./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro --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 c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- 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-8393723 [2022-11-18 18:42:42,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:42:42,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:42:42,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:42:42,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:42:42,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:42:42,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:42:42,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:42:42,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:42:42,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:42:42,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:42:42,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:42:42,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:42:42,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:42:42,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:42:42,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:42:42,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:42:42,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:42:42,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:42:42,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:42:42,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:42:42,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:42:42,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:42:42,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:42:42,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:42:42,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:42:42,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:42:42,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:42:42,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:42:42,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:42:42,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:42:42,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:42:42,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:42:42,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:42:42,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:42:42,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:42:42,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:42:42,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:42:42,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:42:42,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:42:42,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:42:42,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:42:42,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:42:42,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:42:42,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:42:42,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:42:42,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:42:42,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:42:42,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:42:42,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:42:42,274 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:42:42,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:42:42,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:42:42,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:42:42,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:42:42,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:42:42,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:42:42,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:42:42,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:42:42,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:42:42,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:42:42,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:42:42,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:42:42,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:42:42,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:42:42,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:42:42,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:42:42,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:42:42,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:42:42,279 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:42:42,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:42:42,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:42:42,280 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_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-11-18 18:42:42,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:42:42,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:42:42,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:42:42,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:42:42,645 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:42:42,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-18 18:42:42,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/data/908a7386c/2f3865c74e7b41c49b205fa3291714d0/FLAG173cdfbf0 [2022-11-18 18:42:43,858 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:42:43,859 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-18 18:42:43,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/data/908a7386c/2f3865c74e7b41c49b205fa3291714d0/FLAG173cdfbf0 [2022-11-18 18:42:44,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/data/908a7386c/2f3865c74e7b41c49b205fa3291714d0 [2022-11-18 18:42:44,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:42:44,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:42:44,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:42:44,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:42:44,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:42:44,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:44" (1/1) ... [2022-11-18 18:42:44,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af71868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:44, skipping insertion in model container [2022-11-18 18:42:44,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:44" (1/1) ... [2022-11-18 18:42:44,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:42:44,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:42:49,237 WARN L234 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_7b9e85d9-d526-406b-9a49-bd9dea808509/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-11-18 18:42:49,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:42:49,583 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:42:50,194 WARN L234 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_7b9e85d9-d526-406b-9a49-bd9dea808509/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-11-18 18:42:50,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:42:50,563 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:42:50,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50 WrapperNode [2022-11-18 18:42:50,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:42:50,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:42:50,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:42:50,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:42:50,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:50,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,115 INFO L138 Inliner]: procedures = 664, calls = 4066, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9792 [2022-11-18 18:42:51,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:42:51,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:42:51,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:42:51,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:42:51,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:42:51,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:42:51,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:42:51,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:42:51,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (1/1) ... [2022-11-18 18:42:51,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:42:51,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:51,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:42:51,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e85d9-d526-406b-9a49-bd9dea808509/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:42:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-11-18 18:42:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-11-18 18:42:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-11-18 18:42:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-11-18 18:42:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 18:42:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 18:42:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-11-18 18:42:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-11-18 18:42:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-18 18:42:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-18 18:42:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-11-18 18:42:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-11-18 18:42:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-11-18 18:42:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-11-18 18:42:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 18:42:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-11-18 18:42:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-11-18 18:42:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-11-18 18:42:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-11-18 18:42:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-11-18 18:42:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-11-18 18:42:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 18:42:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 18:42:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-11-18 18:42:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-11-18 18:42:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-11-18 18:42:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-11-18 18:42:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-11-18 18:42:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-11-18 18:42:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-18 18:42:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-18 18:42:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-11-18 18:42:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-11-18 18:42:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-11-18 18:42:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-11-18 