./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:07:52,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:07:52,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:07:52,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:07:52,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:07:52,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:07:52,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:07:52,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:07:52,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:07:52,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:07:52,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:07:52,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:07:52,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:07:52,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:07:52,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:07:52,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:07:52,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:07:52,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:07:52,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:07:52,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:07:52,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:07:52,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:07:52,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:07:52,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:07:52,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:07:52,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:07:52,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:07:52,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:07:52,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:07:52,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:07:52,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:07:52,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:07:52,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:07:52,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:07:52,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:07:52,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:07:52,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:07:52,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:07:52,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:07:52,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:07:52,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:07:52,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:07:52,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:07:52,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:07:52,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:07:52,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:07:52,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:07:52,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:07:52,193 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:07:52,193 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:07:52,193 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:07:52,194 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:07:52,195 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:07:52,195 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:07:52,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:07:52,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:07:52,196 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:07:52,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:07:52,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:07:52,197 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:07:52,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:07:52,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:07:52,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:07:52,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:07:52,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:07:52,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:07:52,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:07:52,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:07:52,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:07:52,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:07:52,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:07:52,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:07:52,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:07:52,203 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:07:52,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:07:52,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:07:52,204 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:07:52,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:07:52,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:07:52,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:07:52,206 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_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 [2022-11-22 01:07:52,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:07:52,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:07:52,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:07:52,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:07:52,647 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:07:52,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-22 01:07:55,987 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:07:56,871 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:07:56,871 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-22 01:07:56,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data/b118d4507/c197bbed4fef4cf090a0e750e5299fe3/FLAGe653c18f7 [2022-11-22 01:07:56,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data/b118d4507/c197bbed4fef4cf090a0e750e5299fe3 [2022-11-22 01:07:56,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:07:56,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:07:56,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:07:56,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:07:56,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:07:56,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:56" (1/1) ... [2022-11-22 01:07:56,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c333672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56, skipping insertion in model container [2022-11-22 01:07:56,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:56" (1/1) ... [2022-11-22 01:07:56,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:07:57,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:07:59,650 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_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-22 01:07:59,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:07:59,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:08:00,678 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_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-22 01:08:00,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:00,808 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:08:00,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00 WrapperNode [2022-11-22 01:08:00,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:00,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:00,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:08:00,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:08:00,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:01,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:01,496 INFO L138 Inliner]: procedures = 189, calls = 7161, calls flagged for inlining = 69, calls inlined = 54, statements flattened = 16750 [2022-11-22 01:08:01,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:01,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:08:01,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:08:01,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:08:01,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:01,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:01,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:01,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:02,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:02,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:02,290 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:02,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:02,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:08:02,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:08:02,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:08:02,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:08:02,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (1/1) ... [2022-11-22 01:08:02,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:02,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:02,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:08:02,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:08:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock [2022-11-22 01:08:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock [2022-11-22 01:08:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-22 01:08:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-22 01:08:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-22 01:08:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-22 01:08:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:08:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:08:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:08:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-22 01:08:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-22 01:08:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock [2022-11-22 01:08:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock [2022-11-22 01:08:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-22 01:08:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-22 01:08:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:08:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:08:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-22 01:08:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-22 01:08:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:08:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-22 01:08:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-22 01:08:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-22 01:08:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-22 01:08:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-22 01:08:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-22 01:08:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:08:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:08:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-22 01:08:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-22 01:08:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-22 01:08:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-22 01:08:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:08:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:08:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:08:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-22 01:08:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-22 01:08:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:08:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:08:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-22 01:08:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-22 01:08:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-22 01:08:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-22 01:08:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-22 01:08:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-22 01:08:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-22 01:08:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-22 01:08:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:08:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:08:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-22 01:08:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-22 01:08:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-22 01:08:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-22 01:08:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 01:08:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 01:08:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 01:08:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 01:08:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-22 01:08:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-22 01:08:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:08:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:08:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:08:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-22 01:08:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-22 01:08:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-22 01:08:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-22 01:08:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-22 01:08:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-22 01:08:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:08:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:08:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:08:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-22 01:08:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-22 01:08:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-22 01:08:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-22 01:08:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-22 01:08:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-22 01:08:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-22 01:08:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-22 01:08:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-22 01:08:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-22 01:08:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:08:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:08:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-22 01:08:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-22 01:08:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-22 01:08:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-22 01:08:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-22 01:08:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-22 01:08:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-22 01:08:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-22 01:08:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:08:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:08:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-22 01:08:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-22 01:08:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-22 01:08:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-22 01:08:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:08:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-22 01:08:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-22 01:08:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock [2022-11-22 01:08:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock [2022-11-22 01:08:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-22 01:08:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-22 01:08:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:08:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-22 01:08:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-22 01:08:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:08:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:08:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-22 01:08:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-22 01:08:03,899 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:08:03,902 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:08:19,606 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:08:32,286 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:08:32,288 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:08:32,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:32 BoogieIcfgContainer [2022-11-22 01:08:32,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:08:32,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:08:32,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:08:32,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:08:32,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:07:56" (1/3) ... [2022-11-22 01:08:32,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397300d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:32, skipping insertion in model container [2022-11-22 01:08:32,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00" (2/3) ... [2022-11-22 01:08:32,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397300d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:32, skipping insertion in model container [2022-11-22 01:08:32,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:32" (3/3) ... [2022-11-22 01:08:32,323 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-22 01:08:32,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:08:32,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:08:32,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:08:32,503 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;@5c65e2e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:08:32,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:08:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 4156 states, 2829 states have (on average 1.44220572640509) internal successors, (4080), 2843 states have internal predecessors, (4080), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) [2022-11-22 01:08:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:08:32,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:32,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:08:32,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:08:32,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:32,545 INFO L85 PathProgramCache]: Analyzing trace with hash -2123467639, now seen corresponding path program 1 times [2022-11-22 01:08:32,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:32,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779887296] [2022-11-22 01:08:32,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:33,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:33,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779887296] [2022-11-22 01:08:33,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779887296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:33,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:33,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:08:33,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599070097] [2022-11-22 01:08:33,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:33,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:08:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:33,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:08:33,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:08:33,909 INFO L87 Difference]: Start difference. First operand has 4156 states, 2829 states have (on average 1.44220572640509) internal successors, (4080), 2843 states have internal predecessors, (4080), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:38,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:08:40,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:08:42,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:08:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:43,238 INFO L93 Difference]: Finished difference Result 11439 states and 18339 transitions. [2022-11-22 01:08:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:08:43,241 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 [2022-11-22 01:08:43,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:43,313 INFO L225 Difference]: With dead ends: 11439 [2022-11-22 01:08:43,313 INFO L226 Difference]: Without dead ends: 7282 [2022-11-22 01:08:43,369 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 [2022-11-22 01:08:43,374 INFO L413 NwaCegarLoop]: 7325 mSDtfsCounter, 6593 mSDsluCounter, 4837 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6595 SdHoareTripleChecker+Valid, 12162 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:43,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6595 Valid, 12162 Invalid, 400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 398 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-11-22 01:08:43,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7282 states. [2022-11-22 01:08:45,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7282 to 7266. [2022-11-22 01:08:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7266 states, 4967 states have (on average 1.441715321119388) internal successors, (7161), 4984 states have internal predecessors, (7161), 2215 states have call successors, (2215), 84 states have call predecessors, (2215), 83 states have return successors, (2206), 2200 states have call predecessors, (2206), 2206 states have call successors, (2206) [2022-11-22 01:08:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7266 states to 7266 states and 11582 transitions. [2022-11-22 01:08:45,560 INFO L78 Accepts]: Start accepts. Automaton has 7266 states and 11582 transitions. Word has length 6 [2022-11-22 01:08:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:45,561 INFO L495 AbstractCegarLoop]: Abstraction has 7266 states and 11582 transitions. [2022-11-22 01:08:45,561 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) [2022-11-22 01:08:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 7266 states and 11582 transitions. [2022-11-22 01:08:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:08:45,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:45,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:45,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:08:45,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:08:45,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1405484062, now seen corresponding path program 1 times [2022-11-22 01:08:45,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:45,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930873287] [2022-11-22 01:08:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:45,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:46,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:46,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930873287] [2022-11-22 01:08:46,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930873287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:46,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:46,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:08:46,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847087548] [2022-11-22 01:08:46,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:46,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:08:46,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:46,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:08:46,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:08:46,438 INFO L87 Difference]: Start difference. First operand 7266 states and 11582 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:48,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:08:51,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:08:51,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:51,788 INFO L93 Difference]: Finished difference Result 14586 states and 23234 transitions. [2022-11-22 01:08:51,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:08:51,790 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 [2022-11-22 01:08:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:51,850 INFO L225 Difference]: With dead ends: 14586 [2022-11-22 01:08:51,850 INFO L226 Difference]: Without dead ends: 7321 [2022-11-22 01:08:51,917 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 [2022-11-22 01:08:51,919 INFO L413 NwaCegarLoop]: 6386 mSDtfsCounter, 6406 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6406 SdHoareTripleChecker+Valid, 6606 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:51,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6406 Valid, 6606 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-22 01:08:51,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2022-11-22 01:08:53,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 7318. [2022-11-22 01:08:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7318 states, 5002 states have (on average 1.4400239904038385) internal successors, (7203), 5017 states have internal predecessors, (7203), 2222 states have call successors, (2222), 95 states have call predecessors, (2222), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-22 01:08:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7318 states to 7318 states and 11639 transitions. [2022-11-22 01:08:53,801 INFO L78 Accepts]: Start accepts. Automaton has 7318 states and 11639 transitions. Word has length 7 [2022-11-22 01:08:53,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:53,804 INFO L495 AbstractCegarLoop]: Abstraction has 7318 states and 11639 transitions. [2022-11-22 01:08:53,805 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) [2022-11-22 01:08:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 7318 states and 11639 transitions. [2022-11-22 01:08:53,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:08:53,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:53,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:53,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:08:53,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:08:53,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:53,808 INFO L85 PathProgramCache]: Analyzing trace with hash -622824788, now seen corresponding path program 1 times [2022-11-22 01:08:53,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:53,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447667308] [2022-11-22 01:08:53,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:53,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:54,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:54,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447667308] [2022-11-22 01:08:54,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447667308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:54,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:54,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:08:54,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324071388] [2022-11-22 01:08:54,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:54,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:08:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:08:54,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:08:54,436 INFO L87 Difference]: Start difference. First operand 7318 states and 11639 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:56,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:08:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:57,765 INFO L93 Difference]: Finished difference Result 7320 states and 11640 transitions. [2022-11-22 01:08:57,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:08:57,766 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 [2022-11-22 01:08:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:57,812 INFO L225 Difference]: With dead ends: 7320 [2022-11-22 01:08:57,812 INFO L226 Difference]: Without dead ends: 7317 [2022-11-22 01:08:57,818 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 [2022-11-22 01:08:57,819 INFO L413 NwaCegarLoop]: 6379 mSDtfsCounter, 6608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6608 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:57,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6608 Valid, 6379 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-22 01:08:57,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7317 states. [2022-11-22 01:08:59,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7317 to 7317. [2022-11-22 01:08:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7317 states, 5002 states have (on average 1.4398240703718512) internal successors, (7202), 5016 states have internal predecessors, (7202), 2221 states have call successors, (2221), 95 states have call predecessors, (2221), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-22 01:08:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7317 states to 7317 states and 11637 transitions. [2022-11-22 01:08:59,203 INFO L78 Accepts]: Start accepts. Automaton has 7317 states and 11637 transitions. Word has length 8 [2022-11-22 01:08:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:59,203 INFO L495 AbstractCegarLoop]: Abstraction has 7317 states and 11637 transitions. [2022-11-22 01:08:59,204 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) [2022-11-22 01:08:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7317 states and 11637 transitions. [2022-11-22 01:08:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:08:59,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:59,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:59,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:08:59,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:08:59,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:59,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2130186203, now seen corresponding path program 1 times [2022-11-22 01:08:59,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:59,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021231152] [2022-11-22 01:08:59,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:59,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:59,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:59,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021231152] [2022-11-22 01:08:59,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021231152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:59,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:59,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:08:59,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161649023] [2022-11-22 01:08:59,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:59,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:08:59,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:59,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:08:59,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:08:59,867 INFO L87 Difference]: Start difference. First operand 7317 states and 11637 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:09:01,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:03,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:03,163 INFO L93 Difference]: Finished difference Result 7319 states and 11638 transitions. [2022-11-22 01:09:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:09:03,164 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 [2022-11-22 01:09:03,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:03,218 INFO L225 Difference]: With dead ends: 7319 [2022-11-22 01:09:03,218 INFO L226 Difference]: Without dead ends: 7316 [2022-11-22 01:09:03,225 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 [2022-11-22 01:09:03,226 INFO L413 NwaCegarLoop]: 6377 mSDtfsCounter, 6605 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6605 SdHoareTripleChecker+Valid, 6377 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:03,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6605 Valid, 6377 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-22 01:09:03,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7316 states. [2022-11-22 01:09:04,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7316 to 7316. [2022-11-22 01:09:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7316 states, 5002 states have (on average 1.4396241503398641) internal successors, (7201), 5015 states have internal predecessors, (7201), 2220 states have call successors, (2220), 95 states have call predecessors, (2220), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-22 01:09:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7316 states to 7316 states and 11635 transitions. [2022-11-22 01:09:04,636 INFO L78 Accepts]: Start accepts. Automaton has 7316 states and 11635 transitions. Word has length 9 [2022-11-22 01:09:04,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:04,636 INFO L495 AbstractCegarLoop]: Abstraction has 7316 states and 11635 transitions. [2022-11-22 01:09:04,636 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) [2022-11-22 01:09:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 7316 states and 11635 transitions. [2022-11-22 01:09:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:09:04,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:04,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:09:04,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:09:04,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:09:04,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:04,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1613744945, now seen corresponding path program 1 times [2022-11-22 01:09:04,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:04,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549049356] [2022-11-22 01:09:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:04,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:09:05,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:05,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549049356] [2022-11-22 01:09:05,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549049356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:05,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:05,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:09:05,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99826942] [2022-11-22 01:09:05,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:05,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:09:05,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:05,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:09:05,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:09:05,140 INFO L87 Difference]: Start difference. First operand 7316 states and 11635 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:09:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:08,187 INFO L93 Difference]: Finished difference Result 7318 states and 11636 transitions. [2022-11-22 01:09:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:09:08,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-22 01:09:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:08,231 INFO L225 Difference]: With dead ends: 7318 [2022-11-22 01:09:08,231 INFO L226 Difference]: Without dead ends: 7315 [2022-11-22 01:09:08,239 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 [2022-11-22 01:09:08,240 INFO L413 NwaCegarLoop]: 6375 mSDtfsCounter, 6602 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6602 SdHoareTripleChecker+Valid, 6375 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:08,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6602 Valid, 6375 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 01:09:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2022-11-22 01:09:09,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 7315. [2022-11-22 01:09:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7315 states, 5002 states have (on average 1.4394242303078768) internal successors, (7200), 5014 states have internal predecessors, (7200), 2219 states have call successors, (2219), 95 states have call predecessors, (2219), 93 states have return successors, (2214), 2208 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-22 01:09:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7315 states to 7315 states and 11633 transitions. [2022-11-22 01:09:09,909 INFO L78 Accepts]: Start accepts. Automaton has 7315 states and 11633 transitions. Word has length 10 [2022-11-22 01:09:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:09,909 INFO L495 AbstractCegarLoop]: Abstraction has 7315 states and 11633 transitions. [2022-11-22 01:09:09,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:09:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 7315 states and 11633 transitions. [2022-11-22 01:09:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:09:09,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:09,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:09:09,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:09:09,911 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:09:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:09,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1511037032, now seen corresponding path program 1 times [2022-11-22 01:09:09,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:09,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217424376] [2022-11-22 01:09:09,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:09,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:09:10,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:10,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217424376] [2022-11-22 01:09:10,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217424376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:10,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:10,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:09:10,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931387269] [2022-11-22 01:09:10,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:10,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:09:10,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:10,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:09:10,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:09:10,458 INFO L87 Difference]: Start difference. First operand 7315 states and 11633 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:09:12,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:14,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:17,550 INFO L93 Difference]: Finished difference Result 21919 states and 35069 transitions. [2022-11-22 01:09:17,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:09:17,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:09:17,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:17,646 INFO L225 Difference]: With dead ends: 21919 [2022-11-22 01:09:17,646 INFO L226 Difference]: Without dead ends: 14599 [2022-11-22 01:09:17,711 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 [2022-11-22 01:09:17,712 INFO L413 NwaCegarLoop]: 7759 mSDtfsCounter, 6631 mSDsluCounter, 6403 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6631 SdHoareTripleChecker+Valid, 14162 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:17,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6631 Valid, 14162 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-22 01:09:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14599 states. [2022-11-22 01:09:20,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14599 to 14586. [2022-11-22 01:09:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14586 states, 9978 states have (on average 1.4400681499298456) internal successors, (14369), 10001 states have internal predecessors, (14369), 4425 states have call successors, (4425), 185 states have call predecessors, (4425), 182 states have return successors, (4544), 4405 states have call predecessors, (4544), 4418 states have call successors, (4544) [2022-11-22 01:09:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14586 states to 14586 states and 23338 transitions. [2022-11-22 01:09:20,611 INFO L78 Accepts]: Start accepts. Automaton has 14586 states and 23338 transitions. Word has length 11 [2022-11-22 01:09:20,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:20,612 INFO L495 AbstractCegarLoop]: Abstraction has 14586 states and 23338 transitions. [2022-11-22 01:09:20,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:09:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14586 states and 23338 transitions. [2022-11-22 01:09:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-22 01:09:20,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:20,626 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] [2022-11-22 01:09:20,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:09:20,626 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:09:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:20,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1108441458, now seen corresponding path program 1 times [2022-11-22 01:09:20,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:20,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573321459] [2022-11-22 01:09:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:09:23,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:23,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573321459] [2022-11-22 01:09:23,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573321459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:23,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:23,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:09:23,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913843310] [2022-11-22 01:09:23,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:23,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:09:23,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:23,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:09:23,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:09:23,162 INFO L87 Difference]: Start difference. First operand 14586 states and 23338 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:09:27,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:28,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:29,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:30,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:33,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:33,598 INFO L93 Difference]: Finished difference Result 29378 states and 47321 transitions. [2022-11-22 01:09:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:09:33,599 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 [2022-11-22 01:09:33,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:33,704 INFO L225 Difference]: With dead ends: 29378 [2022-11-22 01:09:33,704 INFO L226 Difference]: Without dead ends: 14793 [2022-11-22 01:09:34,155 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 [2022-11-22 01:09:34,156 INFO L413 NwaCegarLoop]: 6353 mSDtfsCounter, 160 mSDsluCounter, 18904 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 25257 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:34,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 25257 Invalid, 1132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-22 01:09:34,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14793 states. [2022-11-22 01:09:36,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14793 to 14766. [2022-11-22 01:09:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14766 states, 10112 states have (on average 1.4370055379746836) internal successors, (14531), 10137 states have internal predecessors, (14531), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-22 01:09:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14766 states to 14766 states and 23613 transitions. [2022-11-22 01:09:36,862 INFO L78 Accepts]: Start accepts. Automaton has 14766 states and 23613 transitions. Word has length 53 [2022-11-22 01:09:36,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:36,863 INFO L495 AbstractCegarLoop]: Abstraction has 14766 states and 23613 transitions. [2022-11-22 01:09:36,864 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) [2022-11-22 01:09:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14766 states and 23613 transitions. [2022-11-22 01:09:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-22 01:09:36,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:36,871 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] [2022-11-22 01:09:36,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:09:36,871 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:09:36,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:36,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1350441522, now seen corresponding path program 1 times [2022-11-22 