraction has 8521 states and 13642 transitions. [2022-11-23 14:14:05,629 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) [2022-11-23 14:14:05,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8521 states and 13642 transitions. [2022-11-23 14:14:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 14:14:05,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:05,633 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] [2022-11-23 14:14:05,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:14:05,633 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:14:05,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:05,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1993532738, now seen corresponding path program 1 times [2022-11-23 14:14:05,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:14:05,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201281658] [2022-11-23 14:14:05,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:05,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:14:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:14:10,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:14:10,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201281658] [2022-11-23 14:14:10,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201281658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:14:10,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:14:10,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:14:10,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166505223] [2022-11-23 14:14:10,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:10,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:14:10,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:14:10,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:14:10,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:14:10,543 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) [2022-11-23 14:14:16,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:16,041 INFO L93 Difference]: Finished difference Result 17045 states and 29138 transitions. [2022-11-23 14:14:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:14:16,042 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 [2022-11-23 14:14:16,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:16,088 INFO L225 Difference]: With dead ends: 17045 [2022-11-23 14:14:16,089 INFO L226 Difference]: Without dead ends: 8525 [2022-11-23 14:14:16,182 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 [2022-11-23 14:14:16,183 INFO L413 NwaCegarLoop]: 6455 mSDtfsCounter, 0 mSDsluCounter, 6452 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:16,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12907 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-23 14:14:16,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8525 states. [2022-11-23 14:14:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8525 to 8525. [2022-11-23 14:14:17,826 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) [2022-11-23 14:14:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8525 states to 8525 states and 13646 transitions. [2022-11-23 14:14:17,882 INFO L78 Accepts]: Start accepts. Automaton has 8525 states and 13646 transitions. Word has length 58 [2022-11-23 14:14:17,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:17,882 INFO L495 AbstractCegarLoop]: Abstraction has 8525 states and 13646 transitions. [2022-11-23 14:14:17,883 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) [2022-11-23 14:14:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 8525 states and 13646 transitions. [2022-11-23 14:14:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 14:14:17,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:17,886 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] [2022-11-23 14:14:17,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:14:17,887 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:14:17,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:17,887 INFO L85 PathProgramCache]: Analyzing trace with hash -752838505, now seen corresponding path program 1 times [2022-11-23 14:14:17,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:14:17,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242154800] [2022-11-23 14:14:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:14:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:14:21,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:14:21,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242154800] [2022-11-23 14:14:21,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242154800] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:14:21,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748765276] [2022-11-23 14:14:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:14:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:14:21,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:14:21,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:14:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:14:24,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 8062 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:14:24,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:14:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:14:24,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:14:24,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748765276] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 14:14:24,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:14:24,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-23 14:14:24,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073057662] [2022-11-23 14:14:24,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:14:24,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:14:24,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:14:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:14:24,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:14:24,872 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) [2022-11-23 14:14:27,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:14:29,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:14:32,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:14:34,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:14:34,520 INFO L93 Difference]: Finished difference Result 17053 states and 29146 transitions. [2022-11-23 14:14:34,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:14:34,521 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 [2022-11-23 14:14:34,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:14:34,582 INFO L225 Difference]: With dead ends: 17053 [2022-11-23 14:14:34,582 INFO L226 Difference]: Without dead ends: 8529 [2022-11-23 14:14:34,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:14:34,672 INFO L413 NwaCegarLoop]: 6453 mSDtfsCounter, 11 mSDsluCounter, 12895 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19348 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:14:34,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19348 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-23 14:14:34,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8529 states. [2022-11-23 14:14:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8529 to 8529. [2022-11-23 14:14:36,280 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) [2022-11-23 14:14:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8529 states to 8529 states and 13650 transitions. [2022-11-23 14:14:36,337 INFO L78 Accepts]: Start accepts. Automaton has 8529 states and 13650 transitions. Word has length 59 [2022-11-23 14:14:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:14:36,338 INFO L495 AbstractCegarLoop]: Abstraction has 8529 states and 13650 transitions. [2022-11-23 14:14:36,338 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) [2022-11-23 14:14:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8529 states and 13650 transitions. [2022-11-23 14:14:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-23 14:14:36,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:14:36,344 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] [2022-11-23 14:14:36,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:14:36,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 14:14:36,567 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:14:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:14:36,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1431020992, now seen corresponding path program 1 times [2022-11-23 14:14:36,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:14:36,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376024233] [2022-11-23 14:14:36,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:14:36,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:16:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:16:50,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:17:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:17:28,318 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:17:28,318 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:17:28,319 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:17:28,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 14:17:28,324 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:17:28,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:17:28,372 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,380 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,380 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,381 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,382 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,383 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,384 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,385 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,386 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,387 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,388 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,389 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,389 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,389 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,389 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,390 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,391 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,392 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,393 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,394 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,395 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,396 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,397 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,397 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,397 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,397 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,398 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,398 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,398 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,398 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,399 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-23 14:17:28,399 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-23 14:17:28,399 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-23 14:17:28,399 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4349#1 : $Pointer$ not handled [2022-11-23 14:17:28,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:17:28 BoogieIcfgContainer [2022-11-23 14:17:28,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:17:28,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:17:28,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:17:28,522 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:17:28,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:18" (3/4) ... [2022-11-23 14:17:28,525 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:17:28,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:17:28,526 INFO L158 Benchmark]: Toolchain (without parser) took 280719.76ms. Allocated memory was 153.1MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 101.4MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 910.5MB. Max. memory is 16.1GB. [2022-11-23 14:17:28,527 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:17:28,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3214.19ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 101.4MB in the beginning and 119.7MB in the end (delta: -18.3MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. [2022-11-23 14:17:28,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 586.48ms. Allocated memory was 239.1MB in the beginning and 367.0MB in the end (delta: 127.9MB). Free memory was 119.7MB in the beginning and 210.0MB in the end (delta: -90.3MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2022-11-23 14:17:28,528 INFO L158 Benchmark]: Boogie Preprocessor took 678.52ms. Allocated memory is still 367.0MB. Free memory was 210.0MB in the beginning and 172.3MB in the end (delta: 37.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-23 14:17:28,528 INFO L158 Benchmark]: RCFGBuilder took 25931.91ms. Allocated memory was 367.0MB in the beginning and 5.5GB in the end (delta: 5.1GB). Free memory was 172.3MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-23 14:17:28,528 INFO L158 Benchmark]: TraceAbstraction took 250295.18ms. Allocated memory is still 5.5GB. Free memory was 5.0GB in the beginning and 4.5GB in the end (delta: 483.8MB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2022-11-23 14:17:28,529 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 5.5GB. Free memory is still 4.5GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:17:28,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3214.19ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 101.4MB in the beginning and 119.7MB in the end (delta: -18.3MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 586.48ms. Allocated memory was 239.1MB in the beginning and 367.0MB in the end (delta: 127.9MB). Free memory was 119.7MB in the beginning and 210.0MB in the end (delta: -90.3MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 678.52ms. Allocated memory is still 367.0MB. Free memory was 210.0MB in the beginning and 172.3MB in the end (delta: 37.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * RCFGBuilder took 25931.91ms. Allocated memory was 367.0MB in the beginning and 5.5GB in the end (delta: 5.1GB). Free memory was 172.3MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 250295.18ms. Allocated memory is still 5.5GB. Free memory was 5.0GB in the beginning and 4.5GB in the end (delta: 483.8MB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 5.5GB. Free memory is still 4.5GB. 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_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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_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_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_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 * 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 [#in~fe={18446744073709550966:-2}, (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}, 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 [#in~state={739:-28}, \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}, 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}, unknown-#in~enable-unknown=1, verbose={697:0}] [L4251] COND TRUE enable != 0 [L4252] EXPR state->config [L4252] EXPR (state->config)->tuner_i2c_lock VAL [#in~state={739:-28}, (state->config)->tuner_i2c_lock={714:-713}, \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->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}, unknown-#in~enable-unknown=1, 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 [#in~state={739:-28}, (state->config)->tuner_i2c_lock={714:-713}, \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->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}, unknown-#in~enable-unknown=1, verbose={697:0}] [L4254] FCALL (*((state->config)->tuner_i2c_lock))(& state->frontend, 1) VAL [#in~state={739:-28}, (state->config)->tuner_i2c_lock={714:-713}, \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->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}, unknown-#in~enable-unknown=1, verbose={697:0}] [L4260] EXPR state->demod VAL [#in~state={739:-28}, \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->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}, unknown-#in~enable-unknown=1, verbose={697:0}] [L4260] COND TRUE (unsigned int )state->demod == 2U [L4261] CALL, EXPR stv090x_read_reg(state, 61739U) VAL [#in~state={739:-28}, \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}, unknown-#in~reg-unknown=61739, 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 [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, 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->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}, unknown-#in~reg-unknown=61739, verbose={697:0}] [L4114] CALL, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [#in~arg0={18446744073709550943:18446744073709550941}, #in~arg1={719:0}, \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}, unknown-#in~arg2-unknown=2, verbose={697:0}] [L16393] return __VERIFIER_nondet_int(); [L4114] RET, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, 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->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}, unknown-#in~reg-unknown=61739, 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 [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550944, \read(verbose)=18446744073709550968, \read(verbose)=18446744073709550982, \read(verbose)=18446744073709550952, \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}, 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}, unknown-#in~reg-unknown=61739, 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 [#in~state={739:-28}, \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}, 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}, unknown-#in~enable-unknown=1, verbose={697:0}] [L4261] tmp = stv090x_read_reg(state, 61739U) [L4262] tmp___1 = tmp VAL [#in~state={739:-28}, \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}, 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, unknown-#in~enable-unknown=1, verbose={697:0}] [L4267] reg = (u32 )tmp___1 VAL [#in~state={739:-28}, \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}, 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, unknown-#in~enable-unknown=1, 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 [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550904, \read(verbose)=18446744073709550922, \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("\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->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, unknown-#in~enable-unknown=1, 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 [#in~data={719:0}, #in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, __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}, 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->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}, unknown-#in~count-unknown=1, unknown-#in~reg-unknown=61739, verbose={697:0}] [L4186] CALL, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) 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}, unknown-#in~c-unknown=0, unknown-#in~exp-unknown=0, verbose={697:0}] [L15925] return (exp); [L4186] RET, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [#in~data={719:0}, #in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, __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}, 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->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}, unknown-#in~count-unknown=1, unknown-#in~reg-unknown=61739, verbose={697:0}] [L4186] tmp___0 = ldv__builtin_expect(*(state->verbose) > 3U, 0L) [L4187] COND FALSE !(tmp___0 != 0L) VAL [#in~data={719:0}, #in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, __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}, 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}, 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, unknown-#in~count-unknown=1, unknown-#in~reg-unknown=61739, verbose={697:0}] [L4202] EXPR state->i2c VAL [#in~data={719:0}, #in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, __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}, 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->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, unknown-#in~count-unknown=1, unknown-#in~reg-unknown=61739, verbose={697:0}] [L4202] CALL, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [#in~arg0={18446744073709550943:18446744073709550941}, #in~arg1={739:0}, \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}, unknown-#in~arg2-unknown=1, verbose={697:0}] [L16393] return __VERIFIER_nondet_int(); [L4202] RET, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [#in~data={719:0}, #in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, __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}, 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->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, unknown-#in~count-unknown=1, unknown-#in~reg-unknown=61739, 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 [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550904, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550922, 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}, 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, unknown-#in~enable-unknown=1, 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 [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550904, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550922, 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}, 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, unknown-#in~enable-unknown=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 [#in~state={739:-28}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550904, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550922, 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}, 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, unknown-#in~enable-unknown=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 [#in~state={739:-28}, (state->config)->tuner_i2c_lock={18446744073709550900:716}, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550963, \read(verbose)=18446744073709550922, \read(verbose)=18446744073709550917, \read(verbose)=18446744073709550975, \read(verbose)=18446744073709550951, \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("\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->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, unknown-#in~enable-unknown=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 [#in~lock={18446744073709550954:-159}, \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}] [L16348] COND FALSE !