18:42:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:42:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:42:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-11-18 18:42:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-11-18 18:42:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-11-18 18:42:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-11-18 18:42:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-11-18 18:42:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-11-18 18:42:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-11-18 18:42:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-11-18 18:42:51,811 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-11-18 18:42:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-11-18 18:42:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-11-18 18:42:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-18 18:42:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-18 18:42:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 18:42:51,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 18:42:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-11-18 18:42:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-11-18 18:42:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-11-18 18:42:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-11-18 18:42:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-18 18:42:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-18 18:42:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-11-18 18:42:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-11-18 18:42:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-11-18 18:42:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-11-18 18:42:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 18:42:51,818 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 18:42:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-11-18 18:42:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-11-18 18:42:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-11-18 18:42:51,820 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-11-18 18:42:51,820 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-11-18 18:42:51,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-11-18 18:42:51,821 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-11-18 18:42:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-11-18 18:42:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-11-18 18:42:51,823 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-11-18 18:42:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-11-18 18:42:51,823 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-11-18 18:42:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:42:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:42:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-11-18 18:42:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-11-18 18:42:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-11-18 18:42:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-11-18 18:42:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-11-18 18:42:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-11-18 18:42:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-11-18 18:42:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-11-18 18:42:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-11-18 18:42:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-11-18 18:42:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-18 18:42:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-18 18:42:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-18 18:42:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-11-18 18:42:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-11-18 18:42:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-11-18 18:42:51,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-11-18 18:42:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:42:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:42:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:42:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:42:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-11-18 18:42:51,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-11-18 18:42:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:42:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-11-18 18:42:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-11-18 18:42:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-11-18 18:42:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-11-18 18:42:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 18:42:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 18:42:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-11-18 18:42:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-11-18 18:42:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-11-18 18:42:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-11-18 18:42:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-18 18:42:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-18 18:42:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-11-18 18:42:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-11-18 18:42:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:42:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-11-18 18:42:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-11-18 18:42:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-11-18 18:42:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-11-18 18:42:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 18:42:51,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 18:42:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-11-18 18:42:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-11-18 18:42:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-11-18 18:42:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-11-18 18:42:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:42:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-11-18 18:42:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-11-18 18:42:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-11-18 18:42:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-11-18 18:42:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-11-18 18:42:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-11-18 18:42:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-11-18 18:42:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-11-18 18:42:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:42:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-11-18 18:42:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-11-18 18:42:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-11-18 18:42:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-11-18 18:42:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:42:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:42:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-11-18 18:42:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-11-18 18:42:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-11-18 18:42:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-11-18 18:42:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-11-18 18:42:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-11-18 18:42:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-18 18:42:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-18 18:42:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-11-18 18:42:51,840 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-11-18 18:42:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-11-18 18:42:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-11-18 18:42:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 18:42:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 18:42:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-11-18 18:42:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-11-18 18:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-11-18 18:42:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-11-18 18:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-11-18 18:42:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-11-18 18:42:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 18:42:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 18:42:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-11-18 18:42:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-11-18 18:42:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-11-18 18:42:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-11-18 18:42:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-11-18 18:42:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-11-18 18:42:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:42:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-18 18:42:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-18 18:42:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-11-18 18:42:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-11-18 18:42:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 18:42:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 18:42:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:42:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-11-18 18:42:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-11-18 18:42:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-18 18:42:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-18 18:42:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-11-18 18:42:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-11-18 18:42:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:42:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:42:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:42:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-11-18 18:42:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-11-18 18:42:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-18 18:42:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-18 18:42:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-11-18 18:42:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-11-18 18:42:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-11-18 18:42:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-11-18 18:42:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-11-18 18:42:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-11-18 18:42:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-18 18:42:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-18 18:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-11-18 18:42:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-11-18 18:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-11-18 18:42:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-11-18 18:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 18:42:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 18:42:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-11-18 18:42:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-11-18 18:42:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-11-18 18:42:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-11-18 18:42:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 18:42:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 18:42:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-11-18 18:42:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-11-18 18:42:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-11-18 18:42:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-11-18 18:42:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-11-18 18:42:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-11-18 18:42:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-11-18 18:42:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-11-18 18:42:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-11-18 18:42:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-11-18 18:42:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-18 18:42:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-18 18:42:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-11-18 18:42:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-11-18 18:42:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 18:42:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 18:42:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 18:42:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 18:42:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-11-18 18:42:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-11-18 18:42:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-11-18 18:42:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-11-18 18:42:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-11-18 18:42:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-11-18 18:42:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-11-18 18:42:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-11-18 18:42:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-18 18:42:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-18 18:42:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-11-18 18:42:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-11-18 18:42:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:42:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:42:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-11-18 18:42:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-11-18 18:42:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 18:42:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 18:42:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-11-18 18:42:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-11-18 18:42:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-11-18 18:42:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-11-18 18:42:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-18 18:42:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-18 18:42:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-11-18 18:42:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-11-18 18:42:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-11-18 18:42:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-11-18 18:42:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-11-18 18:42:51,858 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-11-18 18:42:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:42:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:42:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:42:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:42:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-11-18 18:42:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-11-18 18:42:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-11-18 18:42:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-11-18 18:42:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-11-18 18:42:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-11-18 18:42:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-11-18 18:42:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-11-18 18:42:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-11-18 18:42:51,860 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-11-18 18:42:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-11-18 18:42:51,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-11-18 18:42:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-11-18 18:42:51,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-11-18 18:42:51,861 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-11-18 18:42:51,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-11-18 18:42:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-11-18 18:42:51,862 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-11-18 18:42:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-11-18 18:42:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-11-18 18:42:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-11-18 18:42:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-11-18 18:42:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-11-18 18:42:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-11-18 18:42:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-11-18 18:42:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-11-18 18:42:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 18:42:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 18:42:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-11-18 18:42:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-11-18 18:42:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:42:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:42:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-18 18:42:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-18 18:42:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-11-18 18:42:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-11-18 18:42:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 18:42:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 18:42:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:42:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:42:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-11-18 18:42:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-11-18 18:42:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:42:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:42:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-11-18 18:42:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-11-18 18:42:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-11-18 18:42:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-11-18 18:42:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-11-18 18:42:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-11-18 18:42:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 18:42:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 18:42:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-11-18 18:42:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-11-18 18:42:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-18 18:42:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-18 18:42:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-11-18 18:42:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-11-18 18:42:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-11-18 18:42:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-11-18 18:42:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-11-18 18:42:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-11-18 18:42:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-11-18 18:42:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-11-18 18:42:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 18:42:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 18:42:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:42:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 18:42:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 18:42:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-18 18:42:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-18 18:42:51,871 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-11-18 18:42:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-11-18 18:42:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:42:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-11-18 18:42:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-11-18 18:42:51,872 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-18 18:42:51,872 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-18 18:42:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-11-18 18:42:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-11-18 18:42:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-11-18 18:42:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-11-18 18:42:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-18 18:42:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-18 18:42:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-11-18 18:42:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-11-18 18:42:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-11-18 18:42:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-11-18 18:42:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-11-18 18:42:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-11-18 18:42:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:42:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-11-18 18:42:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-11-18 18:42:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-11-18 18:42:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-11-18 18:42:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:42:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:42:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 18:42:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 18:42:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 18:42:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 18:42:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-11-18 