./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10c7a9985aedec335ee61882d600a7a9f00fa8b86a5cb078d603d5eecebf213c --- 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-dbf71c6-m [2022-10-17 10:32:25,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:32:25,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:32:25,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:32:25,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:32:25,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:32:25,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:32:25,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:32:25,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:32:25,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:32:25,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:32:25,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:32:25,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:32:25,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:32:25,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:32:25,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:32:25,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:32:25,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:32:25,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:32:25,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:32:25,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:32:25,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:32:25,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:32:25,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:32:25,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:32:25,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:32:25,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:32:25,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:32:25,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:32:25,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:32:25,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:32:25,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:32:25,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:32:25,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:32:25,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:32:25,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:32:25,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:32:25,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:32:25,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:32:25,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:32:25,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:32:25,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:32:25,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:32:25,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:32:25,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:32:25,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:32:25,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:32:25,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:32:25,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:32:25,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:32:25,998 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:32:25,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:32:25,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:32:25,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:32:26,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:32:26,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:32:26,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:32:26,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:32:26,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:32:26,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:32:26,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:32:26,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:32:26,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:32:26,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:32:26,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:32:26,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:32:26,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:32:26,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:32:26,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:32:26,003 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:32:26,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:32:26,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:32:26,005 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_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c7a9985aedec335ee61882d600a7a9f00fa8b86a5cb078d603d5eecebf213c [2022-10-17 10:32:26,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:32:26,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:32:26,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:32:26,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:32:26,336 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:32:26,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-17 10:32:26,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/data/b4b700093/03419616ad7d4caabc3cde5cfb619962/FLAG0fdc12ade [2022-10-17 10:32:27,344 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:32:27,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-17 10:32:27,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/data/b4b700093/03419616ad7d4caabc3cde5cfb619962/FLAG0fdc12ade [2022-10-17 10:32:27,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/data/b4b700093/03419616ad7d4caabc3cde5cfb619962 [2022-10-17 10:32:27,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:32:27,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:32:27,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:32:27,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:32:27,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:32:27,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:32:27" (1/1) ... [2022-10-17 10:32:27,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186cc822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:27, skipping insertion in model container [2022-10-17 10:32:27,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:32:27" (1/1) ... [2022-10-17 10:32:27,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:32:27,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:32:29,890 WARN L230 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_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i[404097,404110] [2022-10-17 10:32:30,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:32:30,105 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:32:30,622 WARN L230 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_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i[404097,404110] [2022-10-17 10:32:30,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:32:30,760 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:32:30,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30 WrapperNode [2022-10-17 10:32:30,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:32:30,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:32:30,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:32:30,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:32:30,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:30,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,022 INFO L138 Inliner]: procedures = 167, calls = 2343, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 5030 [2022-10-17 10:32:31,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:32:31,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:32:31,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:32:31,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:32:31,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,332 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:32:31,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:32:31,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:32:31,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:32:31,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (1/1) ... [2022-10-17 10:32:31,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:32:31,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:32:31,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:32:31,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67b2cf6-6135-41a9-8e15-d9dccb0cf492/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:32:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_remove [2022-10-17 10:32:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_remove [2022-10-17 10:32:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:32:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:32:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_demod_init [2022-10-17 10:32:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_demod_init [2022-10-17 10:32:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:32:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:32:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_release [2022-10-17 10:32:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_release [2022-10-17 10:32:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:32:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-17 10:32:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-10-17 10:32:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-17 10:32:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-17 10:32:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2022-10-17 10:32:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2022-10-17 10:32:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:32:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:32:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure attach_xc3028 [2022-10-17 10:32:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_xc3028 [2022-10-17 10:32:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:32:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:32:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:32:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_freq [2022-10-17 10:32:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_freq [2022-10-17 10:32:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:32:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:32:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_fusionhdtv_demod_init [2022-10-17 10:32:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_fusionhdtv_demod_init [2022-10-17 10:32:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure stv0900_set_ts_param [2022-10-17 10:32:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0900_set_ts_param [2022-10-17 10:32:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-10-17 10:32:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-10-17 10:32:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure samsung_smt_7020_tuner_set_params [2022-10-17 10:32:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure samsung_smt_7020_tuner_set_params [2022-10-17 10:32:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-17 10:32:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-17 10:32:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_gate_ctrl [2022-10-17 10:32:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_gate_ctrl [2022-10-17 10:32:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_set_ts_param [2022-10-17 10:32:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_set_ts_param [2022-10-17 10:32:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_buf_prepare [2022-10-17 10:32:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_buf_prepare [2022-10-17 10:32:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:32:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_advise_acquire [2022-10-17 10:32:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_advise_acquire [2022-10-17 10:32:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:32:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:32:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:32:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-17 10:32:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_dvb_bus_ctrl [2022-10-17 10:32:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_dvb_bus_ctrl [2022-10-17 10:32:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:32:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 10:32:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 10:32:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:32:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:32:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:32:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:32:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-10-17 10:32:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-10-17 10:32:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure nxt200x_set_ts_param [2022-10-17 10:32:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt200x_set_ts_param [2022-10-17 10:32:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:32:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:32:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:32:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-10-17 10:32:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-10-17 10:32:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:32:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 10:32:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure or51132_set_ts_param [2022-10-17 10:32:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure or51132_set_ts_param [2022-10-17 10:32:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_dvb_probe [2022-10-17 10:32:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_dvb_probe [2022-10-17 10:32:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_get_frontend [2022-10-17 10:32:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_get_frontend [2022-10-17 10:32:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure cx24116_reset_device [2022-10-17 10:32:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24116_reset_device [2022-10-17 10:32:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-17 10:32:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2022-10-17 10:32:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:32:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure dvico_dual_demod_init [2022-10-17 10:32:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dvico_dual_demod_init [2022-10-17 10:32:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:32:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure dntv_live_dvbt_pro_demod_init [2022-10-17 10:32:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dntv_live_dvbt_pro_demod_init [2022-10-17 10:32:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure stb6100_get_bandw [2022-10-17 10:32:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure stb6100_get_bandw [2022-10-17 10:32:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx24123_set_ts_param [2022-10-17 10:32:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cx24123_set_ts_param [2022-10-17 10:32:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:32:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:32:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-17 10:32:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2022-10-17 10:32:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure lgdt330x_set_ts_param [2022-10-17 10:32:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lgdt330x_set_ts_param [2022-10-17 10:32:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register [2022-10-17 10:32:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register [2022-10-17 10:32:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:32:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:32:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2022-10-17 10:32:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~X~~u8~0~TO~$Pointer$ [2022-10-17 10:32:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dvb_dealloc_frontends [2022-10-17 10:32:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dvb_dealloc_frontends [2022-10-17 10:32:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:32:31,546 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:32:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:32:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-17 10:32:31,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-17 10:32:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:32:31,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:32:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-17 10:32:31,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-17 10:32:32,657 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:32:32,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:32:42,708 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:32:42,728 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:32:42,728 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:32:42,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:32:42 BoogieIcfgContainer [2022-10-17 10:32:42,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:32:42,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:32:42,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:32:42,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:32:42,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:32:27" (1/3) ... [2022-10-17 10:32:42,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e99ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:32:42, skipping insertion in model container [2022-10-17 10:32:42,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:32:30" (2/3) ... [2022-10-17 10:32:42,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e99ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:32:42, skipping insertion in model container [2022-10-17 10:32:42,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:32:42" (3/3) ... [2022-10-17 10:32:42,743 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx88-dvb-ko--32_7a--d47b389-1.i [2022-10-17 10:32:42,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:32:42,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:32:42,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:32:42,860 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=PETRI_NET, 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;@1bb54e6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:32:42,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:32:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 1938 states, 1297 states have (on average 1.3824209714726292) internal successors, (1793), 1390 states have internal predecessors, (1793), 588 states have call successors, (588), 51 states have call predecessors, (588), 51 states have return successors, (588), 587 states have call predecessors, (588), 588 states have call successors, (588) [2022-10-17 10:32:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 10:32:42,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:42,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:32:42,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:42,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:42,886 INFO L85 PathProgramCache]: Analyzing trace with hash 983380094, now seen corresponding path program 1 times [2022-10-17 10:32:42,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:42,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580287520] [2022-10-17 