(ldv_mutex_tuner_lock_of_stv090x_internal == 2) VAL [#in~lock={18446744073709550954:-159}, \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}] [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: 250.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 47.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 27037 SdHoareTripleChecker+Valid, 43.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26991 mSDsluCounter, 104473 SdHoareTripleChecker+Invalid, 42.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51460 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4004 IncrementalHoareTripleChecker+Invalid, 4063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 53013 mSDtfsCounter, 4004 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 3 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: 12.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 141.6s SatisfiabilityAnalysisTime, 7.5s 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 [2022-11-23 14:17:28,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:17:31,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:17:31,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:17:31,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:17:31,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:17:31,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:17:31,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:17:31,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:17:31,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:17:31,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:17:31,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:17:31,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:17:31,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:17:31,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:17:31,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:17:31,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:17:31,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:17:31,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:17:31,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:17:31,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:17:31,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:17:31,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:17:31,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:17:31,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:17:31,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:17:31,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:17:31,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:17:31,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:17:31,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:17:31,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:17:31,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:17:31,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:17:31,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:17:31,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:17:31,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:17:31,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:17:31,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:17:31,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:17:31,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:17:31,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:17:31,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:17:31,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 14:17:31,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:17:31,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:17:31,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:17:31,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:17:31,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:17:31,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:17:31,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:17:31,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:17:31,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:17:31,444 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:17:31,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:17:31,446 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:17:31,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:17:31,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:17:31,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:17:31,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:17:31,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:17:31,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:17:31,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:17:31,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:17:31,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:17:31,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:17:31,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:17:31,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:17:31,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:17:31,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:17:31,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:17:31,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:17:31,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:17:31,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:17:31,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:17:31,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:17:31,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:17:31,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:17:31,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:17:31,452 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_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2022-11-23 14:17:31,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:17:31,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:17:31,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:17:31,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:17:31,854 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:17:31,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/../../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 [2022-11-23 14:17:35,023 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:17:35,673 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:17:35,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/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 [2022-11-23 14:17:35,727 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data/454a856e2/bf78802fbc3d4312a602214259bcee2c/FLAGfa815c5e3 [2022-11-23 14:17:35,752 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/data/454a856e2/bf78802fbc3d4312a602214259bcee2c [2022-11-23 14:17:35,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:17:35,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:17:35,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:17:35,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:17:35,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:17:35,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:35" (1/1) ... [2022-11-23 14:17:35,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13840d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:35, skipping insertion in model container [2022-11-23 14:17:35,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:35" (1/1) ... [2022-11-23 14:17:35,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:17:35,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:17:38,311 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_ccda825c-746c-4693-96f0-76c39f3f35f7/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] [2022-11-23 14:17:38,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:17:38,516 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 14:17:38,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:17:39,324 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_ccda825c-746c-4693-96f0-76c39f3f35f7/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] [2022-11-23 14:17:39,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:17:39,386 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:17:40,162 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_ccda825c-746c-4693-96f0-76c39f3f35f7/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] [2022-11-23 14:17:40,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:17:40,421 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:17:40,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40 WrapperNode [2022-11-23 14:17:40,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:17:40,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:17:40,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:17:40,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:17:40,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:40,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:40,901 INFO L138 Inliner]: procedures = 180, calls = 6963, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 15729 [2022-11-23 14:17:40,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:17:40,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:17:40,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:17:40,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:17:40,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:40,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:40,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:40,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:41,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:41,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:41,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:41,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:41,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:17:41,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:17:41,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:17:41,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:17:41,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (1/1) ... [2022-11-23 14:17:41,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:17:41,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:17:41,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:17:41,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:17:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-23 14:17:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-23 14:17:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-23 14:17:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-23 14:17:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-23 14:17:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 14:17:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 14:17:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-23 14:17:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-23 14:17:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-23 14:17:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-23 14:17:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 14:17:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:17:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:17:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-23 14:17:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-23 14:17:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-23 14:17:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-23 14:17:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-23 14:17:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-23 14:17:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-23 14:17:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-23 14:17:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-23 14:17:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-23 14:17:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-23 14:17:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-23 14:17:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:17:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:17:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-23 14:17:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-23 14:17:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-23 14:17:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-23 14:17:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:17:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:17:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-23 14:17:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-23 14:17:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-23 14:17:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-23 14:17:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:17:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:17:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-23 14:17:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-23 14:17:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-23 14:17:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-23 14:17:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-23 14:17:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-23 14:17:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 14:17:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-23 14:17:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-23 14:17:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-23 14:17:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-23 14:17:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-23 14:17:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-23 14:17:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:17:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:17:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-23 14:17:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-23 14:17:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-23 14:17:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-23 14:17:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 14:17:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 14:17:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-23 14:17:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-23 14:17:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:17:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:17:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:17:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-23 14:17:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-23 14:17:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-23 14:17:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-23 14:17:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-23 14:17:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-23 14:17:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-23 14:17:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-23 14:17:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-23 14:17:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-23 14:17:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-23 14:17:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-23 14:17:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:17:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-23 14:17:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-23 14:17:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-23 14:17:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-23 14:17:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-23 14:17:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-23 14:17:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-23 14:17:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-23 14:17:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-23 14:17:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-23 14:17:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-23 14:17:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-23 14:17:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 14:17:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:17:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:17:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-23 14:17:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-23 14:17:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-23 14:17:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-23 14:17:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-23 14:17:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:17:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 14:17:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-23 14:17:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-23 14:17:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-23 14:17:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-23 14:17:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-23 14:17:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-23 14:17:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-23 14:17:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-23 14:17:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-23 14:17:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-23 14:17:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-23 14:17:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-23 14:17:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-23 14:17:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-23 14:17:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-23 14:17:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:17:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:17:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-23 14:17:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-23 14:17:43,060 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:17:43,065 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:18:29,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:18:29,675 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:18:29,675 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:18:29,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:29 BoogieIcfgContainer [2022-11-23 14:18:29,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:18:29,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:18:29,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:18:29,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:18:29,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:17:35" (1/3) ... [2022-11-23 14:18:29,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62413cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:18:29, skipping insertion in model container [2022-11-23 14:18:29,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:40" (2/3) ... [2022-11-23 14:18:29,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62413cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:18:29, skipping insertion in model container [2022-11-23 14:18:29,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:29" (3/3) ... [2022-11-23 14:18:29,695 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 [2022-11-23 14:18:29,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:18:29,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:18:29,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:18:29,895 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;@96d0b42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:18:29,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:18:29,914 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) [2022-11-23 14:18:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:18:29,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:18:29,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:18:29,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:18:29,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:18:29,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1382088780, now seen corresponding path program 1 times [2022-11-23 14:18:29,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:18:29,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702178204] [2022-11-23 14:18:29,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:18:29,954 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 [2022-11-23 14:18:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:18:29,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:18:29,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:18:37,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 4901 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:18:37,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:18:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:18:37,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:18:37,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:18:37,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702178204] [2022-11-23 14:18:37,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702178204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:18:37,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:18:37,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:18:37,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264648536] [2022-11-23 14:18:37,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:18:37,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:18:37,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:18:37,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:18:37,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:18:37,583 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) [2022-11-23 14:18:38,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:18:38,553 INFO L93 Difference]: Finished difference Result 10628 states and 17359 transitions. [2022-11-23 14:18:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:18:38,556 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 [2022-11-23 14:18:38,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:18:38,619 INFO L225 Difference]: With dead ends: 10628 [2022-11-23 14:18:38,619 INFO L226 Difference]: Without dead ends: 5342 [2022-11-23 14:18:38,688 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 [2022-11-23 14:18:38,691 INFO L413 NwaCegarLoop]: 8595 mSDtfsCounter, 8327 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-11-23 14:18:38,692 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] [2022-11-23 14:18:38,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2022-11-23 14:18:40,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5340. [2022-11-23 14:18:40,187 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) [2022-11-23 14:18:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5340 states to 5340 states and 8684 transitions. [2022-11-23 14:18:40,261 INFO L78 Accepts]: Start accepts. Automaton has 5340 states and 8684 transitions. Word has length 8 [2022-11-23 14:18:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:18:40,262 INFO L495 AbstractCegarLoop]: Abstraction has 5340 states and 8684 transitions. [2022-11-23 14:18:40,262 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) [2022-11-23 14:18:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 8684 transitions. [2022-11-23 14:18:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:18:40,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:18:40,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:18:40,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:40,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:18:40,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:18:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash -107421905, now seen corresponding path program 1 times [2022-11-23 14:18:40,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:18:40,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473225656] [2022-11-23 14:18:40,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:18:40,501 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 [2022-11-23 14:18:40,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:18:40,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:18:40,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:18:47,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 4902 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:18:47,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:18:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:18:47,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:18:47,509 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:18:47,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473225656] [2022-11-23 14:18:47,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473225656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:18:47,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:18:47,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:18:47,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076207862] [2022-11-23 14:18:47,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:18:47,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:18:47,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:18:47,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:18:47,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:18:47,513 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) [2022-11-23 14:18:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:18:48,175 INFO L93 Difference]: Finished difference Result 5342 states and 8685 transitions. [2022-11-23 14:18:48,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:18:48,176 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 [2022-11-23 14:18:48,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:18:48,225 INFO L225 Difference]: With dead ends: 5342 [2022-11-23 14:18:48,225 INFO L226 Difference]: Without dead ends: 5339 [2022-11-23 14:18:48,232 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 [2022-11-23 14:18:48,233 INFO L413 NwaCegarLoop]: 8586 mSDtfsCounter, 8581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:18:48,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8581 Valid, 8586 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:18:48,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2022-11-23 14:18:49,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 5339. [2022-11-23 14:18:49,337 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) [2022-11-23 14:18:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 8682 transitions. [2022-11-23 14:18:49,384 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 8682 transitions. Word has length 9 [2022-11-23 14:18:49,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:18:49,385 INFO L495 AbstractCegarLoop]: Abstraction has 5339 states and 8682 transitions. [2022-11-23 14:18:49,385 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) [2022-11-23 14:18:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 8682 transitions. [2022-11-23 14:18:49,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:18:49,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:18:49,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:18:49,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:18:49,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:49,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:18:49,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:18:49,607 INFO L85 PathProgramCache]: Analyzing trace with hash 962391983, now seen corresponding path program 1 times [2022-11-23 14:18:49,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:18:49,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961008347] [2022-11-23 14:18:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:18:49,614 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 [2022-11-23 14:18:49,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:18:49,616 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:18:49,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:18:56,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 4903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:18:56,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:18:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:18:56,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:18:56,676 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:18:56,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961008347] [2022-11-23 14:18:56,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961008347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:18:56,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:18:56,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:18:56,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232387369] [2022-11-23 14:18:56,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:18:56,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:18:56,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:18:56,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:18:56,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:18:56,679 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) [2022-11-23 14:18:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:18:57,316 INFO L93 Difference]: Finished difference Result 5341 states and 8683 transitions. [2022-11-23 14:18:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:18:57,317 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 [2022-11-23 14:18:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:18:57,376 INFO L225 Difference]: With dead ends: 5341 [2022-11-23 14:18:57,376 INFO L226 Difference]: Without dead ends: 5338 [2022-11-23 14:18:57,386 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 [2022-11-23 14:18:57,389 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:18:57,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8578 Valid, 8584 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:18:57,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5338 states. [2022-11-23 14:18:58,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5338 to 5338. [2022-11-23 14:18:58,317 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) [2022-11-23 14:18:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5338 states to 5338 states and 8680 transitions. [2022-11-23 14:18:58,362 INFO L78 Accepts]: Start accepts. Automaton has 5338 states and 8680 transitions. Word has length 10 [2022-11-23 14:18:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:18:58,363 INFO L495 AbstractCegarLoop]: Abstraction has 5338 states and 8680 transitions. [2022-11-23 14:18:58,364 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) [2022-11-23 14:18:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5338 states and 8680 transitions. [2022-11-23 14:18:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:18:58,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:18:58,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:18:58,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:58,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:18:58,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:18:58,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:18:58,579 INFO L85 PathProgramCache]: Analyzing trace with hash -233110990, now seen corresponding path program 1 times [2022-11-23 14:18:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:18:58,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74841210] [2022-11-23 14:18:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:18:58,585 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 [2022-11-23 14:18:58,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:18:58,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:18:58,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:19:05,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 4904 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:19:05,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:19:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:19:05,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:19:05,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:19:05,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74841210] [2022-11-23 14:19:05,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74841210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:19:05,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:19:05,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:19:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120594184] [2022-11-23 14:19:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:19:05,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:19:05,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:19:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:19:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:19:05,510 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) [2022-11-23 14:19:06,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:19:06,747 INFO L93 Difference]: Finished difference Result 15992 states and 26146 transitions. [2022-11-23 14:19:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:19:06,748 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 [2022-11-23 14:19:06,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:19:06,869 INFO L225 Difference]: With dead ends: 15992 [2022-11-23 14:19:06,870 INFO L226 Difference]: Without dead ends: 10653 [2022-11-23 14:19:06,947 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 [2022-11-23 14:19:06,948 INFO L413 NwaCegarLoop]: 9977 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, 18583 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 [2022-11-23 14:19:06,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8606 Valid, 18583 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:19:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10653 states. [2022-11-23 14:19:09,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10653 to 10649. [2022-11-23 14:19:09,066 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) [2022-11-23 14:19:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10649 states to 10649 states and 17408 transitions. [2022-11-23 14:19:09,168 INFO L78 Accepts]: Start accepts. Automaton has 10649 states and 17408 transitions. Word has length 11 [2022-11-23 14:19:09,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:19:09,168 INFO L495 AbstractCegarLoop]: Abstraction has 10649 states and 17408 transitions. [2022-11-23 14:19:09,169 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) [2022-11-23 14:19:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10649 states and 17408 transitions. [2022-11-23 14:19:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 14:19:09,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:19:09,185 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] [2022-11-23 14:19:09,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:09,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:09,399 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:19:09,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:19:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash 905480995, now seen corresponding path program 1 times [2022-11-23 14:19:09,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:19:09,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115664130] [2022-11-23 14:19:09,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:19:09,412 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 [2022-11-23 14:19:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:19:09,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:19:09,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:19:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 5392 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:19:16,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:19:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:19:17,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:19:17,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:19:17,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115664130] [2022-11-23 14:19:17,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115664130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:19:17,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:19:17,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:19:17,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826017341] [2022-11-23 14:19:17,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:19:17,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:19:17,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:19:17,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:19:17,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:19:17,019 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) [2022-11-23 14:19:18,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:19:18,299 INFO L93 Difference]: Finished difference Result 21398 states and 35062 transitions. [2022-11-23 14:19:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:19:18,300 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 [2022-11-23 14:19:18,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:19:18,381 INFO L225 Difference]: With dead ends: 21398 [2022-11-23 14:19:18,381 INFO L226 Difference]: Without dead ends: 10752 [2022-11-23 14:19:18,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:19:18,483 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:19:18,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 25689 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:19:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10752 states. [2022-11-23 14:19:20,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10752 to 10750. [2022-11-23 14:19:20,635 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) [2022-11-23 14:19:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10750 states to 10750 states and 17565 transitions. [2022-11-23 14:19:20,724 INFO L78 Accepts]: Start accepts. Automaton has 10750 states and 17565 transitions. Word has length 68 [2022-11-23 14:19:20,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:19:20,725 INFO L495 AbstractCegarLoop]: Abstraction has 10750 states and 17565 transitions. [2022-11-23 14:19:20,725 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) [2022-11-23 14:19:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 10750 states and 17565 transitions. [2022-11-23 14:19:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 14:19:20,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:19:20,734 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] [2022-11-23 14:19:20,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:20,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:20,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:19:20,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:19:20,947 INFO L85 PathProgramCache]: Analyzing trace with hash 845521871, now seen corresponding path program 1 times [2022-11-23 14:19:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:19:20,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844628202] [2022-11-23 14:19:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:19:20,954 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 [2022-11-23 14:19:20,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:19:20,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:19:21,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:19:30,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 5416 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:19:30,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:19:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:19:30,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:19:30,360 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:19:30,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844628202] [2022-11-23 14:19:30,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844628202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:19:30,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:19:30,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:19:30,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429010600] [2022-11-23 14:19:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:19:30,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:19:30,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:19:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:19:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:19:30,363 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) [2022-11-23 14:19:32,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:19:32,754 INFO L93 Difference]: Finished difference Result 21501 states and 36963 transitions. [2022-11-23 14:19:32,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:19:32,758 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 [2022-11-23 14:19:32,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:19:32,841 INFO L225 Difference]: With dead ends: 21501 [2022-11-23 14:19:32,841 INFO L226 Difference]: Without dead ends: 10754 [2022-11-23 14:19:33,083 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 [2022-11-23 14:19:33,084 INFO L413 NwaCegarLoop]: 8584 mSDtfsCounter, 0 mSDsluCounter, 8580 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17164 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:19:33,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17164 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 14:19:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10754 states. [2022-11-23 14:19:34,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10754 to 10754. [2022-11-23 14:19:34,771 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) [2022-11-23 14:19:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 17569 transitions. [2022-11-23 14:19:34,863 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 17569 transitions. Word has length 77 [2022-11-23 14:19:34,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:19:34,866 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 17569 transitions. [2022-11-23 14:19:34,866 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) [2022-11-23 14:19:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 17569 transitions. [2022-11-23 14:19:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 14:19:34,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:19:34,874 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] [2022-11-23 14:19:35,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:35,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:35,095 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:19:35,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:19:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1770687193, now seen corresponding path program 1 times [2022-11-23 14:19:35,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:19:35,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015756715] [2022-11-23 14:19:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:19:35,103 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 [2022-11-23 14:19:35,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:19:35,104 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:19:35,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:19:44,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 5524 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:19:44,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:19:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:19:44,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:19:44,574 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:19:44,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015756715] [2022-11-23 14:19:44,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015756715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:19:44,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:19:44,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:19:44,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220263878] [2022-11-23 14:19:44,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:19:44,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:19:44,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:19:44,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:19:44,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:19:44,576 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) [2022-11-23 14:19:46,609 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 [] [2022-11-23 14:19:48,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:19:48,897 INFO L93 Difference]: Finished difference Result 21509 states and 36971 transitions. [2022-11-23 14:19:48,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:19:48,898 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 [2022-11-23 14:19:48,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:19:48,981 INFO L225 Difference]: With dead ends: 21509 [2022-11-23 14:19:48,982 INFO L226 Difference]: Without dead ends: 10758 [2022-11-23 14:19:49,106 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 [2022-11-23 14:19:49,107 INFO L413 NwaCegarLoop]: 8581 mSDtfsCounter, 36 mSDsluCounter, 17124 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 25705 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:19:49,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 25705 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 14:19:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10758 states. [2022-11-23 14:19:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 10758. [2022-11-23 14:19:51,027 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) [2022-11-23 14:19:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10758 states to 10758 states and 17573 transitions. [2022-11-23 14:19:51,124 INFO L78 Accepts]: Start accepts. Automaton has 10758 states and 17573 transitions. Word has length 78 [2022-11-23 14:19:51,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:19:51,126 INFO L495 AbstractCegarLoop]: Abstraction has 10758 states and 17573 transitions. [2022-11-23 14:19:51,126 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) [2022-11-23 14:19:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 10758 states and 17573 transitions. [2022-11-23 14:19:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 14:19:51,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:19:51,132 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] [2022-11-23 14:19:51,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:51,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:19:51,359 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:19:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:19:51,359 INFO L85 PathProgramCache]: Analyzing trace with hash 409169809, now seen corresponding path program 1 times [2022-11-23 14:19:51,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:19:51,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593108480] [2022-11-23 14:19:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:19:51,366 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 [2022-11-23 14:19:51,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:19:51,370 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:19:51,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:20:01,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 5537 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:20:01,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:20:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:20:01,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:20:01,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:20:01,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593108480] [2022-11-23 14:20:01,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593108480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:20:01,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:20:01,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 14:20:01,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122480299] [2022-11-23 14:20:01,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:20:01,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:20:01,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:20:01,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:20:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:20:01,392 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) [2022-11-23 14:20:03,422 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 [] [2022-11-23 14:20:08,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:20:08,597 INFO L93 Difference]: Finished difference Result 21555 states and 37063 transitions. [2022-11-23 14:20:08,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:20:08,598 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 [2022-11-23 14:20:08,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:20:08,702 INFO L225 Difference]: With dead ends: 21555 [2022-11-23 14:20:08,702 INFO L226 Difference]: Without dead ends: 10800 [2022-11-23 14:20:08,950 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 [2022-11-23 14:20:08,951 INFO L413 NwaCegarLoop]: 8611 mSDtfsCounter, 11 mSDsluCounter, 33632 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:20:08,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42243 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-23 14:20:08,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10800 states. [2022-11-23 14:20:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10800 to 10774. [2022-11-23 14:20:12,362 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) [2022-11-23 14:20:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10774 states to 10774 states and 19160 transitions. [2022-11-23 14:20:12,460 INFO L78 Accepts]: Start accepts. Automaton has 10774 states and 19160 transitions. Word has length 79 [2022-11-23 14:20:12,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:20:12,462 INFO L495 AbstractCegarLoop]: Abstraction has 10774 states and 19160 transitions. [2022-11-23 14:20:12,462 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) [2022-11-23 14:20:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10774 states and 19160 transitions. [2022-11-23 14:20:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 14:20:12,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:20:12,469 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] [2022-11-23 14:20:12,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:12,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:12,683 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:20:12,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:20:12,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1294044403, now seen corresponding path program 1 times [2022-11-23 14:20:12,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:20:12,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863877112] [2022-11-23 14:20:12,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:20:12,691 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 [2022-11-23 14:20:12,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:20:12,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:20:12,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:20:22,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 5537 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:20:22,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:20:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:20:22,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:20:22,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:20:22,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863877112] [2022-11-23 14:20:22,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863877112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:20:22,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:20:22,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 14:20:22,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550365557] [2022-11-23 14:20:22,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:20:22,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:20:22,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:20:22,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:20:22,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:20:22,498 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) [2022-11-23 14:20:24,547 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 [] [2022-11-23 14:20:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:20:29,605 INFO L93 Difference]: Finished difference Result 21579 states and 38658 transitions. [2022-11-23 14:20:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:20:29,606 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 [2022-11-23 14:20:29,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:20:29,715 INFO L225 Difference]: With dead ends: 21579 [2022-11-23 14:20:29,715 INFO L226 Difference]: Without dead ends: 10808 [2022-11-23 14:20:29,830 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 [2022-11-23 14:20:29,831 INFO L413 NwaCegarLoop]: 8604 mSDtfsCounter, 11 mSDsluCounter, 33607 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:20:29,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42211 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-23 14:20:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10808 states. [2022-11-23 14:20:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10808 to 10778. [2022-11-23 14:20:33,367 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) [2022-11-23 14:20:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 19164 transitions. [2022-11-23 14:20:33,464 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 19164 transitions. Word has length 79 [2022-11-23 14:20:33,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:20:33,465 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 19164 transitions. [2022-11-23 14:20:33,465 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) [2022-11-23 14:20:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 19164 transitions. [2022-11-23 14:20:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 14:20:33,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:20:33,474 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] [2022-11-23 14:20:33,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:33,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:33,687 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:20:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:20:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1239860732, now seen corresponding path program 1 times [2022-11-23 14:20:33,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:20:33,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019767592] [2022-11-23 14:20:33,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:20:33,693 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 [2022-11-23 14:20:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:20:33,699 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:20:33,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:20:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:20:41,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 5511 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 14:20:41,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:20:42,522 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:20:42,523 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 [2022-11-23 14:20:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:20:42,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:20:42,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:20:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019767592] [2022-11-23 14:20:42,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019767592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:20:42,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:20:42,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:20:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873144832] [2022-11-23 14:20:42,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:20:42,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:20:42,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:20:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:20:42,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:20:42,562 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) [2022-11-23 14:20:45,229 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 [] [2022-11-23 14:20:47,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:20:51,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:07,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:21:12,906 INFO L93 Difference]: Finished difference Result 21718 states and 38619 transitions. [2022-11-23 14:21:12,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:21:12,907 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 [2022-11-23 14:21:12,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:21:13,003 INFO L225 Difference]: With dead ends: 21718 [2022-11-23 14:21:13,003 INFO L226 Difference]: Without dead ends: 10943 [2022-11-23 14:21:13,101 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 [2022-11-23 14:21:13,102 INFO L413 NwaCegarLoop]: 8612 mSDtfsCounter, 191 mSDsluCounter, 15774 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 24386 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:21:13,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 24386 Invalid, 1500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1493 Invalid, 3 Unknown, 0 Unchecked, 29.5s Time] [2022-11-23 14:21:13,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10943 states. [2022-11-23 14:21:16,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10943 to 10890. [2022-11-23 14:21:16,320 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) [2022-11-23 14:21:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10890 states to 10890 states and 19332 transitions. [2022-11-23 14:21:16,422 INFO L78 Accepts]: Start accepts. Automaton has 10890 states and 19332 transitions. Word has length 73 [2022-11-23 14:21:16,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:21:16,422 INFO L495 AbstractCegarLoop]: Abstraction has 10890 states and 19332 transitions. [2022-11-23 14:21:16,422 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) [2022-11-23 14:21:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 10890 states and 19332 transitions. [2022-11-23 14:21:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-23 14:21:16,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:16,430 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] [2022-11-23 14:21:16,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:21:16,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:21:16,643 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:21:16,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:16,643 INFO L85 PathProgramCache]: Analyzing trace with hash 547936002, now seen corresponding path program 1 times [2022-11-23 14:21:16,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:21:16,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6352765] [2022-11-23 14:21:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:16,651 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 [2022-11-23 14:21:16,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:21:16,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:21:16,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:23:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:23:34,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 5541 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-23 14:23:34,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:23:35,987 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:23:35,987 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 [2022-11-23 14:23:36,311 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 [2022-11-23 14:23:36,380 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-23 14:23:36,381 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 47 treesize of output 46 [2022-11-23 14:23:36,496 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:23:36,497 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 1 case distinctions, treesize of input 27 treesize of output 31 [2022-11-23 14:23:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:23:37,016 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:23:37,016 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 [2022-11-23 14:23:37,208 INFO L321 Elim1Store]: treesize reduction 17, result has 45.2 percent of original size [2022-11-23 14:23:37,209 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 39 treesize of output 46 [2022-11-23 14:23:37,330 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:23:37,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 66 [2022-11-23 14:23:37,757 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 14:23:37,758 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 [2022-11-23 14:23:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:23:37,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:23:37,834 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:23:37,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6352765] [2022-11-23 14:23:37,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6352765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:23:37,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:23:37,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:23:37,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006956960] [2022-11-23 14:23:37,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:23:37,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:23:37,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:23:37,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:23:37,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=37, Unknown=1, NotChecked=0, Total=56 [2022-11-23 14:23:37,837 INFO L87 Difference]: Start difference. First operand 10890 states and 19332 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 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) [2022-11-23 14:23:40,279 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 [0] [2022-11-23 14:23:44,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:23:49,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:23:51,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:23:52,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 14:23:56,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:25:11,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:25:12,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:25:14,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 14:25:36,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:36,449 INFO L93 Difference]: Finished difference Result 22593 states and 40233 transitions. [2022-11-23 14:25:36,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 14:25:36,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 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 [2022-11-23 14:25:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:36,561 INFO L225 Difference]: With dead ends: 22593 [2022-11-23 14:25:36,561 INFO L226 Difference]: Without dead ends: 11816 [2022-11-23 14:25:36,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=74, Unknown=1, NotChecked=0, Total=110 [2022-11-23 14:25:36,679 INFO L413 NwaCegarLoop]: 8644 mSDtfsCounter, 992 mSDsluCounter, 35729 mSDsCounter, 0 mSdLazyCounter, 8919 mSolverCounterSat, 327 mSolverCounterUnsat, 164 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 44373 SdHoareTripleChecker+Invalid, 9410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 8919 IncrementalHoareTripleChecker+Invalid, 164 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:36,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 44373 Invalid, 9410 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [327 Valid, 8919 Invalid, 164 Unknown, 0 Unchecked, 117.0s Time] [2022-11-23 14:25:36,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11816 states. [2022-11-23 14:25:39,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11816 to 11713. [2022-11-23 14:25:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11713 states, 8748 states have (on average 1.5244627343392776) internal successors, (13336), 8828 states have internal predecessors, (13336), 2801 states have call successors, (2801), 176 states have call predecessors, (2801), 163 states have return successors, (4526), 2712 states have call predecessors, (4526), 2795 states have call successors, (4526) [2022-11-23 14:25:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11713 states to 11713 states and 20663 transitions. [2022-11-23 14:25:40,125 INFO L78 Accepts]: Start accepts. Automaton has 11713 states and 20663 transitions. Word has length 81 [2022-11-23 14:25:40,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:40,126 INFO L495 AbstractCegarLoop]: Abstraction has 11713 states and 20663 transitions. [2022-11-23 14:25:40,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 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) [2022-11-23 14:25:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11713 states and 20663 transitions. [2022-11-23 14:25:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-23 14:25:40,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:40,137 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] [2022-11-23 14:25:40,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:25:40,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 14:25:40,351 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:25:40,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:40,351 INFO L85 PathProgramCache]: Analyzing trace with hash -822728917, now seen corresponding path program 1 times [2022-11-23 14:25:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:40,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955216304] [2022-11-23 14:25:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:40,360 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 [2022-11-23 14:25:40,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:40,362 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 14:25:40,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccda825c-746c-4693-96f0-76c39f3f35f7/bin/utaipan-Q6hlc19bkW/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