18:42:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-11-18 18:42:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 18:42:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 18:42:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-11-18 18:42:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-11-18 18:42:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-11-18 18:42:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-11-18 18:42:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-11-18 18:42:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-11-18 18:42:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-18 18:42:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-18 18:42:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-11-18 18:42:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-11-18 18:42:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-11-18 18:42:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-11-18 18:42:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-11-18 18:42:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-11-18 18:42:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-11-18 18:42:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-11-18 18:42:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-11-18 18:42:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-11-18 18:42:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 18:42:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 18:42:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-11-18 18:42:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-11-18 18:42:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-11-18 18:42:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-11-18 18:42:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-11-18 18:42:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-11-18 18:42:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-11-18 18:42:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-11-18 18:42:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-11-18 18:42:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-11-18 18:42:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-11-18 18:42:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-11-18 18:42:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-11-18 18:42:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-11-18 18:42:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-11-18 18:42:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-11-18 18:42:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-11-18 18:42:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-11-18 18:42:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 18:42:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 18:42:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-11-18 18:42:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-11-18 18:42:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-11-18 18:42:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:42:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:42:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-11-18 18:42:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-11-18 18:42:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:42:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-11-18 18:42:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-11-18 18:42:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-11-18 18:42:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-11-18 18:42:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:42:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:42:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-11-18 18:42:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-11-18 18:42:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 18:42:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 18:42:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-11-18 18:42:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-11-18 18:42:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-11-18 18:42:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-11-18 18:42:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 18:42:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 18:42:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-11-18 18:42:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-11-18 18:42:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-11-18 18:42:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-11-18 18:42:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-11-18 18:42:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-11-18 18:42:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-11-18 18:42:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-11-18 18:42:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-11-18 18:42:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-11-18 18:42:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-11-18 18:42:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-11-18 18:42:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-11-18 18:42:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-11-18 18:42:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-11-18 18:42:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-11-18 18:42:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-11-18 18:42:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-11-18 18:42:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 18:42:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 18:42:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-11-18 18:42:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-11-18 18:42:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-11-18 18:42:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-11-18 18:42:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-11-18 18:42:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-11-18 18:42:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 18:42:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 18:42:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-11-18 18:42:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-11-18 18:42:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-11-18 18:42:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-11-18 18:42:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-11-18 18:42:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-11-18 18:42:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-18 18:42:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-18 18:42:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-11-18 18:42:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-11-18 18:42:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-18 18:42:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-18 18:42:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-11-18 18:42:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-11-18 18:42:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-11-18 18:42:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-11-18 18:42:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-11-18 18:42:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-11-18 18:42:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-11-18 18:42:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-11-18 18:42:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-11-18 18:42:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-11-18 18:42:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-11-18 18:42:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-11-18 18:42:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-11-18 18:42:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-11-18 18:42:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-11-18 18:42:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 18:42:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 18:42:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 18:42:51,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 18:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-11-18 18:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-11-18 18:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-11-18 18:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-11-18 18:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-11-18 18:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-11-18 18:42:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-11-18 18:42:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-11-18 18:42:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:42:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-11-18 18:42:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-11-18 18:42:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-11-18 18:42:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-11-18 18:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-11-18 18:42:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-11-18 18:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 18:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-11-18 18:42:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-11-18 18:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-11-18 18:42:51,916 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-11-18 18:42:53,749 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:42:53,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:42:54,805 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:43:10,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:43:10,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:43:10,248 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:43:10,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:10 BoogieIcfgContainer [2022-11-18 18:43:10,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:43:10,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:43:10,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:43:10,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:43:10,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:42:44" (1/3) ... [2022-11-18 18:43:10,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a557954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:10, skipping insertion in model container [2022-11-18 18:43:10,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:50" (2/3) ... [2022-11-18 18:43:10,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a557954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:10, skipping insertion in model container [2022-11-18 18:43:10,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:10" (3/3) ... [2022-11-18 18:43:10,269 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-18 18:43:10,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:43:10,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:43:10,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:43:10,520 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;@4e60d36c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:43:10,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:43:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 3869 states, 2489 states have (on average 1.2723985536359983) internal successors, (3167), 2575 states have internal predecessors, (3167), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2022-11-18 18:43:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 18:43:10,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:10,565 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:10,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:43:10,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:10,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2033995527, now seen corresponding path program 1 times [2022-11-18 18:43:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:10,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179023339] [2022-11-18 18:43:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:10,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:43:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:43:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:43:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:43:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:43:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:43:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:43:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:43:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:43:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:43:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:43:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:43:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:43:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:43:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:43:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:43:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:43:12,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:12,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179023339] [2022-11-18 18:43:12,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179023339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:12,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:12,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:43:12,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821988372] [2022-11-18 18:43:12,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:12,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:43:12,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:12,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:43:12,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:43:12,637 INFO L87 Difference]: Start difference. First operand has 3869 states, 2489 states have (on average 1.2723985536359983) internal successors, (3167), 2575 states have internal predecessors, (3167), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:43:31,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:33,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:33,583 INFO L93 Difference]: Finished difference Result 8391 states and 12247 transitions. [2022-11-18 18:43:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:33,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-11-18 18:43:33,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:33,653 INFO L225 Difference]: With dead ends: 8391 [2022-11-18 18:43:33,653 INFO L226 Difference]: Without dead ends: 4506 [2022-11-18 18:43:33,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:33,688 INFO L413 NwaCegarLoop]: 4165 mSDtfsCounter, 4261 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 2979 mSolverCounterSat, 4963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4360 SdHoareTripleChecker+Valid, 6309 SdHoareTripleChecker+Invalid, 7942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4963 IncrementalHoareTripleChecker+Valid, 2979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:33,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4360 Valid, 6309 Invalid, 7942 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4963 Valid, 2979 Invalid, 0 Unknown, 0 Unchecked, 20.0s Time] [2022-11-18 18:43:33,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4506 states. [2022-11-18 18:43:34,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4506 to 3848. [2022-11-18 18:43:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3848 states, 2476 states have (on average 1.2669628432956381) internal successors, (3137), 2554 states have internal predecessors, (3137), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-18 18:43:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 5387 transitions. [2022-11-18 18:43:34,157 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 5387 transitions. Word has length 253 [2022-11-18 18:43:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:34,160 INFO L495 AbstractCegarLoop]: Abstraction has 3848 states and 5387 transitions. [2022-11-18 18:43:34,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:43:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 5387 transitions. [2022-11-18 18:43:34,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 18:43:34,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:34,183 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:34,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:43:34,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:43:34,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1462796071, now seen corresponding path program 1 times [2022-11-18 18:43:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:34,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167983468] [2022-11-18 18:43:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:43:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:43:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:43:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:43:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:43:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:43:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:43:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:43:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:43:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:43:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:43:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:43:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:43:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:43:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:43:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:43:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:43:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:43:35,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:35,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167983468] [2022-11-18 18:43:35,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167983468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:35,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:35,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:43:35,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743191534] [2022-11-18 18:43:35,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:35,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:35,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:35,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:35,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:35,752 INFO L87 Difference]: Start difference. First operand 3848 states and 5387 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:43:42,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:49,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:53,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:08,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:09,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:11,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:14,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:15,273 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 [] [2022-11-18 18:44:16,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:16,108 INFO L93 Difference]: Finished difference Result 4508 states and 6512 transitions. [2022-11-18 18:44:16,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:44:16,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-11-18 18:44:16,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:16,141 INFO L225 Difference]: With dead ends: 4508 [2022-11-18 18:44:16,141 INFO L226 Difference]: Without dead ends: 4505 [2022-11-18 18:44:16,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:44:16,145 INFO L413 NwaCegarLoop]: 4089 mSDtfsCounter, 7446 mSDsluCounter, 5471 mSDsCounter, 0 mSdLazyCounter, 5648 mSolverCounterSat, 4221 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8082 SdHoareTripleChecker+Valid, 9560 SdHoareTripleChecker+Invalid, 9871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4221 IncrementalHoareTripleChecker+Valid, 5648 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:16,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8082 Valid, 9560 Invalid, 9871 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4221 Valid, 5648 Invalid, 2 Unknown, 0 Unchecked, 39.5s Time] [2022-11-18 18:44:16,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4505 states. [2022-11-18 18:44:16,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4505 to 3847. [2022-11-18 18:44:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3847 states, 2476 states have (on average 1.2665589660743135) internal successors, (3136), 2553 states have internal predecessors, (3136), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-18 18:44:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3847 states and 5385 transitions. [2022-11-18 18:44:16,380 INFO L78 Accepts]: Start accepts. Automaton has 3847 states and 5385 transitions. Word has length 253 [2022-11-18 18:44:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:16,382 INFO L495 AbstractCegarLoop]: Abstraction has 3847 states and 5385 transitions. [2022-11-18 18:44:16,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:44:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 5385 transitions. [2022-11-18 18:44:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-18 18:44:16,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:16,390 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:44:16,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:44:16,392 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:44:16,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:16,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1899923033, now seen corresponding path program 1 times [2022-11-18 18:44:16,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:16,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256427290] [2022-11-18 18:44:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:16,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:44:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:44:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:44:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:44:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:44:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:44:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:44:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:44:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:44:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:44:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:44:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:44:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:44:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:44:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:44:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:44:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:44:17,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:17,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256427290] [2022-11-18 18:44:17,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256427290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:17,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:17,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:17,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425197148] [2022-11-18 18:44:17,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:17,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:17,576 INFO L87 Difference]: Start difference. First operand 3847 states and 5385 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:44:22,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:39,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:41,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:43,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:43,692 INFO L93 Difference]: Finished difference Result 4507 states and 6510 transitions. [2022-11-18 18:44:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:44:43,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 254 [2022-11-18 18:44:43,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:43,729 INFO L225 Difference]: With dead ends: 4507 [2022-11-18 18:44:43,729 INFO L226 Difference]: Without dead ends: 4504 [2022-11-18 18:44:43,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:44:43,739 INFO L413 NwaCegarLoop]: 4069 mSDtfsCounter, 7457 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 4233 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8100 SdHoareTripleChecker+Valid, 7966 SdHoareTripleChecker+Invalid, 8565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4233 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:43,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8100 Valid, 7966 Invalid, 8565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4233 Valid, 4331 Invalid, 1 Unknown, 0 Unchecked, 25.5s Time] [2022-11-18 18:44:43,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-11-18 18:44:43,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 3846. [2022-11-18 18:44:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2476 states have (on average 1.2661550888529887) internal successors, (3135), 2552 states have internal predecessors, (3135), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-18 18:44:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5383 transitions. [2022-11-18 18:44:44,005 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5383 transitions. Word has length 254 [2022-11-18 18:44:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:44,006 INFO L495 AbstractCegarLoop]: Abstraction has 3846 states and 5383 transitions. [2022-11-18 18:44:44,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:44:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5383 transitions. [2022-11-18 18:44:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-18 18:44:44,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:44,012 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:44:44,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:44:44,012 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:44:44,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:44,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1229972010, now seen corresponding path program 1 times [2022-11-18 18:44:44,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:44,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638848189] [2022-11-18 18:44:44,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:44,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:44:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:44:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:44:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:44:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:44:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:44:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:44:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:44:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:44:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:44:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:44:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:44:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:44:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:44:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:44:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:44:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:44:44,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:44,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638848189] [2022-11-18 18:44:44,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638848189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:44,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:44,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554879806] [2022-11-18 18:44:44,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:44,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:44,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:44,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:44,925 INFO L87 Difference]: Start difference. First operand 3846 states and 5383 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:44:54,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:02,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:03,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:03,681 INFO L93 Difference]: Finished difference Result 4506 states and 6508 transitions. [2022-11-18 18:45:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:45:03,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 255 [2022-11-18 18:45:03,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:03,712 INFO L225 Difference]: With dead ends: 4506 [2022-11-18 18:45:03,712 INFO L226 Difference]: Without dead ends: 4503 [2022-11-18 18:45:03,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:45:03,717 INFO L413 NwaCegarLoop]: 4073 mSDtfsCounter, 8960 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 5940 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9604 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 8971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5940 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:03,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9604 Valid, 6197 Invalid, 8971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5940 Valid, 3030 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2022-11-18 18:45:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4503 states. [2022-11-18 18:45:04,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4503 to 3845. [2022-11-18 18:45:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2476 states have (on average 1.265751211631664) internal successors, (3134), 2551 states have internal predecessors, (3134), 1125 states have call successors, (1125), 244 states have call predecessors, (1125), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-18 18:45:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 5381 transitions. [2022-11-18 18:45:04,044 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 5381 transitions. Word has length 255 [2022-11-18 18:45:04,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:04,045 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 5381 transitions. [2022-11-18 18:45:04,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:45:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 5381 transitions. [2022-11-18 18:45:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-18 18:45:04,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:04,051 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:04,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:45:04,099 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:04,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash -527524598, now seen corresponding path program 1 times [2022-11-18 18:45:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:04,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066679913] [2022-11-18 18:45:04,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:04,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:45:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:45:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:45:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:45:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:45:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:45:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:45:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:45:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:45:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:45:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:45:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:45:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:45:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:45:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:45:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:45:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:45:05,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:05,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066679913] [2022-11-18 18:45:05,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066679913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:05,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:05,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:05,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130215048] [2022-11-18 18:45:05,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:05,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:05,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:05,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:05,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:05,058 INFO L87 Difference]: Start difference. First operand 3845 states and 5381 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:45:14,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:22,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:23,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:25,361 INFO L93 Difference]: Finished difference Result 4516 states and 6515 transitions. [2022-11-18 18:45:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:45:25,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 256 [2022-11-18 18:45:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:25,399 INFO L225 Difference]: With dead ends: 4516 [2022-11-18 18:45:25,399 INFO L226 Difference]: Without dead ends: 4503 [2022-11-18 18:45:25,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:45:25,406 INFO L413 NwaCegarLoop]: 4119 mSDtfsCounter, 8923 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 3041 mSolverCounterSat, 5929 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9530 SdHoareTripleChecker+Valid, 6266 SdHoareTripleChecker+Invalid, 8971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5929 IncrementalHoareTripleChecker+Valid, 3041 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:25,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9530 Valid, 6266 Invalid, 8971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5929 Valid, 3041 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2022-11-18 18:45:25,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4503 states. [2022-11-18 18:45:25,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4503 to 3845. [2022-11-18 18:45:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2475 states have (on average 1.2646464646464646) internal successors, (3130), 2548 states have internal predecessors, (3130), 1123 states have call successors, (1123), 247 states have call predecessors, (1123), 246 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-18 18:45:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 5375 transitions. [2022-11-18 18:45:25,850 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 5375 transitions. Word has length 256 [2022-11-18 18:45:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:25,851 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 5375 transitions. [2022-11-18 18:45:25,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:45:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 5375 transitions. [2022-11-18 18:45:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-18 18:45:25,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:25,863 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:25,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:45:25,863 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:25,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:25,864 INFO L85 PathProgramCache]: Analyzing trace with hash -793549013, now seen corresponding path program 1 times [2022-11-18 18:45:25,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:25,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245517376] [2022-11-18 18:45:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:25,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:45:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:45:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:45:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:45:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:45:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:45:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:45:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:45:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:45:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:45:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:45:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:45:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:45:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:45:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:45:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:45:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-18 18:45:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-18 18:45:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-18 18:45:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:45:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:26,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245517376] [2022-11-18 18:45:26,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245517376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:26,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:26,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:45:26,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480599910] [2022-11-18 18:45:26,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:26,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:45:26,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:45:26,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:45:26,768 INFO L87 Difference]: Start difference. First operand 3845 states and 5375 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:45:34,653 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 [] [2022-11-18 18:45:40,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:42,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:20,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:22,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:25,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:28,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:31,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:35,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:35,510 INFO L93 Difference]: Finished difference Result 12717 states and 18355 transitions. [2022-11-18 18:46:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:46:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-11-18 18:46:35,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:35,589 INFO L225 Difference]: With dead ends: 12717 [2022-11-18 18:46:35,589 INFO L226 Difference]: Without dead ends: 8911 [2022-11-18 18:46:35,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:46:35,614 INFO L413 NwaCegarLoop]: 3256 mSDtfsCounter, 12598 mSDsluCounter, 7835 mSDsCounter, 0 mSdLazyCounter, 18601 mSolverCounterSat, 11527 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13399 SdHoareTripleChecker+Valid, 11091 SdHoareTripleChecker+Invalid, 30130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11527 IncrementalHoareTripleChecker+Valid, 18601 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:35,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13399 Valid, 11091 Invalid, 30130 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11527 Valid, 18601 Invalid, 2 Unknown, 0 Unchecked, 67.0s Time] [2022-11-18 18:46:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8911 states. [2022-11-18 18:46:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8911 to 6551. [2022-11-18 18:46:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6551 states, 4186 states have (on average 1.2529861442904922) internal successors, (5245), 4330 states have internal predecessors, (5245), 1905 states have call successors, (1905), 460 states have call predecessors, (1905), 459 states have return successors, (1904), 1846 states have call predecessors, (1904), 1904 states have call successors, (1904) [2022-11-18 18:46:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6551 states to 6551 states and 9054 transitions. [2022-11-18 18:46:36,327 INFO L78 Accepts]: Start accepts. Automaton has 6551 states and 9054 transitions. Word has length 288 [2022-11-18 18:46:36,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:36,328 INFO L495 AbstractCegarLoop]: Abstraction has 6551 states and 9054 transitions. [2022-11-18 18:46:36,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:46:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 6551 states and 9054 transitions. [2022-11-18 18:46:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-18 18:46:36,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:36,344 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:36,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:46:36,344 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:36,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash -730562151, now seen corresponding path program 1 times [2022-11-18 18:46:36,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:36,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480947135] [2022-11-18 18:46:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:36,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:46:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:46:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:46:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:46:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:46:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:46:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:46:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:46:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:46:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:46:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:46:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:46:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:46:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:46:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:46:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:46:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 