10:32:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:32:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:32:43,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:43,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580287520] [2022-10-17 10:32:43,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580287520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:43,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:43,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:32:43,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436992872] [2022-10-17 10:32:43,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:43,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:32:43,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:43,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:32:43,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:43,902 INFO L87 Difference]: Start difference. First operand has 1938 states, 1297 states have (on average 1.3824209714726292) internal successors, (1793), 1390 states have internal predecessors, (1793), 588 states have call successors, (588), 51 states have call predecessors, (588), 51 states have return successors, (588), 587 states have call predecessors, (588), 588 states have call successors, (588) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:32:44,274 INFO L93 Difference]: Finished difference Result 3870 states and 5949 transitions. [2022-10-17 10:32:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:32:44,276 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-10-17 10:32:44,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:32:44,326 INFO L225 Difference]: With dead ends: 3870 [2022-10-17 10:32:44,326 INFO L226 Difference]: Without dead ends: 1936 [2022-10-17 10:32:44,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:44,348 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 2932 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:32:44,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 2970 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:32:44,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2022-10-17 10:32:44,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1934. [2022-10-17 10:32:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1296 states have (on average 1.3804012345679013) internal successors, (1789), 1385 states have internal predecessors, (1789), 586 states have call successors, (586), 52 states have call predecessors, (586), 51 states have return successors, (581), 580 states have call predecessors, (581), 581 states have call successors, (581) [2022-10-17 10:32:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2956 transitions. [2022-10-17 10:32:44,681 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2956 transitions. Word has length 14 [2022-10-17 10:32:44,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:32:44,683 INFO L495 AbstractCegarLoop]: Abstraction has 1934 states and 2956 transitions. [2022-10-17 10:32:44,684 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2956 transitions. [2022-10-17 10:32:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 10:32:44,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:44,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:32:44,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:32:44,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:44,687 INFO L85 PathProgramCache]: Analyzing trace with hash 418913757, now seen corresponding path program 1 times [2022-10-17 10:32:44,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:44,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326894848] [2022-10-17 10:32:44,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:44,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:32:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:32:45,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:45,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326894848] [2022-10-17 10:32:45,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326894848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:45,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:45,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:32:45,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315573980] [2022-10-17 10:32:45,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:45,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:32:45,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:32:45,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:45,215 INFO L87 Difference]: Start difference. First operand 1934 states and 2956 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:45,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:32:45,395 INFO L93 Difference]: Finished difference Result 1936 states and 2957 transitions. [2022-10-17 10:32:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:32:45,395 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-10-17 10:32:45,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:32:45,413 INFO L225 Difference]: With dead ends: 1936 [2022-10-17 10:32:45,413 INFO L226 Difference]: Without dead ends: 1933 [2022-10-17 10:32:45,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:45,423 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 2940 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 2949 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:32:45,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 2949 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:32:45,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-10-17 10:32:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1933. [2022-10-17 10:32:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1296 states have (on average 1.3796296296296295) internal successors, (1788), 1384 states have internal predecessors, (1788), 585 states have call successors, (585), 52 states have call predecessors, (585), 51 states have return successors, (581), 580 states have call predecessors, (581), 581 states have call successors, (581) [2022-10-17 10:32:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2954 transitions. [2022-10-17 10:32:45,614 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2954 transitions. Word has length 15 [2022-10-17 10:32:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:32:45,615 INFO L495 AbstractCegarLoop]: Abstraction has 1933 states and 2954 transitions. [2022-10-17 10:32:45,615 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2954 transitions. [2022-10-17 10:32:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 10:32:45,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:45,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:32:45,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:32:45,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:45,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:45,618 INFO L85 PathProgramCache]: Analyzing trace with hash 100331361, now seen corresponding path program 1 times [2022-10-17 10:32:45,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:45,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146289637] [2022-10-17 10:32:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:45,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:32:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:32:46,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:46,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146289637] [2022-10-17 10:32:46,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146289637] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:46,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:46,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:32:46,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559701708] [2022-10-17 10:32:46,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:46,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:32:46,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:46,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:32:46,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:46,020 INFO L87 Difference]: Start difference. First operand 1933 states and 2954 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:46,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:32:46,284 INFO L93 Difference]: Finished difference Result 1935 states and 2955 transitions. [2022-10-17 10:32:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:32:46,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-17 10:32:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:32:46,301 INFO L225 Difference]: With dead ends: 1935 [2022-10-17 10:32:46,301 INFO L226 Difference]: Without dead ends: 1932 [2022-10-17 10:32:46,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:46,304 INFO L413 NwaCegarLoop]: 2947 mSDtfsCounter, 2937 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 2947 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:32:46,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 2947 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:32:46,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2022-10-17 10:32:46,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1932. [2022-10-17 10:32:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1296 states have (on average 1.378858024691358) internal successors, (1787), 1383 states have internal predecessors, (1787), 584 states have call successors, (584), 52 states have call predecessors, (584), 51 states have return successors, (581), 580 states have call predecessors, (581), 581 states have call successors, (581) [2022-10-17 10:32:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2952 transitions. [2022-10-17 