01:09:36,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:36,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082216442] [2022-11-22 01:09:36,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:36,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:09:38,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:38,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082216442] [2022-11-22 01:09:38,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082216442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:38,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:38,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:09:38,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42497432] [2022-11-22 01:09:38,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:38,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:09:38,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:38,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:09:38,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:09:38,005 INFO L87 Difference]: Start difference. First operand 14766 states and 23613 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:09:40,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:41,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:43,988 INFO L93 Difference]: Finished difference Result 14769 states and 23615 transitions. [2022-11-22 01:09:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:09:43,989 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 [2022-11-22 01:09:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:44,065 INFO L225 Difference]: With dead ends: 14769 [2022-11-22 01:09:44,065 INFO L226 Difference]: Without dead ends: 14766 [2022-11-22 01:09:44,073 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 [2022-11-22 01:09:44,073 INFO L413 NwaCegarLoop]: 6381 mSDtfsCounter, 224 mSDsluCounter, 6178 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 12559 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:44,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 12559 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-22 01:09:44,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14766 states. [2022-11-22 01:09:46,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14766 to 14766. [2022-11-22 01:09:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14766 states, 10112 states have (on average 1.4366099683544304) internal successors, (14527), 10137 states have internal predecessors, (14527), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-22 01:09:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14766 states to 14766 states and 23609 transitions. [2022-11-22 01:09:47,007 INFO L78 Accepts]: Start accepts. Automaton has 14766 states and 23609 transitions. Word has length 54 [2022-11-22 01:09:47,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:47,010 INFO L495 AbstractCegarLoop]: Abstraction has 14766 states and 23609 transitions. [2022-11-22 01:09:47,011 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) [2022-11-22 01:09:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14766 states and 23609 transitions. [2022-11-22 01:09:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 01:09:47,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:47,015 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] [2022-11-22 01:09:47,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:09:47,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:09:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1106335044, now seen corresponding path program 1 times [2022-11-22 01:09:47,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:47,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409572821] [2022-11-22 01:09:47,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:47,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:09:54,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:54,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409572821] [2022-11-22 01:09:54,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409572821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:54,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:54,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:09:54,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209430967] [2022-11-22 01:09:54,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:54,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:09:54,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:54,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:09:54,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:09:54,954 INFO L87 Difference]: Start difference. First operand 14766 states and 23609 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:09:57,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:58,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:01,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:01,397 INFO L93 Difference]: Finished difference Result 29539 states and 50400 transitions. [2022-11-22 01:10:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:10:01,398 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 [2022-11-22 01:10:01,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:01,485 INFO L225 Difference]: With dead ends: 29539 [2022-11-22 01:10:01,485 INFO L226 Difference]: Without dead ends: 14774 [2022-11-22 01:10:01,651 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 [2022-11-22 01:10:01,652 INFO L413 NwaCegarLoop]: 6375 mSDtfsCounter, 0 mSDsluCounter, 6372 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12747 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:01,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12747 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-22 01:10:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14774 states. [2022-11-22 01:10:04,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14774 to 14774. [2022-11-22 01:10:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14774 states, 10120 states have (on average 1.4362648221343874) internal successors, (14535), 10145 states have internal predecessors, (14535), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-22 01:10:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14774 states to 14774 states and 23617 transitions. [2022-11-22 01:10:04,641 INFO L78 Accepts]: Start accepts. Automaton has 14774 states and 23617 transitions. Word has length 58 [2022-11-22 01:10:04,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:04,643 INFO L495 AbstractCegarLoop]: Abstraction has 14774 states and 23617 transitions. [2022-11-22 01:10:04,643 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) [2022-11-22 01:10:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 14774 states and 23617 transitions. [2022-11-22 01:10:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-22 01:10:04,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:04,648 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] [2022-11-22 01:10:04,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:10:04,649 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:10:04,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1646681180, now seen corresponding path program 1 times [2022-11-22 01:10:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:04,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580231307] [2022-11-22 01:10:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:10:09,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:09,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580231307] [2022-11-22 01:10:09,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580231307] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:10:09,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090143180] [2022-11-22 01:10:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:09,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:10:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:10:09,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:10:09,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:10:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:12,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 8490 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:10:12,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:10:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:10:12,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:10:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:10:12,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090143180] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:10:12,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:10:12,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-22 01:10:12,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662773563] [2022-11-22 01:10:12,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:12,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:10:12,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:12,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:10:12,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:10:12,466 INFO L87 Difference]: Start difference. First operand 14774 states and 23617 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:10:15,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:16,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:20,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:21,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:21,154 INFO L93 Difference]: Finished difference Result 29555 states and 50416 transitions. [2022-11-22 01:10:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:10:21,159 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 [2022-11-22 01:10:21,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:21,277 INFO L225 Difference]: With dead ends: 29555 [2022-11-22 01:10:21,277 INFO L226 Difference]: Without dead ends: 14782 [2022-11-22 01:10:21,547 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 [2022-11-22 01:10:21,548 INFO L413 NwaCegarLoop]: 6373 mSDtfsCounter, 11 mSDsluCounter, 6370 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12743 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:21,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 12743 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 01:10:21,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14782 states. [2022-11-22 01:10:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14782 to 14782. [2022-11-22 01:10:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14782 states, 10128 states have (on average 1.4359202211690363) internal successors, (14543), 10153 states have internal predecessors, (14543), 4465 states have call successors, (4465), 189 states have call predecessors, (4465), 188 states have return successors, (4617), 4445 states have call predecessors, (4617), 4458 states have call successors, (4617) [2022-11-22 01:10:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14782 states to 14782 states and 23625 transitions. [2022-11-22 01:10:24,283 INFO L78 Accepts]: Start accepts. Automaton has 14782 states and 23625 transitions. Word has length 59 [2022-11-22 01:10:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:24,284 INFO L495 AbstractCegarLoop]: Abstraction has 14782 states and 23625 transitions. [2022-11-22 01:10:24,284 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) [2022-11-22 01:10:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 14782 states and 23625 transitions. [2022-11-22 01:10:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-22 01:10:24,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:24,288 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] [2022-11-22 01:10:24,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:10:24,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 01:10:24,514 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:10:24,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:24,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1709696186, now seen corresponding path program 1 times [2022-11-22 01:10:24,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:24,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193340945] [2022-11-22 01:10:24,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:13:51,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:14:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:14:06,832 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:14:06,832 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:14:06,833 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:14:06,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:14:06,841 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:06,845 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:14:06,886 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,899 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,899 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,900 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,900 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,901 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,901 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,901 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,901 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,902 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,902 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,902 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,903 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,904 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,904 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,904 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,904 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,905 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,905 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,905 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,905 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,905 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,906 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,906 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,906 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,906 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,907 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,907 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,907 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,908 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,908 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,908 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,908 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,909 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,909 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,909 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,909 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,910 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,910 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,910 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,910 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,911 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,911 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,911 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,911 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,911 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,912 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,912 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,912 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,912 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,913 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,913 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,913 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,913 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,914 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,914 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,915 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,916 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,918 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,918 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,919 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,919 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,919 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,919 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,920 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,920 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,920 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,920 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-22 01:14:06,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-22 01:14:06,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:06,921 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-22 01:14:06,922 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled [2022-11-22 01:14:07,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:14:07 BoogieIcfgContainer [2022-11-22 01:14:07,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:14:07,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:14:07,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:14:07,099 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:14:07,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:32" (3/4) ... [2022-11-22 01:14:07,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:14:07,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:14:07,104 INFO L158 Benchmark]: Toolchain (without parser) took 370165.34ms. Allocated memory was 157.3MB in the beginning and 4.9GB in the end (delta: 4.7GB). Free memory was 107.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2022-11-22 01:14:07,104 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:14:07,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3869.54ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 107.1MB in the beginning and 83.2MB in the end (delta: 23.9MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. [2022-11-22 01:14:07,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 697.36ms. Allocated memory was 218.1MB in the beginning and 335.5MB in the end (delta: 117.4MB). Free memory was 83.2MB in the beginning and 190.1MB in the end (delta: -107.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-22 01:14:07,106 INFO L158 Benchmark]: Boogie Preprocessor took 915.86ms. Allocated memory is still 335.5MB. Free memory was 190.1MB in the beginning and 167.6MB in the end (delta: 22.5MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2022-11-22 01:14:07,107 INFO L158 Benchmark]: RCFGBuilder took 29876.08ms. Allocated memory was 335.5MB in the beginning and 3.3GB in the end (delta: 3.0GB). Free memory was 167.6MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-22 01:14:07,107 INFO L158 Benchmark]: TraceAbstraction took 334792.49ms. Allocated memory was 3.3GB in the beginning and 4.9GB in the end (delta: 1.5GB). Free memory was 3.0GB in the beginning and 1.9GB in the end (delta: 1.1GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2022-11-22 01:14:07,107 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 4.9GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:14:07,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3869.54ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 107.1MB in the beginning and 83.2MB in the end (delta: 23.9MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 697.36ms. Allocated memory was 218.1MB in the beginning and 335.5MB in the end (delta: 117.4MB). Free memory was 83.2MB in the beginning and 190.1MB in the end (delta: -107.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 915.86ms. Allocated memory is still 335.5MB. Free memory was 190.1MB in the beginning and 167.6MB in the end (delta: 22.5MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * RCFGBuilder took 29876.08ms. Allocated memory was 335.5MB in the beginning and 3.3GB in the end (delta: 3.0GB). Free memory was 167.6MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 334792.49ms. Allocated memory was 3.3GB in the beginning and 4.9GB in the end (delta: 1.5GB). Free memory was 3.0GB in the beginning and 1.9GB in the end (delta: 1.1GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 4.9GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_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_#t~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4473#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~mem4473#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 16052]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4322. Possible FailurePath: [L3524] static unsigned int verbose ; [L3525] static struct stv090x_dev *stv090x_first_dev ; [L3601-L3653] static struct stv090x_tab const stv090x_s1cn_tab[52U] = { {0, 8917}, {5, 8801}, {10, 8667}, {15, 8522}, {20, 8355}, {25, 8175}, {30, 7979}, {35, 7763}, {40, 7530}, {45, 7282}, {50, 7026}, {55, 6781}, {60, 6514}, {65, 6241}, {70, 5965}, {75, 5690}, {80, 5424}, {85, 5161}, {90, 4902}, {95, 4654}, {100, 4417}, {105, 4186}, {110, 3968}, {115, 3757}, {120, 3558}, {125, 3366}, {130, 3185}, {135, 3012}, {140, 2850}, {145, 2698}, {150, 2550}, {160, 2283}, {170, 2042}, {180, 1827}, {190, 1636}, {200, 1466}, {210, 1315}, {220, 1181}, {230, 1064}, {240, 960}, {250, 869}, {260, 792}, {270, 724}, {280, 665}, {290, 616}, {300, 573}, {310, 537}, {320, 507}, {330, 483}, {400, 398}, {450, 381}, {500, 377}}; [L3654-L3709] static struct stv090x_tab const stv090x_s2cn_tab[55U] = { {-30, 13348}, {-20, 12640}, {-10, 11883}, {0, 11101}, {5, 10718}, {10, 10339}, {15, 9947}, {20, 9552}, {25, 9183}, {30, 8799}, {35, 8422}, {40, 8062}, {45, 7707}, {50, 7353}, {55, 7025}, {60, 6684}, {65, 6331}, {70, 6036}, {75, 5727}, {80, 5437}, {85, 5164}, {90, 4902}, {95, 4653}, {100, 4408}, {105, 4187}, {110, 3961}, {115, 3751}, {120, 3558}, {125, 3368}, {130, 3191}, {135, 3017}, {140, 2862}, {145, 2710}, {150, 2565}, {160, 2300}, {170, 2058}, {180, 1849}, {190, 1663}, {200, 1495}, {210, 1349}, {220, 1222}, {230, 1110}, {240, 1011}, {250, 925}, {260, 853}, {270, 789}, {280, 734}, {290, 690}, {300, 650}, {310, 619}, {320, 593}, {330, 571}, {400, 498}, {450, 484}, {500, 481}}; [L3710-L3724] static struct stv090x_tab const stv090x_rf_tab[14U] = { {-5, 51873}, {-10, 49705}, {-15, 47880}, {-20, 46268}, {-25, 44378}, {-30, 41624}, {-35, 39080}, {-40, 33673}, {-45, 22974}, {-50, 14868}, {-55, 11537}, {-60, 8461}, {-65, 41295}, {-70, 1962}}; [L3725-L3886] static struct stv090x_reg stv0900_initval[161U] = { {61724U, 0U}, {61725U, 255U}, {61778U, 17U}, {61782U, 19U}, {63088U, 20U}, {61921U, 33U}, {61923U, 33U}, {61840U, 34U}, {61849U, 192U}, {61850U, 192U}, {61841U, 0U}, {61972U, 249U}, {61968U, 8U}, {61982U, 196U}, {62013U, 237U}, {62015U, 208U}, {62016U, 184U}, {62032U, 210U}, {62035U, 32U}, {62544U, 210U}, {62036U, 0U}, {62368U, 136U}, {62370U, 58U}, {62376U, 0U}, {62386U, 16U}, {62360U, 53U}, {62364U, 193U}, {62017U, 248U}, {61953U, 28U}, {61975U, 32U}, {61984U, 112U}, {61985U, 136U}, {61996U, 91U}, {61997U, 56U}, {62008U, 228U}, {62009U, 26U}, {62010U, 9U}, {62014U, 8U}, {62040U, 193U}, {62037U, 240U}, {62038U, 112U}, {62041U, 88U}, {62042U, 1U}, {62096U, 38U}, {62108U, 134U}, {62109U, 134U}, {62208U, 119U}, {62209U, 133U}, {62210U, 119U}, {62324U, 32U}, {61973U, 59U}, {62128U, 255U}, {62129U, 255U}, {62130U, 255U}, {62131U, 255U}, {62132U, 255U}, {62133U, 255U}, {62134U, 255U}, {62135U, 204U}, {62136U, 204U}, {62137U, 204U}, {62138U, 204U}, {62139U, 204U}, {62140U, 204U}, {62141U, 204U}, {62142U, 204U}, {62143U, 207U}, {61856U, 34U}, {61865U, 192U}, {61866U, 192U}, {61857U, 0U}, {62484U, 249U}, {62480U, 8U}, {62494U, 196U}, {62487U, 32U}, {62525U, 237U}, {62527U, 208U}, {62528U, 184U}, {62544U, 210U}, {62547U, 32U}, {62548U, 0U}, {62549U, 240U}, {62550U, 112U}, {62836U, 32U}, {62880U, 136U}, {62882U, 58U}, {62888U, 0U}, {62898U, 16U}, {62872U, 53U}, {62876U, 193U}, {62529U, 248U}, {62465U, 28U}, {62496U, 112U}, {62497U, 136U}, {62508U, 91U}, {62509U, 56U}, {62520U, 228U}, {62521U, 26U}, {62522U, 9U}, {62526U, 8U}, {62552U, 193U}, {62553U, 88U}, {62554U, 1U}, {62608U, 38U}, {62620U, 134U}, {62621U, 134U}, {62720U, 119U}, {62721U, 133U}, {62722U, 119U}, {62485U, 59U}, {62640U, 255U}, {62641U, 255U}, {62642U, 255U}, {62643U, 255U}, {62644U, 255U}, {62645U, 255U}, {62646U, 255U}, {62647U, 204U}, {62648U, 204U}, {62649U, 204U}, {62650U, 204U}, {62651U, 204U}, {62652U, 204U}, {62653U, 204U}, {62654U, 204U}, {62655U, 207U}, {64134U, 29U}, {64003U, 55U}, {64004U, 41U}, {64005U, 55U}, {64006U, 51U}, {64007U, 49U}, {64008U, 47U}, {64009U, 57U}, {64010U, 58U}, {64011U, 41U}, {64012U, 55U}, {64013U, 51U}, {64014U, 47U}, {64015U, 57U}, {64016U, 58U}, {64063U, 4U}, {64067U, 12U}, {64068U, 15U}, {64069U, 17U}, {64070U, 20U}, {64071U, 23U}, {64072U, 25U}, {64073U, 32U}, {64074U, 33U}, {64075U, 13U}, {64076U, 15U}, {64077U, 19U}, {64078U, 26U}, {64079U, 31U}, {64080U, 33U}, {62976U, 32U}, {62771U, 1U}, {62259U, 1U}, {62780U, 47U}, {62268U, 47U}}; [L3887-L3986] static struct stv090x_reg stv0903_initval[99U] = { {61724U, 0U}, {61778U, 17U}, {61890U, 72U}, {61891U, 20U}, {61920U, 39U}, {61921U, 33U}, {61856U, 34U}, {61865U, 192U}, {61866U, 192U}, {61857U, 0U}, {62484U, 249U}, {62480U, 8U}, {62494U, 196U}, {62525U, 237U}, {62689U, 130U}, {62527U, 208U}, {62528U, 184U}, {62544U, 210U}, {62547U, 32U}, {62548U, 0U}, {62549U, 240U}, {62550U, 112U}, {62836U, 32U}, {62880U, 136U}, {62882U, 58U}, {62888U, 0U}, {62898U, 16U}, {62872U, 53U}, {62876U, 193U}, {62529U, 248U}, {62465U, 28U}, {62487U, 32U}, {62496U, 112U}, {62497U, 136U}, {62508U, 91U}, {62509U, 56U}, {62520U, 228U}, {62521U, 26U}, {62522U, 9U}, {62526U, 8U}, {62552U, 193U}, {62553U, 88U}, {62554U, 1U}, {62608U, 38U}, {62620U, 134U}, {62621U, 134U}, {62720U, 119U}, {62721U, 133U}, {62722U, 119U}, {62485U, 59U}, {62640U, 255U}, {62641U, 255U}, {62642U, 255U}, {62643U, 255U}, {62644U, 255U}, {62645U, 255U}, {62646U, 255U}, {62647U, 204U}, {62648U, 204U}, {62649U, 204U}, {62650U, 204U}, {62651U, 204U}, {62652U, 204U}, {62653U, 204U}, {62654U, 204U}, {62655U, 207U}, {64134U, 28U}, {64003U, 55U}, {64004U, 41U}, {64005U, 55U}, {64006U, 51U}, {64007U, 49U}, {64008U, 47U}, {64009U, 57U}, {64010U, 58U}, {64011U, 41U}, {64012U, 55U}, {64013U, 51U}, {64014U, 47U}, {64015U, 57U}, {64016U, 58U}, {64063U, 4U}, {64067U, 12U}, {64068U, 15U}, {64069U, 17U}, {64070U, 20U}, {64071U, 23U}, {64072U, 25U}, {64073U, 32U}, {64074U, 33U}, {64075U, 13U}, {64076U, 15U}, {64077U, 19U}, {64078U, 26U}, {64079U, 31U}, {64080U, 33U}, {62976U, 32U}, {62771U, 1U}, {62780U, 47U}}; [L3987-L4019] static struct stv090x_reg stv0900_cut20_val[32U] = { {61982U, 232U}, {61983U, 16U}, {62013U, 56U}, {62014U, 32U}, {62040U, 90U}, {62208U, 6U}, {62209U, 0U}, {62210U, 4U}, {61953U, 12U}, {62494U, 232U}, {62495U, 16U}, {62525U, 56U}, {62526U, 32U}, {62552U, 90U}, {62720U, 6U}, {62721U, 0U}, {62722U, 4U}, {62465U, 12U}, {64067U, 33U}, {64068U, 33U}, {64069U, 32U}, {64070U, 31U}, {64071U, 30U}, {64072U, 30U}, {64073U, 29U}, {64074U, 27U}, {64075U, 32U}, {64076U, 32U}, {64077U, 32U}, {64078U, 32U}, {64079U, 32U}, {64080U, 33U}}; [L4020-L4043] static struct stv090x_reg stv0903_cut20_val[23U] = { {62494U, 232U}, {62495U, 16U}, {62525U, 56U}, {62526U, 32U}, {62552U, 90U}, {62720U, 6U}, {62721U, 0U}, {62722U, 4U}, {62465U, 12U}, {64067U, 33U}, {64068U, 33U}, {64069U, 32U}, {64070U, 31U}, {64071U, 30U}, {64072U, 30U}, {64073U, 29U}, {64074U, 27U}, {64075U, 32U}, {64076U, 32U}, {64077U, 32U}, {64078U, 32U}, {64079U, 32U}, {64080U, 33U}}; [L4044-L4058] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[14U] = { {STV090x_QPSK_12, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 30U}, {STV090x_QPSK_35, 47U, 63U, 46U, 47U, 61U, 15U, 14U, 46U, 61U, 14U}, {STV090x_QPSK_23, 47U, 63U, 46U, 47U, 14U, 15U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_34, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_45, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_56, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_89, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {STV090x_QPSK_910, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {STV090x_8PSK_35, 60U, 62U, 28U, 46U, 12U, 30U, 43U, 45U, 27U, 29U}, {STV090x_8PSK_23, 29U, 62U, 60U, 46U, 44U, 30U, 12U, 45U, 43U, 29U}, {STV090x_8PSK_34, 14U, 62U, 61U, 46U, 13U, 30U, 44U, 45U, 12U, 29U}, {STV090x_8PSK_56, 46U, 62U, 30U, 46U, 45U, 30U, 60U, 45U, 44U, 29U}, {STV090x_8PSK_89, 62U, 62U, 30U, 46U, 61U, 30U, 13U, 45U, 60U, 29U}, {STV090x_8PSK_910, 62U, 62U, 30U, 46U, 61U, 30U, 29U, 45U, 13U, 29U}}; [L4059-L4073] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[14U] = { {STV090x_QPSK_12, 60U, 44U, 12U, 44U, 27U, 44U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_35, 13U, 13U, 12U, 13U, 27U, 60U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_23, 29U, 13U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_34, 29U, 29U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {STV090x_QPSK_45, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {STV090x_QPSK_56, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {STV090x_QPSK_89, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {STV090x_QPSK_910, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {STV090x_8PSK_35, 57U, 41U, 57U, 25U, 25U, 25U, 25U, 25U, 9U, 25U}, {STV090x_8PSK_23, 42U, 57U, 26U, 10U, 57U, 10U, 41U, 57U, 41U, 10U}, {STV090x_8PSK_34, 43U, 58U, 27U, 27U, 58U, 27U, 26U, 11U, 26U, 58U}, {STV090x_8PSK_56, 12U, 27U, 59U, 59U, 27U, 59U, 58U, 59U, 58U, 27U}, {STV090x_8PSK_89, 13U, 60U, 44U, 44U, 43U, 12U, 11U, 59U, 11U, 27U}, {STV090x_8PSK_910, 13U, 13U, 44U, 60U, 59U, 28U, 11U, 59U, 11U, 27U}}; [L4074-L4085] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[11U] = { {STV090x_16APSK_23, 12U, 12U, 12U, 12U, 29U, 12U, 60U, 12U, 44U, 12U}, {STV090x_16APSK_34, 12U, 12U, 12U, 12U, 14U, 12U, 45U, 12U, 29U, 12U}, {STV090x_16APSK_45, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {STV090x_16APSK_56, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {STV090x_16APSK_89, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {STV090x_16APSK_910, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {STV090x_32APSK_34, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_45, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_56, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_89, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {STV090x_32APSK_910, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}}; [L4086-L4097] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[11U] = { {STV090x_16APSK_23, 10U, 10U, 10U, 10U, 26U, 10U, 58U, 10U, 42U, 10U}, {STV090x_16APSK_34, 10U, 10U, 10U, 10U, 11U, 10U, 59U, 10U, 27U, 10U}, {STV090x_16APSK_45, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {STV090x_16APSK_56, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {STV090x_16APSK_89, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {STV090x_16APSK_910, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {STV090x_32APSK_34, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_45, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_56, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_89, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {STV090x_32APSK_910, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}}; [L4098-L4100] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[3U] = { {STV090x_QPSK_14, 15U, 63U, 14U, 63U, 45U, 47U, 45U, 31U, 61U, 62U}, {STV090x_QPSK_13, 15U, 63U, 14U, 63U, 45U, 47U, 61U, 15U, 61U, 46U}, {STV090x_QPSK_25, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 46U}}; [L4101-L4103] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[3U] = { {STV090x_QPSK_14, 12U, 60U, 11U, 60U, 42U, 44U, 42U, 28U, 58U, 59U}, {STV090x_QPSK_13, 12U, 60U, 11U, 60U, 42U, 44U, 58U, 12U, 58U, 43U}, {STV090x_QPSK_25, 28U, 60U, 27U, 60U, 58U, 28U, 58U, 59U, 58U, 43U}}; [L4104-L4107] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[4U] = { {STV090x_QPSK, 47U, 46U, 14U, 14U, 61U}, {STV090x_8PSK, 62U, 14U, 45U, 13U, 60U}, {STV090x_16APSK, 30U, 30U, 30U, 61U, 45U}, {STV090x_32APSK, 30U, 30U, 30U, 61U, 45U}}; [L4108-L4111] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[4U] = { {STV090x_QPSK, 44U, 43U, 11U, 11U, 58U}, {STV090x_8PSK, 59U, 11U, 42U, 10U, 57U}, {STV090x_16APSK, 27U, 27U, 27U, 58U, 42U}, {STV090x_32APSK, 27U, 27U, 27U, 58U, 42U}}; [L15563-L15598] static struct dvb_frontend_ops stv090x_ops = {{{'S', 'T', 'V', '0', '9', '0', 'x', ' ', 'M', 'u', 'l', 't', 'i', 's', 't', 'a', 'n', 'd', 'a', 'r', 'd', '\000'}, 0, 950000U, 2150000U, 0U, 0U, 1000000U, 45000000U, 0U, 0U, 268436993}, {5U, 6U, 4U}, & stv090x_release, 0, & stv090x_init, & stv090x_sleep, 0, 0, & stv090x_frontend_algo, 0, 0, 0, & stv090x_read_status, & stv090x_read_per, & stv090x_read_signal_strength, & stv090x_read_cnr, 0, 0, & stv090x_send_diseqc_msg, & stv090x_recv_slave_reply, & stv090x_send_diseqc_burst, & stv090x_set_tone, 0, 0, 0, 0, 0, 0, & stv090x_search, {{{(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0U, 0U, 0U, 0U, 0U, 0U}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {{0}, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L15750] int LDV_IN_INTERRUPT ; [L16062] static int ldv_mutex_cred_guard_mutex ; [L16169] static int ldv_mutex_demod_lock ; [L16276] static int ldv_mutex_lock ; [L16383] static int ldv_mutex_mtx ; [L16490] static int ldv_mutex_mutex ; [L16597] static int ldv_mutex_tuner_lock ; [L15753] struct dvb_frontend *var_group1 ; [L15754] struct dvb_diseqc_master_cmd *var_group2 ; [L15755] fe_sec_mini_cmd_t var_stv090x_send_diseqc_burst_57_p1 ; [L15756] struct dvb_diseqc_slave_reply *var_group3 ; [L15757] fe_sec_tone_mode_t var_stv090x_set_tone_54_p1 ; [L15758] enum fe_status *var_stv090x_read_status_49_p1 ; [L15759] u32 *var_stv090x_read_per_50_p1 ; [L15760] u16 *var_stv090x_read_signal_strength_52_p1 ; [L15761] u16 *var_stv090x_read_cnr_53_p1 ; [L15762] int ldv_s_stv090x_ops_dvb_frontend_ops ; [L15763] int tmp ; [L15764] int tmp___0 ; [L15766] ldv_s_stv090x_ops_dvb_frontend_ops = 0 [L15767] LDV_IN_INTERRUPT = 1 [L15768] CALL ldv_initialize() [L16707] ldv_mutex_cred_guard_mutex = 1 [L16708] ldv_mutex_demod_lock = 1 [L16709] ldv_mutex_lock = 1 [L16710] ldv_mutex_mtx = 1 [L16711] ldv_mutex_mutex = 1 [L16712] ldv_mutex_tuner_lock = 1 [L15768] RET ldv_initialize() [L15834] tmp___0 = __VERIFIER_nondet_int() [L15835] COND TRUE tmp___0 != 0 || ldv_s_stv090x_ops_dvb_frontend_ops != 0 [L15771] tmp = __VERIFIER_nondet_int() [L15773] case 0: [L15781] case 1: VAL [LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=1, tmp___0=1, verbose={777:0}] [L15782] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=1, tmp___0=1, verbose={777:0}] [L15783] CALL stv090x_init(var_group1) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L15078] struct stv090x_state *state ; [L15079] struct stv090x_config const *config ; [L15080] u32 reg ; [L15081] int tmp ; [L15082] int tmp___0 ; [L15083] int tmp___1 ; [L15084] int tmp___2 ; [L15085] int tmp___3 ; [L15086] int tmp___4 ; [L15087] int tmp___5 ; [L15088] int tmp___6 ; [L15089] int tmp___7 ; [L15090] int tmp___8 ; [L15091] int tmp___9 ; [L15092] int tmp___10 ; [L15093] int tmp___11 ; [L15094] int tmp___12 ; [L15095] int tmp___13 ; [L15096] int tmp___14 ; [L15097] int tmp___15 ; [L15098] int tmp___16 ; [L15099] int tmp___17 ; [L15100] int tmp___18 ; [L15101] int tmp___19 ; [L15102] int tmp___20 ; [L15103] int tmp___21 ; [L15105] EXPR fe->demodulator_priv [L15105] state = (struct stv090x_state *)fe->demodulator_priv [L15106] EXPR state->config [L15106] config = state->config [L15107] EXPR state->internal [L15107] EXPR (state->internal)->mclk VAL [(state->internal)->mclk=0, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, config={795:0}, fe={18446744073709550892:-778}, fe={18446744073709550892:-778}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state->internal={18446744073709550904:-324}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L15107] COND TRUE (state->internal)->mclk == 0 [L15108] CALL stv090x_i2c_gate_ctrl(state, 1) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4277] u32 reg ; [L4278] int tmp ; [L4279] int tmp___0 ; [L4280] int tmp___1 ; [L4281] int tmp___2 ; [L4282] int tmp___3 ; [L4283] int tmp___4 ; [L4284] int tmp___5 ; [L4285] int tmp___6 ; [L4286] int tmp___7 ; VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4288] COND TRUE enable != 0 [L4289] EXPR state->config [L4289] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={-793:794}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, state->config={795:0}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4289-L4290] COND TRUE (unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0) [L4291] EXPR state->config [L4291] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={-793:794}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, state->config={795:0}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4291] FCALL (*((state->config)->tuner_i2c_lock))(& state->frontend, 1) VAL [(state->config)->tuner_i2c_lock={-793:794}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, state->config={795:0}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4297] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, state->demod=2, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4297] COND TRUE (unsigned int )state->demod == 2U [L4298] CALL, EXPR stv090x_read_reg(state, 61739U) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4124] struct stv090x_config const *config ; [L4125] int ret ; [L4126] u8 b0[2U] ; [L4127] u8 buf ; [L4128] struct i2c_msg msg[2U] ; [L4129] long tmp ; [L4131] EXPR state->config [L4131] config = state->config [L4132] b0[0] = (unsigned char )(reg >> 8) [L4133] b0[1] = (unsigned char )reg [L4134] EXPR config->address [L4134] msg[0].addr = (unsigned short )config->address [L4135] msg[0].flags = 0U [L4136] msg[0].len = 2U [L4137] msg[0].buf = (__u8 *)(& b0) [L4138] EXPR config->address [L4138] msg[1].addr = (unsigned short )config->address [L4139] msg[1].flags = 1U [L4140] msg[1].len = 1U [L4141] msg[1].buf = & buf [L4142] EXPR state->i2c VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, b0={795:0}, buf={813:0}, config={795:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, msg={814:0}, reg=61739, state={797:-28}, state={797:-28}, state->i2c={18446744073709550866:18446744073709550910}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4142] CALL, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(arg2)=2, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, arg0={18446744073709550866:18446744073709550910}, arg1={814:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L16751] return __VERIFIER_nondet_int(); [L4142] RET, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, b0={795:0}, buf={813:0}, config={795:0}, i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2)=-121, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, msg={814:0}, reg=61739, state={797:-28}, state={797:-28}, state->i2c={18446744073709550866:18446744073709550910}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4142] ret = i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) [L4143] COND TRUE ret != 2 [L4144] COND TRUE ret != -512 [L4145] EXPR \read(verbose) [L4145] verbose != 0U && verbose != 0U [L4145] COND FALSE !(verbose != 0U && verbose != 0U) [L4149] EXPR \read(verbose) [L4149] verbose > 1U && verbose != 0U [L4149] COND FALSE !(verbose > 1U && verbose != 0U) [L4153] EXPR \read(verbose) [L4153] verbose > 2U && verbose != 0U [L4153] COND FALSE !(verbose > 2U && verbose != 0U) [L4157] EXPR \read(verbose) [L4157] verbose > 3U && verbose != 0U [L4157] COND FALSE !(verbose > 3U && verbose != 0U) [L4161] EXPR \read(verbose) [L4161] COND FALSE !(verbose != 0U) [L4167] return (ret < 0 ? ret : -121); [L4167] return (ret < 0 ? ret : -121); [L4167] return (ret < 0 ? ret : -121); [L4167] return (ret < 0 ? ret : -121); VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, \read(verbose)=18446744073709550827, \read(verbose)=18446744073709550888, \read(verbose)=18446744073709550847, \read(verbose)=18446744073709550839, \read(verbose)=18446744073709550841, \result=-121, config={795:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550871, printk("\017%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550835, printk("\r%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550859, printk("\v%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550896, printk("Read error, Reg=[0x%02x], Status=%d", reg, ret)=18446744073709550837, reg=61739, ret=-121, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}, verbose != 0U && verbose != 0U=0, verbose > 1U && verbose != 0U=0, verbose > 2U && verbose != 0U=0, verbose > 3U && verbose != 0U=0] [L4298] RET, EXPR stv090x_read_reg(state, 61739U) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_read_reg(state, 61739U)=-121, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4298] tmp = stv090x_read_reg(state, 61739U) [L4299] tmp___1 = tmp VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=-121, tmp___1=-121, verbose={777:0}] [L4304] reg = (u32 )tmp___1 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=4294967175, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=-121, tmp___1=-121, verbose={777:0}] [L4305] COND TRUE enable != 0 [L4306] EXPR \read(verbose) [L4306] verbose != 0U && verbose > 3U [L4306] COND FALSE !(verbose != 0U && verbose > 3U) [L4309] EXPR \read(verbose) [L4309] verbose > 1U && verbose > 3U [L4309] COND FALSE !(verbose > 1U && verbose > 3U) [L4312] EXPR \read(verbose) [L4312] verbose > 2U && verbose > 3U [L4312] COND FALSE !(verbose > 2U && verbose > 3U) [L4315] EXPR \read(verbose) [L4315] verbose > 3U && verbose > 3U [L4315] COND FALSE !(verbose > 3U && verbose > 3U) [L4318] EXPR \read(verbose) [L4318] COND FALSE !(verbose > 3U) [L4322] reg = reg | 128U [L4323] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550902, \read(verbose)=18446744073709550879, \read(verbose)=18446744073709550890, \read(verbose)=18446744073709550834, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550854, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550855, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550903, printk("Enable Gate")=18446744073709550823, reg=1024, state={797:-28}, state={797:-28}, state->demod=2, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=-121, tmp___1=-121, verbose={777:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4323] COND TRUE (unsigned int )state->demod == 2U [L4324] CALL, EXPR stv090x_write_reg(state, 61739U, (int )((u8 )reg)) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L4269] int tmp ; [L4271] CALL, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4196] struct stv090x_config const *config ; [L4197] int ret ; [L4198] u8 *buf ; [L4199] unsigned long __lengthofbuf ; [L4200] void *tmp ; [L4201] struct i2c_msg i2c_msg ; [L4202] size_t __len ; [L4203] void *__ret ; [L4204] int i ; [L4205] long tmp___0 ; [L4207] EXPR state->config [L4207] config = state->config [L4208] __lengthofbuf = (unsigned long )((long )(count + 2U) + 0L) [L4209] tmp = __builtin_alloca(sizeof(*buf) * __lengthofbuf) [L4210] buf = (u8 *)tmp [L4211] EXPR config->address [L4211] i2c_msg.addr = (unsigned short )config->address [L4212] i2c_msg.flags = 0U [L4213] i2c_msg.len = (unsigned int )((unsigned short )count) + 2U [L4214] i2c_msg.buf = (__u8 *)(& buf) [L4215] EXPR \read(*buf) [L4215] *(buf + 0) = (u8 )(reg >> 8) [L4216] EXPR \read(*buf) [L4216] *(buf + 1) = (u8 )reg [L4217] __len = (size_t )count [L4218] EXPR, FCALL memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4218] __ret = memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4219] EXPR state->verbose VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={797:0}, __len=1, __lengthofbuf=3, __ret={796:2}, buf={796:0}, config={795:0}, count=1, data={795:0}, data={795:0}, i2c_msg={816:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61739, state={797:-28}, state={797:-28}, state->verbose=1, state->verbose={18446744073709550865:18446744073709550880}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp={797:0}, verbose={777:0}] [L4219] CALL, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(c)=0, \old(exp)=0, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L16059] return (exp); [L4219] RET, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={797:0}, __len=1, __lengthofbuf=3, __ret={796:2}, buf={796:0}, config={795:0}, count=1, data={795:0}, data={795:0}, i2c_msg={816:0}, ldv__builtin_expect(*(state->verbose) > 3U, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61739, state={797:-28}, state={797:-28}, state->verbose=1, state->verbose={18446744073709550865:18446744073709550880}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp={797:0}, verbose={777:0}] [L4219] tmp___0 = ldv__builtin_expect(*(state->verbose) > 3U, 0L) [L4220] COND FALSE !(tmp___0 != 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={797:0}, __len=1, __lengthofbuf=3, __ret={796:2}, buf={796:0}, config={795:0}, count=1, data={795:0}, data={795:0}, i2c_msg={816:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61739, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp={797:0}, tmp___0=0, verbose={777:0}] [L4235] EXPR state->i2c VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={797:0}, __len=1, __lengthofbuf=3, __ret={796:2}, buf={796:0}, config={795:0}, count=1, data={795:0}, data={795:0}, i2c_msg={816:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61739, state={797:-28}, state={797:-28}, state->i2c={18446744073709550866:18446744073709550910}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp={797:0}, tmp___0=0, verbose={777:0}] [L4235] CALL, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(arg2)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, arg0={18446744073709550866:18446744073709550910}, arg1={816:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L16751] return __VERIFIER_nondet_int(); [L4235] RET, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(count)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={797:0}, __len=1, __lengthofbuf=3, __ret={796:2}, buf={796:0}, config={795:0}, count=1, data={795:0}, data={795:0}, i2c_msg={816:0}, i2c_transfer(state->i2c, & i2c_msg, 1)=-512, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, reg=61739, state={797:-28}, state={797:-28}, state->i2c={18446744073709550866:18446744073709550910}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp={797:0}, tmp___0=0, verbose={777:0}] [L4235] ret = i2c_transfer(state->i2c, & i2c_msg, 1) [L4236] COND TRUE ret != 1 [L4237] COND FALSE !(ret != -512) [L4261] return (ret < 0 ? ret : -121); [L4261] return (ret < 0 ? ret : -121); [L4261] return (ret < 0 ? ret : -121); [L4271] RET, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4271] tmp = stv090x_write_regs(state, reg, & data, 1U) [L4272] return (tmp); [L4272] return (tmp); [L4324] RET, EXPR stv090x_write_reg(state, 61739U, (int )((u8 )reg)) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550902, \read(verbose)=18446744073709550879, \read(verbose)=18446744073709550890, \read(verbose)=18446744073709550834, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550854, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550855, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550903, printk("Enable Gate")=18446744073709550823, reg=1024, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, stv090x_write_reg(state, 61739U, (int )((u8 )reg))=-512, tmp=-121, tmp___1=-121, verbose={777:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4324] tmp___2 = stv090x_write_reg(state, 61739U, (int )((u8 )reg)) [L4325] tmp___4 = tmp___2 < 0 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550902, \read(verbose)=18446744073709550879, \read(verbose)=18446744073709550890, \read(verbose)=18446744073709550834, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550854, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550855, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550903, printk("Enable Gate")=18446744073709550823, reg=1024, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=-121, tmp___1=-121, tmp___2=-512, tmp___4=1, verbose={777:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4330] COND TRUE \read(tmp___4) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550902, \read(verbose)=18446744073709550879, \read(verbose)=18446744073709550890, \read(verbose)=18446744073709550834, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550854, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550855, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550903, printk("Enable Gate")=18446744073709550823, reg=1024, state={797:-28}, state={797:-28}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=-121, tmp___1=-121, tmp___2=-512, tmp___4=1, verbose={777:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4375] EXPR \read(verbose) [L4375] verbose != 0U && verbose != 0U [L4375] COND FALSE !(verbose != 0U && verbose != 0U) [L4378] EXPR \read(verbose) [L4378] verbose > 1U && verbose != 0U [L4378] COND FALSE !(verbose > 1U && verbose != 0U) [L4381] EXPR \read(verbose) [L4381] verbose > 2U && verbose != 0U [L4381] COND FALSE !(verbose > 2U && verbose != 0U) [L4384] EXPR \read(verbose) [L4384] verbose > 3U && verbose != 0U [L4384] COND FALSE !(verbose > 3U && verbose != 0U) [L4387] EXPR \read(verbose) [L4387] COND FALSE !(verbose != 0U) [L4391] EXPR state->config [L4391] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={798:18446744073709550818}, \old(enable)=1, \old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, \read(verbose)=18446744073709550825, \read(verbose)=18446744073709550834, \read(verbose)=18446744073709550831, \read(verbose)=18446744073709550882, \read(verbose)=18446744073709550838, \read(verbose)=18446744073709550902, \read(verbose)=18446744073709550879, \read(verbose)=18446744073709550890, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550850, printk("\016%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550872, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550854, printk("\017%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550846, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550855, printk("\r%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550858, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550903, printk("\v%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550840, printk("Enable Gate")=18446744073709550823, printk("I/O error")=18446744073709550829, reg=1024, state={797:-28}, state={797:-28}, state->config={18446744073709550898:-135}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, tmp=-121, tmp___1=-121, tmp___2=-512, tmp___4=1, verbose={777:0}, verbose > 1U && verbose != 0U=0, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose != 0U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose != 0U=0, verbose > 3U && verbose > 3U=0] [L4391-L4392] COND FALSE !((unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0)) [L4395] EXPR state->internal [L4395] CALL ldv_mutex_unlock_14(& (state->internal)->tuner_lock) [L15955] CALL ldv_mutex_unlock_tuner_lock(ldv_func_arg1) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, lock={18446744073709550904:-159}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L16696] COND FALSE !(ldv_mutex_tuner_lock == 2) VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, lock={18446744073709550904:-159}, lock={18446744073709550904:-159}, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L16698] CALL ldv_error() VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] [L16052] reach_error() VAL [\old(ldv_mutex_demod_lock)=1, \old(ldv_mutex_tuner_lock)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_demod_lock=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tuner_lock=1, stv0900_cut20_val={783:0}, stv0900_initval={781:0}, stv0903_cut20_val={784:0}, stv0903_initval={782:0}, stv090x_first_dev={0:0}, stv090x_ops={793:0}, stv090x_rf_tab={780:0}, stv090x_s1cn_tab={778:0}, stv090x_s2_apsk_crl_cut20={787:0}, stv090x_s2_apsk_crl_cut30={788:0}, stv090x_s2_crl_cut20={785:0}, stv090x_s2_crl_cut30={786:0}, stv090x_s2_lowqpsk_crl_cut20={789:0}, stv090x_s2_lowqpsk_crl_cut30={790:0}, stv090x_s2_short_crl_cut20={791:0}, stv090x_s2_short_crl_cut30={792:0}, stv090x_s2cn_tab={779:0}, verbose={777:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 4156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 334.4s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 65.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 39888 SdHoareTripleChecker+Valid, 57.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39840 mSDsluCounter, 115367 SdHoareTripleChecker+Invalid, 55.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49284 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4319 IncrementalHoareTripleChecker+Invalid, 4379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 66083 mSDtfsCounter, 4319 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14782occurred in iteration=10, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 22.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 59 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 218.4s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 563 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8490 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 01:14:07,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:14:09,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:14:09,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:14:09,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:14:09,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:14:09,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:14:09,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:14:09,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:14:09,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:14:09,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:14:09,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:14:09,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:14:09,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:14:09,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:14:09,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:14:09,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:14:09,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:14:09,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:14:09,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:14:09,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:14:09,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:14:09,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:14:09,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:14:09,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:14:09,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:14:09,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:14:09,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:14:09,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:14:09,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:14:09,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:14:09,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:14:09,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:14:09,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:14:09,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:14:09,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:14:09,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:14:09,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:14:09,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:14:09,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:14:09,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:14:09,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:14:09,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 01:14:09,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:14:09,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:14:09,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:14:09,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:14:09,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:14:09,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:14:09,913 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:14:09,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:14:09,914 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:14:09,914 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:14:09,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:14:09,915 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:14:09,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:14:09,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:14:09,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:14:09,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:14:09,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:14:09,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:14:09,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:14:09,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:14:09,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:14:09,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:14:09,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:14:09,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:14:09,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:14:09,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:14:09,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:09,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:14:09,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:14:09,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:14:09,921 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:14:09,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:14:09,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:14:09,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:14:09,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:14:09,923 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_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1edb128dac5f1749a8164cdbec3766f388b8d95e25a83a97d25b5ef9e1604ba3 [2022-11-22 01:14:10,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:14:10,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:14:10,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:14:10,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:14:10,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:14:10,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-22 01:14:13,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:14:14,174 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:14:14,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-22 01:14:14,234 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data/014647770/c77c7ed58a1d498599ab516a324327bf/FLAGb4191dac7 [2022-11-22 01:14:14,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/data/014647770/c77c7ed58a1d498599ab516a324327bf [2022-11-22 01:14:14,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:14:14,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:14:14,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:14,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:14:14,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:14:14,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:14" (1/1) ... [2022-11-22 01:14:14,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d0a6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:14, skipping insertion in model container [2022-11-22 01:14:14,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:14" (1/1) ... [2022-11-22 01:14:14,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:14:14,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:14:16,654 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-22 01:14:16,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:16,858 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 01:14:16,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:14:17,625 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_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-22 01:14:17,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:17,671 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:14:18,266 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_d2ae8b05-ce29-4c0d-8e14-deee93832025/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i[424236,424249] [2022-11-22 01:14:18,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:18,367 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:14:18,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18 WrapperNode [2022-11-22 01:14:18,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:18,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:14:18,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:14:18,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:14:18,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:18,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:18,902 INFO L138 Inliner]: procedures = 199, calls = 7161, calls flagged for inlining = 69, calls inlined = 54, statements flattened = 15832 [2022-11-22 01:14:18,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:14:18,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:14:18,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:14:18,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:14:18,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:18,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:18,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:18,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:19,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:19,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:19,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:19,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:19,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:14:19,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:14:19,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:14:19,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:14:19,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (1/1) ... [2022-11-22 01:14:19,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:19,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:14:19,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:14:19,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:14:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock [2022-11-22 01:14:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock [2022-11-22 01:14:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-22 01:14:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:14:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:14:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-22 01:14:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-22 01:14:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 01:14:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:14:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:14:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-22 01:14:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-22 01:14:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-22 01:14:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-22 01:14:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-22 01:14:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-22 01:14:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:14:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:14:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:14:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:14:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-22 01:14:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-22 01:14:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-22 01:14:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-22 01:14:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-22 01:14:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-22 01:14:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-22 01:14:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-22 01:14:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 01:14:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 01:14:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-22 01:14:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-22 01:14:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:14:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-22 01:14:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-22 01:14:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-22 01:14:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-22 01:14:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:14:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-22 01:14:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-22 01:14:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-22 01:14:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-22 01:14:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-22 01:14:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-22 01:14:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-22 01:14:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-22 01:14:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-22 01:14:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-22 01:14:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-22 01:14:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-22 01:14:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 01:14:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:14:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:14:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-22 01:14:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-22 01:14:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-22 01:14:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:14:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-22 01:14:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-22 01:14:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-22 01:14:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-22 01:14:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-22 01:14:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-22 01:14:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-22 01:14:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-22 01:14:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-22 01:14:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-22 01:14:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-22 01:14:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-22 01:14:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-22 01:14:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock [2022-11-22 01:14:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock [2022-11-22 01:14:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-22 01:14:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-22 01:14:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-22 01:14:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-22 01:14:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-22 01:14:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-22 01:14:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:14:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:14:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-22 01:14:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-22 01:14:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-22 01:14:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-22 01:14:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-22 01:14:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-22 01:14:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-22 01:14:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-22 01:14:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-22 01:14:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-22 01:14:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-22 01:14:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-22 01:14:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-22 01:14:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:14:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:14:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:14:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:14:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-22 01:14:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-22 01:14:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-22 01:14:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-22 01:14:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-22 01:14:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-22 01:14:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-22 01:14:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-22 01:14:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-22 01:14:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-22 01:14:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-22 01:14:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-22 01:14:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-22 01:14:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-22 01:14:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-22 01:14:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-22 01:14:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-22 01:14:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock [2022-11-22 01:14:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock [2022-11-22 01:14:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-22 01:14:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-22 01:14:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:14:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:14:21,394 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:14:21,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:15:13,040 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:15:13,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:15:13,083 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:15:13,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:13 BoogieIcfgContainer [2022-11-22 01:15:13,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:15:13,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:15:13,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:15:13,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:15:13,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:14:14" (1/3) ... [2022-11-22 01:15:13,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4563f99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:15:13, skipping insertion in model container [2022-11-22 01:15:13,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:18" (2/3) ... [2022-11-22 01:15:13,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4563f99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:15:13, skipping insertion in model container [2022-11-22 01:15:13,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:13" (3/3) ... [2022-11-22 01:15:13,106 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers--media--dvb-frontends--stv090x-ko---32_7a--linux-3.7.3.i [2022-11-22 01:15:13,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:15:13,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:15:13,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:15:13,293 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;@a1c571b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:15:13,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:15:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 5260 states, 3933 states have (on average 1.5359776252224764) internal successors, (6041), 3947 states have internal predecessors, (6041), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) [2022-11-22 01:15:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:15:13,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:13,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:13,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:13,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:13,340 INFO L85 PathProgramCache]: Analyzing trace with hash -415822776, now seen corresponding path program 1 times [2022-11-22 01:15:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:15:13,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39514543] [2022-11-22 01:15:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:13,372 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 [2022-11-22 01:15:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:15:13,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:15:13,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:21,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 5113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:15:21,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:15:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:15:21,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:15:21,571 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:15:21,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39514543] [2022-11-22 01:15:21,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39514543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:21,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:21,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298537088] [2022-11-22 01:15:21,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:21,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:21,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:15:21,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:21,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:21,641 INFO L87 Difference]: Start difference. First operand has 5260 states, 3933 states have (on average 1.5359776252224764) internal successors, (6041), 3947 states have internal predecessors, (6041), 1277 states have call successors, (1277), 48 states have call predecessors, (1277), 48 states have return successors, (1277), 1276 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:15:22,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:22,856 INFO L93 Difference]: Finished difference Result 10514 states and 17240 transitions. [2022-11-22 01:15:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:22,860 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 [2022-11-22 01:15:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:22,942 INFO L225 Difference]: With dead ends: 10514 [2022-11-22 01:15:22,943 INFO L226 Difference]: Without dead ends: 5253 [2022-11-22 01:15:23,017 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 [2022-11-22 01:15:23,024 INFO L413 NwaCegarLoop]: 8580 mSDtfsCounter, 8576 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8576 SdHoareTripleChecker+Valid, 8580 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:23,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8576 Valid, 8580 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:15:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2022-11-22 01:15:24,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5253. [2022-11-22 01:15:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 3929 states have (on average 1.5357597353016035) internal successors, (6034), 3940 states have internal predecessors, (6034), 1276 states have call successors, (1276), 48 states have call predecessors, (1276), 47 states have return successors, (1267), 1266 states have call predecessors, (1267), 1267 states have call successors, (1267) [2022-11-22 01:15:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 8577 transitions. [2022-11-22 01:15:24,253 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 8577 transitions. Word has length 8 [2022-11-22 01:15:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:24,254 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 8577 transitions. [2022-11-22 01:15:24,254 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) [2022-11-22 01:15:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 8577 transitions. [2022-11-22 01:15:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:15:24,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:24,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:24,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:24,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:24,471 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:24,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:24,471 INFO L85 PathProgramCache]: Analyzing trace with hash -8100993, now seen corresponding path program 1 times [2022-11-22 01:15:24,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:15:24,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073363794] [2022-11-22 01:15:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:24,483 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 [2022-11-22 01:15:24,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:15:24,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:15:24,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:32,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:15:32,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:15:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:15:32,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:15:32,753 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:15:32,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073363794] [2022-11-22 01:15:32,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073363794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:32,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:32,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315234856] [2022-11-22 01:15:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:32,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:32,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:15:32,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:32,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:32,757 INFO L87 Difference]: Start difference. First operand 5253 states and 8577 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:15:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:33,680 INFO L93 Difference]: Finished difference Result 10574 states and 17265 transitions. [2022-11-22 01:15:33,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:33,683 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 [2022-11-22 01:15:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:33,734 INFO L225 Difference]: With dead ends: 10574 [2022-11-22 01:15:33,735 INFO L226 Difference]: Without dead ends: 5324 [2022-11-22 01:15:33,781 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 [2022-11-22 01:15:33,782 INFO L413 NwaCegarLoop]: 8577 mSDtfsCounter, 8307 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8307 SdHoareTripleChecker+Valid, 8940 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:33,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8307 Valid, 8940 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:15:33,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-11-22 01:15:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5321. [2022-11-22 01:15:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5321 states, 3989 states have (on average 1.5362246176986714) internal successors, (6128), 3998 states have internal predecessors, (6128), 1279 states have call successors, (1279), 54 states have call predecessors, (1279), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-22 01:15:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 8678 transitions. [2022-11-22 01:15:35,087 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 8678 transitions. Word has length 9 [2022-11-22 01:15:35,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:35,087 INFO L495 AbstractCegarLoop]: Abstraction has 5321 states and 8678 transitions. [2022-11-22 01:15:35,088 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) [2022-11-22 01:15:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 8678 transitions. [2022-11-22 01:15:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:15:35,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:35,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:35,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-22 01:15:35,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:35,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:35,303 INFO L85 PathProgramCache]: Analyzing trace with hash -253622741, now seen corresponding path program 1 times [2022-11-22 01:15:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:15:35,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036190732] [2022-11-22 01:15:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:35,310 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 [2022-11-22 01:15:35,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:15:35,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:15:35,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:43,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 5115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:15:43,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:15:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:15:43,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:15:43,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:15:43,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036190732] [2022-11-22 01:15:43,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036190732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:43,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:43,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:43,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361230357] [2022-11-22 01:15:43,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:43,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:43,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:15:43,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:43,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:43,277 INFO L87 Difference]: Start difference. First operand 5321 states and 8678 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:15:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:44,052 INFO L93 Difference]: Finished difference Result 5323 states and 8679 transitions. [2022-11-22 01:15:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:44,052 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 [2022-11-22 01:15:44,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:44,220 INFO L225 Difference]: With dead ends: 5323 [2022-11-22 01:15:44,221 INFO L226 Difference]: Without dead ends: 5320 [2022-11-22 01:15:44,225 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 [2022-11-22 01:15:44,228 INFO L413 NwaCegarLoop]: 8570 mSDtfsCounter, 8564 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8564 SdHoareTripleChecker+Valid, 8570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:44,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8564 Valid, 8570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:15:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5320 states. [2022-11-22 01:15:45,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5320 to 5320. [2022-11-22 01:15:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5320 states, 3989 states have (on average 1.5359739283028329) internal successors, (6127), 3997 states have internal predecessors, (6127), 1278 states have call successors, (1278), 54 states have call predecessors, (1278), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-22 01:15:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 5320 states and 8676 transitions. [2022-11-22 01:15:45,606 INFO L78 Accepts]: Start accepts. Automaton has 5320 states and 8676 transitions. Word has length 10 [2022-11-22 01:15:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:45,607 INFO L495 AbstractCegarLoop]: Abstraction has 5320 states and 8676 transitions. [2022-11-22 01:15:45,607 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) [2022-11-22 01:15:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 8676 transitions. [2022-11-22 01:15:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:15:45,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:45,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:45,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:45,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:45,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash 725142530, now seen corresponding path program 1 times [2022-11-22 01:15:45,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:15:45,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315151979] [2022-11-22 01:15:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:45,833 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 [2022-11-22 01:15:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:15:45,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:15:45,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:53,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 5116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:15:53,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:15:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:15:53,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:15:53,282 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:15:53,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315151979] [2022-11-22 01:15:53,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315151979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:53,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:53,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:53,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529780881] [2022-11-22 01:15:53,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:53,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:53,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:15:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:53,286 INFO L87 Difference]: Start difference. First operand 5320 states and 8676 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:15:54,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:54,066 INFO L93 Difference]: Finished difference Result 5322 states and 8677 transitions. [2022-11-22 01:15:54,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:54,066 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 [2022-11-22 01:15:54,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:54,105 INFO L225 Difference]: With dead ends: 5322 [2022-11-22 01:15:54,105 INFO L226 Difference]: Without dead ends: 5319 [2022-11-22 01:15:54,109 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 [2022-11-22 01:15:54,111 INFO L413 NwaCegarLoop]: 8568 mSDtfsCounter, 8561 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8561 SdHoareTripleChecker+Valid, 8568 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:54,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8561 Valid, 8568 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:15:54,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2022-11-22 01:15:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 5319. [2022-11-22 01:15:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5319 states, 3989 states have (on average 1.5357232389069941) internal successors, (6126), 3996 states have internal predecessors, (6126), 1277 states have call successors, (1277), 54 states have call predecessors, (1277), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-22 01:15:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 8674 transitions. [2022-11-22 01:15:55,406 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 8674 transitions. Word has length 11 [2022-11-22 01:15:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:55,407 INFO L495 AbstractCegarLoop]: Abstraction has 5319 states and 8674 transitions. [2022-11-22 01:15:55,407 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) [2022-11-22 01:15:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 8674 transitions. [2022-11-22 01:15:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:15:55,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:55,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:55,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:55,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:15:55,623 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1002099726, now seen corresponding path program 1 times [2022-11-22 01:15:55,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:15:55,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801564778] [2022-11-22 01:15:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:55,631 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 [2022-11-22 01:15:55,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:15:55,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:15:55,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:03,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 5117 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:16:03,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:16:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:03,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:16:03,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:16:03,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801564778] [2022-11-22 01:16:03,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801564778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:03,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:03,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:16:03,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805753369] [2022-11-22 01:16:03,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:03,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:16:03,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:16:03,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:16:03,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:16:03,458 INFO L87 Difference]: Start difference. First operand 5319 states and 8674 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:04,311 INFO L93 Difference]: Finished difference Result 5321 states and 8675 transitions. [2022-11-22 01:16:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:16:04,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:16:04,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:04,381 INFO L225 Difference]: With dead ends: 5321 [2022-11-22 01:16:04,381 INFO L226 Difference]: Without dead ends: 5318 [2022-11-22 01:16:04,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:16:04,389 INFO L413 NwaCegarLoop]: 8566 mSDtfsCounter, 8558 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8558 SdHoareTripleChecker+Valid, 8566 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:04,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8558 Valid, 8566 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:16:04,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2022-11-22 01:16:05,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5318. [2022-11-22 01:16:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5318 states, 3989 states have (on average 1.5354725495111556) internal successors, (6125), 3995 states have internal predecessors, (6125), 1276 states have call successors, (1276), 54 states have call predecessors, (1276), 52 states have return successors, (1271), 1270 states have call predecessors, (1271), 1271 states have call successors, (1271) [2022-11-22 01:16:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 8672 transitions. [2022-11-22 01:16:05,606 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 8672 transitions. Word has length 12 [2022-11-22 01:16:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:05,606 INFO L495 AbstractCegarLoop]: Abstraction has 5318 states and 8672 transitions. [2022-11-22 01:16:05,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 8672 transitions. [2022-11-22 01:16:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:16:05,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:05,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:16:05,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:05,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:05,823 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:16:05,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash 997843077, now seen corresponding path program 1 times [2022-11-22 01:16:05,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:16:05,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112175124] [2022-11-22 01:16:05,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:05,831 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 [2022-11-22 01:16:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:16:05,832 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:16:05,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:13,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 5118 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:16:13,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:16:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:16:13,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:16:13,607 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:16:13,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112175124] [2022-11-22 01:16:13,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112175124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:13,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:13,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:16:13,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498103740] [2022-11-22 01:16:13,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:13,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:16:13,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:16:13,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:16:13,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:16:13,611 INFO L87 Difference]: Start difference. First operand 5318 states and 8672 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:14,897 INFO L93 Difference]: Finished difference Result 15932 states and 26122 transitions. [2022-11-22 01:16:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:16:14,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:16:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:14,985 INFO L225 Difference]: With dead ends: 15932 [2022-11-22 01:16:14,985 INFO L226 Difference]: Without dead ends: 10611 [2022-11-22 01:16:15,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:16:15,041 INFO L413 NwaCegarLoop]: 9943 mSDtfsCounter, 8586 mSDsluCounter, 8588 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8586 SdHoareTripleChecker+Valid, 18531 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:15,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8586 Valid, 18531 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:16:15,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10611 states. [2022-11-22 01:16:17,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10611 to 10602. [2022-11-22 01:16:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10602 states, 7955 states have (on average 1.5366436203645506) internal successors, (12224), 7966 states have internal predecessors, (12224), 2544 states have call successors, (2544), 105 states have call predecessors, (2544), 102 states have return successors, (2617), 2534 states have call predecessors, (2617), 2537 states have call successors, (2617) [2022-11-22 01:16:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10602 states to 10602 states and 17385 transitions. [2022-11-22 01:16:17,321 INFO L78 Accepts]: Start accepts. Automaton has 10602 states and 17385 transitions. Word has length 13 [2022-11-22 01:16:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:17,321 INFO L495 AbstractCegarLoop]: Abstraction has 10602 states and 17385 transitions. [2022-11-22 01:16:17,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:16:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 10602 states and 17385 transitions. [2022-11-22 01:16:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-22 01:16:17,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:17,332 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] [2022-11-22 01:16:17,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:17,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:17,555 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:16:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:17,555 INFO L85 PathProgramCache]: Analyzing trace with hash 443855695, now seen corresponding path program 1 times [2022-11-22 01:16:17,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:16:17,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51305149] [2022-11-22 01:16:17,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:17,560 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 [2022-11-22 01:16:17,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:16:17,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:16:17,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:25,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 5601 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:16:25,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:16:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:16:25,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:16:25,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:16:25,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51305149] [2022-11-22 01:16:25,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51305149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:25,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:25,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:16:25,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392512835] [2022-11-22 01:16:25,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:25,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:16:25,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:16:25,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:16:25,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:16:25,898 INFO L87 Difference]: Start difference. First operand 10602 states and 17385 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:16:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:16:27,279 INFO L93 Difference]: Finished difference Result 21308 states and 35024 transitions. [2022-11-22 01:16:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:16:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2022-11-22 01:16:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:16:27,347 INFO L225 Difference]: With dead ends: 21308 [2022-11-22 01:16:27,347 INFO L226 Difference]: Without dead ends: 10709 [2022-11-22 01:16:27,449 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 [2022-11-22 01:16:27,450 INFO L413 NwaCegarLoop]: 8562 mSDtfsCounter, 139 mSDsluCounter, 17073 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 25635 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:16:27,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 25635 Invalid, 98 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [31 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:16:27,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2022-11-22 01:16:29,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 10707. [2022-11-22 01:16:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10707 states, 8043 states have (on average 1.536615690662688) internal successors, (12359), 8054 states have internal predecessors, (12359), 2559 states have call successors, (2559), 107 states have call predecessors, (2559), 104 states have return successors, (2632), 2549 states have call predecessors, (2632), 2552 states have call successors, (2632) [2022-11-22 01:16:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10707 states to 10707 states and 17550 transitions. [2022-11-22 01:16:29,855 INFO L78 Accepts]: Start accepts. Automaton has 10707 states and 17550 transitions. Word has length 68 [2022-11-22 01:16:29,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:16:29,856 INFO L495 AbstractCegarLoop]: Abstraction has 10707 states and 17550 transitions. [2022-11-22 01:16:29,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:16:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 10707 states and 17550 transitions. [2022-11-22 01:16:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-22 01:16:29,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:16:29,866 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:16:30,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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)] Ended with exit code 0 [2022-11-22 01:16:30,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:30,079 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:16:30,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:16:30,079 INFO L85 PathProgramCache]: Analyzing trace with hash 474384810, now seen corresponding path program 1 times [2022-11-22 01:16:30,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:16:30,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135741157] [2022-11-22 01:16:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:16:30,084 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 [2022-11-22 01:16:30,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:16:30,085 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:16:30,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:16:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:16:38,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 5602 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:16:38,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:16:39,544 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:16:39,545 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 [2022-11-22 01:16:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:16:39,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:16:39,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:16:39,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135741157] [2022-11-22 01:16:39,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135741157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:16:39,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:16:39,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:16:39,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125655778] [2022-11-22 01:16:39,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:16:39,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:16:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:16:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:16:39,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:16:39,590 INFO L87 Difference]: Start difference. First operand 10707 states and 17550 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:16:42,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:44,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:46,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:49,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:07,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:12,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:12,544 INFO L93 Difference]: Finished difference Result 21577 states and 35391 transitions. [2022-11-22 01:17:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:17:12,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-11-22 01:17:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:12,636 INFO L225 Difference]: With dead ends: 21577 [2022-11-22 01:17:12,636 INFO L226 Difference]: Without dead ends: 10873 [2022-11-22 01:17:12,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:17:12,735 INFO L413 NwaCegarLoop]: 8593 mSDtfsCounter, 193 mSDsluCounter, 15683 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 24276 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:12,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 24276 Invalid, 1556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1549 Invalid, 3 Unknown, 0 Unchecked, 32.0s Time] [2022-11-22 01:17:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10873 states. [2022-11-22 01:17:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10873 to 10820. [2022-11-22 01:17:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10820 states, 8120 states have (on average 1.535344827586207) internal successors, (12467), 8143 states have internal predecessors, (12467), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 114 states have return successors, (2666), 2560 states have call predecessors, (2666), 2578 states have call successors, (2666) [2022-11-22 01:17:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10820 states to 10820 states and 17718 transitions. [2022-11-22 01:17:15,282 INFO L78 Accepts]: Start accepts. Automaton has 10820 states and 17718 transitions. Word has length 71 [2022-11-22 01:17:15,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:15,282 INFO L495 AbstractCegarLoop]: Abstraction has 10820 states and 17718 transitions. [2022-11-22 01:17:15,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:17:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 10820 states and 17718 transitions. [2022-11-22 01:17:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-22 01:17:15,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:15,289 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:17:15,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:15,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:15,503 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:15,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:15,503 INFO L85 PathProgramCache]: Analyzing trace with hash 666406944, now seen corresponding path program 1 times [2022-11-22 01:17:15,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:17:15,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225189007] [2022-11-22 01:17:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:15,510 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 [2022-11-22 01:17:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:17:15,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:17:15,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:25,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 5681 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:17:25,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:17:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 01:17:25,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:17:25,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:17:25,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225189007] [2022-11-22 01:17:25,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225189007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:25,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:25,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:17:25,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154853592] [2022-11-22 01:17:25,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:25,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:17:25,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:17:25,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:17:25,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:17:25,204 INFO L87 Difference]: Start difference. First operand 10820 states and 17718 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:17:26,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:28,424 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 [] [2022-11-22 01:17:29,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:29,402 INFO L93 Difference]: Finished difference Result 21530 states and 37089 transitions. [2022-11-22 01:17:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:17:29,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2022-11-22 01:17:29,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:29,488 INFO L225 Difference]: With dead ends: 21530 [2022-11-22 01:17:29,488 INFO L226 Difference]: Without dead ends: 10824 [2022-11-22 01:17:29,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:17:29,650 INFO L413 NwaCegarLoop]: 8566 mSDtfsCounter, 0 mSDsluCounter, 8562 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17128 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:29,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:17:29,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10824 states. [2022-11-22 01:17:32,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10824 to 10824. [2022-11-22 01:17:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10824 states, 8124 states have (on average 1.5350812407680945) internal successors, (12471), 8147 states have internal predecessors, (12471), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 114 states have return successors, (2666), 2560 states have call predecessors, (2666), 2578 states have call successors, (2666) [2022-11-22 01:17:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10824 states to 10824 states and 17722 transitions. [2022-11-22 01:17:32,170 INFO L78 Accepts]: Start accepts. Automaton has 10824 states and 17722 transitions. Word has length 92 [2022-11-22 01:17:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:32,171 INFO L495 AbstractCegarLoop]: Abstraction has 10824 states and 17722 transitions. [2022-11-22 01:17:32,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:17:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10824 states and 17722 transitions. [2022-11-22 01:17:32,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-22 01:17:32,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:32,178 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:17:32,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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)] Ended with exit code 0 [2022-11-22 01:17:32,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:32,403 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:32,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:32,403 INFO L85 PathProgramCache]: Analyzing trace with hash 124787822, now seen corresponding path program 1 times [2022-11-22 01:17:32,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:17:32,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973610843] [2022-11-22 01:17:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:32,410 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 [2022-11-22 01:17:32,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:17:32,411 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:17:32,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:42,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 5785 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:17:42,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:17:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-22 01:17:42,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:17:42,563 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:17:42,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973610843] [2022-11-22 01:17:42,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973610843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:42,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:42,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:17:42,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472987900] [2022-11-22 01:17:42,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:42,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:17:42,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:17:42,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:17:42,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:17:42,565 INFO L87 Difference]: Start difference. First operand 10824 states and 17722 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:17:44,616 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 [] [2022-11-22 01:17:47,586 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 [] [2022-11-22 01:17:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:48,393 INFO L93 Difference]: Finished difference Result 21538 states and 37097 transitions. [2022-11-22 01:17:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:17:48,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 93 [2022-11-22 01:17:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:48,479 INFO L225 Difference]: With dead ends: 21538 [2022-11-22 01:17:48,479 INFO L226 Difference]: Without dead ends: 10828 [2022-11-22 01:17:48,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:17:48,632 INFO L413 NwaCegarLoop]: 8563 mSDtfsCounter, 38 mSDsluCounter, 8560 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 17123 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:48,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 17123 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 5.0s Time] [2022-11-22 01:17:48,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10828 states. [2022-11-22 01:17:50,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10828 to 10828. [2022-11-22 01:17:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10828 states, 8128 states have (on average 1.5348179133858268) internal successors, (12475), 8151 states have internal predecessors, (12475), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 114 states have return successors, (2666), 2560 states have call predecessors, (2666), 2578 states have call successors, (2666) [2022-11-22 01:17:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10828 states to 10828 states and 17726 transitions. [2022-11-22 01:17:50,720 INFO L78 Accepts]: Start accepts. Automaton has 10828 states and 17726 transitions. Word has length 93 [2022-11-22 01:17:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:50,720 INFO L495 AbstractCegarLoop]: Abstraction has 10828 states and 17726 transitions. [2022-11-22 01:17:50,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:17:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 10828 states and 17726 transitions. [2022-11-22 01:17:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-22 01:17:50,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:50,728 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:17:50,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:50,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:17:50,951 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2102543710, now seen corresponding path program 1 times [2022-11-22 01:17:50,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:17:50,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122492907] [2022-11-22 01:17:50,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:50,957 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 [2022-11-22 01:17:50,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:17:50,959 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:17:50,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:18:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:00,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 5798 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:18:00,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:18:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 01:18:01,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:18:01,052 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:18:01,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122492907] [2022-11-22 01:18:01,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122492907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:01,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:01,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:18:01,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613445385] [2022-11-22 01:18:01,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:01,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:18:01,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:18:01,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:18:01,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:18:01,054 INFO L87 Difference]: Start difference. First operand 10828 states and 17726 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-22 01:18:03,111 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 [] [2022-11-22 01:18:08,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:18:08,355 INFO L93 Difference]: Finished difference Result 21584 states and 37193 transitions. [2022-11-22 01:18:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:18:08,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2022-11-22 01:18:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:18:08,421 INFO L225 Difference]: With dead ends: 21584 [2022-11-22 01:18:08,421 INFO L226 Difference]: Without dead ends: 10870 [2022-11-22 01:18:08,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:18:08,520 INFO L413 NwaCegarLoop]: 8577 mSDtfsCounter, 10 mSDsluCounter, 33507 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 42084 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:18:08,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 42084 Invalid, 807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-22 01:18:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10870 states. [2022-11-22 01:18:11,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10870 to 10844. [2022-11-22 01:18:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10844 states, 8141 states have (on average 1.53396388650043) internal successors, (12488), 8163 states have internal predecessors, (12488), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 117 states have return successors, (4218), 2564 states have call predecessors, (4218), 2578 states have call successors, (4218) [2022-11-22 01:18:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 19291 transitions. [2022-11-22 01:18:11,996 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 19291 transitions. Word has length 94 [2022-11-22 01:18:11,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:18:11,997 INFO L495 AbstractCegarLoop]: Abstraction has 10844 states and 19291 transitions. [2022-11-22 01:18:11,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-22 01:18:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 19291 transitions. [2022-11-22 01:18:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 01:18:12,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:18:12,005 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] [2022-11-22 01:18:12,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:18:12,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:18:12,219 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:18:12,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:18:12,219 INFO L85 PathProgramCache]: Analyzing trace with hash -891058295, now seen corresponding path program 1 times [2022-11-22 01:18:12,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:18:12,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893133275] [2022-11-22 01:18:12,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:18:12,226 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 [2022-11-22 01:18:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:18:12,227 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:18:12,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-22 01:18:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:22,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 5745 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:18:22,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:18:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:18:22,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:18:22,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:18:22,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893133275] [2022-11-22 01:18:22,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893133275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:22,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:22,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:18:22,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526286399] [2022-11-22 01:18:22,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:22,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:18:22,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:18:22,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:18:22,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:18:22,458 INFO L87 Difference]: Start difference. First operand 10844 states and 19291 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-22 01:18:24,530 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 [] [2022-11-22 01:18:29,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:18:29,870 INFO L93 Difference]: Finished difference Result 21608 states and 38764 transitions. [2022-11-22 01:18:29,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:18:29,871 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 [2022-11-22 01:18:29,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:18:29,937 INFO L225 Difference]: With dead ends: 21608 [2022-11-22 01:18:29,937 INFO L226 Difference]: Without dead ends: 10878 [2022-11-22 01:18:30,010 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 [2022-11-22 01:18:30,011 INFO L413 NwaCegarLoop]: 8577 mSDtfsCounter, 10 mSDsluCounter, 33506 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 42083 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:18:30,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 42083 Invalid, 807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-22 01:18:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10878 states. [2022-11-22 01:18:32,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10878 to 10848. [2022-11-22 01:18:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10848 states, 8145 states have (on average 1.5337016574585636) internal successors, (12492), 8163 states have internal predecessors, (12492), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 117 states have return successors, (4218), 2568 states have call predecessors, (4218), 2578 states have call successors, (4218) [2022-11-22 01:18:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 10848 states and 19295 transitions. [2022-11-22 01:18:33,170 INFO L78 Accepts]: Start accepts. Automaton has 10848 states and 19295 transitions. Word has length 79 [2022-11-22 01:18:33,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:18:33,170 INFO L495 AbstractCegarLoop]: Abstraction has 10848 states and 19295 transitions. [2022-11-22 01:18:33,171 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) [2022-11-22 01:18:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10848 states and 19295 transitions. [2022-11-22 01:18:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 01:18:33,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:18:33,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:18:33,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-22 01:18:33,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:18:33,399 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:18:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:18:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1938671566, now seen corresponding path program 1 times [2022-11-22 01:18:33,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:18:33,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35215410] [2022-11-22 01:18:33,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:18:33,404 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 [2022-11-22 01:18:33,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:18:33,405 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:18:33,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-22 01:18:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:18:41,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 5723 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:18:41,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:18:42,705 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:18:42,706 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 [2022-11-22 01:18:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:18:42,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:18:42,751 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:18:42,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35215410] [2022-11-22 01:18:42,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35215410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:18:42,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:18:42,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:18:42,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966112742] [2022-11-22 01:18:42,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:18:42,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:18:42,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:18:42,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:18:42,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:18:42,753 INFO L87 Difference]: Start difference. First operand 10848 states and 19295 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:18:45,615 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 [] [2022-11-22 01:18:48,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:50,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:52,446 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 [] [2022-11-22 01:19:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:16,382 INFO L93 Difference]: Finished difference Result 21654 states and 38568 transitions. [2022-11-22 01:19:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:19:16,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2022-11-22 01:19:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:16,468 INFO L225 Difference]: With dead ends: 21654 [2022-11-22 01:19:16,468 INFO L226 Difference]: Without dead ends: 10903 [2022-11-22 01:19:16,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:19:16,563 INFO L413 NwaCegarLoop]: 8594 mSDtfsCounter, 189 mSDsluCounter, 15684 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 24278 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:16,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 24278 Invalid, 1554 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1546 Invalid, 4 Unknown, 0 Unchecked, 32.4s Time] [2022-11-22 01:19:16,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10903 states. [2022-11-22 01:19:19,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10903 to 10850. [2022-11-22 01:19:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10850 states, 8147 states have (on average 1.5333251503620964) internal successors, (12492), 8165 states have internal predecessors, (12492), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 117 states have return successors, (4218), 2568 states have call predecessors, (4218), 2578 states have call successors, (4218) [2022-11-22 01:19:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 19295 transitions. [2022-11-22 01:19:19,903 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 19295 transitions. Word has length 75 [2022-11-22 01:19:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:19,904 INFO L495 AbstractCegarLoop]: Abstraction has 10850 states and 19295 transitions. [2022-11-22 01:19:19,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:19:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 19295 transitions. [2022-11-22 01:19:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-22 01:19:19,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:19,911 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] [2022-11-22 01:19:20,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-22 01:19:20,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:19:20,127 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:19:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 608635684, now seen corresponding path program 1 times [2022-11-22 01:19:20,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:19:20,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021377832] [2022-11-22 01:19:20,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:20,134 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 [2022-11-22 01:19:20,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:19:20,141 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:19:20,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-22 01:19:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:30,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 5740 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:19:30,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:19:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:19:30,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:19:30,483 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:19:30,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021377832] [2022-11-22 01:19:30,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021377832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:30,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:30,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:19:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11827305] [2022-11-22 01:19:30,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:30,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:19:30,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:19:30,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:19:30,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:19:30,485 INFO L87 Difference]: Start difference. First operand 10850 states and 19295 transitions. Second operand has 5 states, 5 states have (on average 12.0) 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, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-22 01:19:31,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:31,353 INFO L93 Difference]: Finished difference Result 11090 states and 19813 transitions. [2022-11-22 01:19:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:19:31,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) 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, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 81 [2022-11-22 01:19:31,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:31,403 INFO L225 Difference]: With dead ends: 11090 [2022-11-22 01:19:31,404 INFO L226 Difference]: Without dead ends: 11083 [2022-11-22 01:19:31,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:19:31,416 INFO L413 NwaCegarLoop]: 8596 mSDtfsCounter, 131 mSDsluCounter, 25721 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 34317 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:31,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 34317 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:19:31,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11083 states. [2022-11-22 01:19:34,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11083 to 10856. [2022-11-22 01:19:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10856 states, 8152 states have (on average 1.5329980372914622) internal successors, (12497), 8169 states have internal predecessors, (12497), 2585 states have call successors, (2585), 120 states have call predecessors, (2585), 118 states have return successors, (4244), 2570 states have call predecessors, (4244), 2578 states have call successors, (4244) [2022-11-22 01:19:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10856 states to 10856 states and 19326 transitions. [2022-11-22 01:19:34,714 INFO L78 Accepts]: Start accepts. Automaton has 10856 states and 19326 transitions. Word has length 81 [2022-11-22 01:19:34,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:34,714 INFO L495 AbstractCegarLoop]: Abstraction has 10856 states and 19326 transitions. [2022-11-22 01:19:34,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) 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, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-22 01:19:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 10856 states and 19326 transitions. [2022-11-22 01:19:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-22 01:19:34,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:34,721 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:19:34,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-22 01:19:34,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:19:34,943 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:19:34,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:34,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1035035959, now seen corresponding path program 1 times [2022-11-22 01:19:34,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:19:34,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580013751] [2022-11-22 01:19:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:34,949 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 [2022-11-22 01:19:34,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:19:34,950 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:19:34,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ae8b05-ce29-4c0d-8e14-deee93832025/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process