18:46:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 18:46:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-18 18:46:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 18:46:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:46:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-18 18:46:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-11-18 18:46:37,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:37,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480947135] [2022-11-18 18:46:37,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480947135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:37,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:37,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:46:37,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18926566] [2022-11-18 18:46:37,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:37,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:46:37,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:37,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:46:37,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:46:37,285 INFO L87 Difference]: Start difference. First operand 6551 states and 9054 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 18:46:43,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:44,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:48,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:56,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:57,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:29,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:32,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:35,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:36,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:39,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:41,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:42,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:44,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:46,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:48,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:52,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:53,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:56,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:58,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:01,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:01,559 INFO L93 Difference]: Finished difference Result 20077 states and 29000 transitions. [2022-11-18 18:48:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 18:48:01,560 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 341 [2022-11-18 18:48:01,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:01,633 INFO L225 Difference]: With dead ends: 20077 [2022-11-18 18:48:01,634 INFO L226 Difference]: Without dead ends: 13565 [2022-11-18 18:48:01,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:48:01,671 INFO L413 NwaCegarLoop]: 4461 mSDtfsCounter, 11146 mSDsluCounter, 9982 mSDsCounter, 0 mSdLazyCounter, 21182 mSolverCounterSat, 10527 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12091 SdHoareTripleChecker+Valid, 14443 SdHoareTripleChecker+Invalid, 31714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10527 IncrementalHoareTripleChecker+Valid, 21182 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:01,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12091 Valid, 14443 Invalid, 31714 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10527 Valid, 21182 Invalid, 5 Unknown, 0 Unchecked, 82.1s Time] [2022-11-18 18:48:01,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13565 states. [2022-11-18 18:48:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13565 to 9607. [2022-11-18 18:48:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9607 states, 6160 states have (on average 1.2501623376623376) internal successors, (7701), 6377 states have internal predecessors, (7701), 2761 states have call successors, (2761), 686 states have call predecessors, (2761), 685 states have return successors, (2760), 2673 states have call predecessors, (2760), 2760 states have call successors, (2760) [2022-11-18 18:48:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9607 states to 9607 states and 13222 transitions. [2022-11-18 18:48:02,803 INFO L78 Accepts]: Start accepts. Automaton has 9607 states and 13222 transitions. Word has length 341 [2022-11-18 18:48:02,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:02,805 INFO L495 AbstractCegarLoop]: Abstraction has 9607 states and 13222 transitions. [2022-11-18 18:48:02,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 18:48:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 9607 states and 13222 transitions. [2022-11-18 18:48:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-18 18:48:02,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:48:02,821 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:48:02,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:48:02,822 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:48:02,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:48:02,823 INFO L85 PathProgramCache]: Analyzing trace with hash 444098216, now seen corresponding path program 1 times [2022-11-18 18:48:02,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:48:02,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336311425] [2022-11-18 18:48:02,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:48:02,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:48:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:48:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:48:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:48:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:48:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 18:48:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:48:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:48:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:48:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 18:48:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:48:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:48:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:48:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:48:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 18:48:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:48:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:48:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:48:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-18 18:48:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 18:48:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-18 18:48:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 18:48:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-18 18:48:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-18 18:48:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-18 18:48:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-18 18:48:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 18:48:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-18 18:48:03,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:48:03,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336311425] [2022-11-18 18:48:03,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336311425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:48:03,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:48:03,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:48:03,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760375274] [2022-11-18 18:48:03,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:48:03,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:48:03,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:48:03,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:48:03,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:48:03,771 INFO L87 Difference]: Start difference. First operand 9607 states and 13222 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 18:48:08,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:09,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:20,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:42,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:44,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:46,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:48,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:49,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:51,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:55,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:57,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:57,564 INFO L93 Difference]: Finished difference Result 13189 states and 19222 transitions. [2022-11-18 18:48:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:48:57,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 343 [2022-11-18 18:48:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:57,567 INFO L225 Difference]: With dead ends: 13189 [2022-11-18 18:48:57,567 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:48:57,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:48:57,627 INFO L413 NwaCegarLoop]: 2939 mSDtfsCounter, 5764 mSDsluCounter, 7153 mSDsCounter, 0 mSdLazyCounter, 13692 mSolverCounterSat, 5436 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6343 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 19129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5436 IncrementalHoareTripleChecker+Valid, 13692 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:57,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6343 Valid, 10092 Invalid, 19129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5436 Valid, 13692 Invalid, 1 Unknown, 0 Unchecked, 52.1s Time] [2022-11-18 18:48:57,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:48:57,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:48:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:48:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:48:57,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2022-11-18 18:48:57,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:57,632 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:48:57,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-18 18:48:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:48:57,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:48:57,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:48:57,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:48:57,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.