10:32:46,532 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2952 transitions. Word has length 16 [2022-10-17 10:32:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:32:46,533 INFO L495 AbstractCegarLoop]: Abstraction has 1932 states and 2952 transitions. [2022-10-17 10:32:46,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2952 transitions. [2022-10-17 10:32:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 10:32:46,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:46,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:32:46,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:32:46,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:46,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:46,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1185783456, now seen corresponding path program 1 times [2022-10-17 10:32:46,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:46,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093900154] [2022-10-17 10:32:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:46,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:32:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:32:46,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:46,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093900154] [2022-10-17 10:32:46,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093900154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:46,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:46,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:32:46,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538239259] [2022-10-17 10:32:46,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:46,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:32:46,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:46,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:32:46,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:46,924 INFO L87 Difference]: Start difference. First operand 1932 states and 2952 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:47,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:32:47,140 INFO L93 Difference]: Finished difference Result 1934 states and 2953 transitions. [2022-10-17 10:32:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:32:47,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-10-17 10:32:47,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:32:47,156 INFO L225 Difference]: With dead ends: 1934 [2022-10-17 10:32:47,156 INFO L226 Difference]: Without dead ends: 1931 [2022-10-17 10:32:47,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:47,166 INFO L413 NwaCegarLoop]: 2945 mSDtfsCounter, 2934 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2934 SdHoareTripleChecker+Valid, 2945 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:32:47,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2934 Valid, 2945 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:32:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2022-10-17 10:32:47,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1931. [2022-10-17 10:32:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1296 states have (on average 1.3780864197530864) internal successors, (1786), 1382 states have internal predecessors, (1786), 583 states have call successors, (583), 52 states have call predecessors, (583), 51 states have return successors, (581), 580 states have call predecessors, (581), 581 states have call successors, (581) [2022-10-17 10:32:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2950 transitions. [2022-10-17 10:32:47,434 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2950 transitions. Word has length 17 [2022-10-17 10:32:47,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:32:47,435 INFO L495 AbstractCegarLoop]: Abstraction has 1931 states and 2950 transitions. [2022-10-17 10:32:47,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2950 transitions. [2022-10-17 10:32:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 10:32:47,436 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:47,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:32:47,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:32:47,437 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:47,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:47,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1894335044, now seen corresponding path program 1 times [2022-10-17 10:32:47,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:47,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124905083] [2022-10-17 10:32:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:47,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:32:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:32:47,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:47,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124905083] [2022-10-17 10:32:47,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124905083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:47,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:47,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:32:47,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550924705] [2022-10-17 10:32:47,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:47,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:32:47,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:47,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:32:47,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:47,765 INFO L87 Difference]: Start difference. First operand 1931 states and 2950 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:32:47,967 INFO L93 Difference]: Finished difference Result 1933 states and 2951 transitions. [2022-10-17 10:32:47,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:32:47,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-10-17 10:32:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:32:47,989 INFO L225 Difference]: With dead ends: 1933 [2022-10-17 10:32:47,989 INFO L226 Difference]: Without dead ends: 1920 [2022-10-17 10:32:47,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:32:47,991 INFO L413 NwaCegarLoop]: 2944 mSDtfsCounter, 2931 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 2944 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:32:47,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 2944 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:32:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2022-10-17 10:32:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1920. [2022-10-17 10:32:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1287 states have (on average 1.3783993783993784) internal successors, (1774), 1372 states have internal predecessors, (1774), 581 states have call successors, (581), 52 states have call predecessors, (581), 51 states have return successors, (580), 579 states have call predecessors, (580), 580 states have call successors, (580) [2022-10-17 10:32:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2935 transitions. [2022-10-17 10:32:48,207 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2935 transitions. Word has length 18 [2022-10-17 10:32:48,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:32:48,207 INFO L495 AbstractCegarLoop]: Abstraction has 1920 states and 2935 transitions. [2022-10-17 10:32:48,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:32:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2935 transitions. [2022-10-17 10:32:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 10:32:48,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:48,229 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:32:48,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:32:48,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:48,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2144855087, now seen corresponding path program 1 times [2022-10-17 10:32:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:48,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461009009] [2022-10-17 10:32:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:48,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:32:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:32:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-17 10:32:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-17 10:32:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-17 10:32:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-17 10:32:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 10:32:49,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:49,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461009009] [2022-10-17 10:32:49,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461009009] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:49,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:49,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:32:49,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884233899] [2022-10-17 10:32:49,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:49,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:32:49,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:49,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:32:49,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:32:49,300 INFO L87 Difference]: Start difference. First operand 1920 states and 2935 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-17 10:32:50,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:32:52,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:32:54,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:32:57,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:32:59,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []