./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-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y --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 71ae762d3463fef3e0ebb4d119521f12329b84181672b3d3c2019f1e21951d6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:04:13,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:04:13,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:04:13,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:04:13,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:04:13,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:04:13,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:04:13,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:04:13,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:04:13,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:04:13,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:04:13,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:04:13,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:04:13,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:04:13,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:04:13,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:04:13,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:04:13,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:04:13,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:04:13,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:04:13,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:04:13,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:04:13,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:04:13,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:04:13,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:04:13,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:04:13,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:04:13,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:04:13,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:04:13,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:04:13,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:04:13,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:04:13,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:04:13,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:04:13,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:04:13,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:04:13,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:04:13,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:04:13,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:04:13,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:04:13,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:04:13,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:04:13,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:04:13,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:04:13,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:04:13,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:04:13,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:04:13,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:04:13,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:04:13,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:04:13,386 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:04:13,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:04:13,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:04:13,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:04:13,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:04:13,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:04:13,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:04:13,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:04:13,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:04:13,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:04:13,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:04:13,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:04:13,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:04:13,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:04:13,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:04:13,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:04:13,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:04:13,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:04:13,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:04:13,392 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:04:13,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:04:13,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:04:13,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:04:13,393 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_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71ae762d3463fef3e0ebb4d119521f12329b84181672b3d3c2019f1e21951d6d [2021-11-13 18:04:13,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:04:13,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:04:13,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:04:13,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:04:13,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:04:13,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-13 18:04:13,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/data/39607a437/60730595d7924132a2948eceefab0b9d/FLAG0edf229a2 [2021-11-13 18:04:15,155 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:04:15,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-13 18:04:15,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/data/39607a437/60730595d7924132a2948eceefab0b9d/FLAG0edf229a2 [2021-11-13 18:04:15,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/data/39607a437/60730595d7924132a2948eceefab0b9d [2021-11-13 18:04:15,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:04:15,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:04:15,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:04:15,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:04:15,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:04:15,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:04:15" (1/1) ... [2021-11-13 18:04:15,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc8bde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:15, skipping insertion in model container [2021-11-13 18:04:15,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:04:15" (1/1) ... [2021-11-13 18:04:15,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:04:15,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:04:18,741 WARN L228 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_3e47d665-d858-4a3c-9ccc-13229fd35c73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i[315942,315955] [2021-11-13 18:04:18,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:04:18,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:04:19,586 WARN L228 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_3e47d665-d858-4a3c-9ccc-13229fd35c73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i[315942,315955] [2021-11-13 18:04:19,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:04:19,825 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:04:19,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19 WrapperNode [2021-11-13 18:04:19,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:04:19,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:04:19,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:04:19,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:04:19,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:04:20,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:04:20,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:04:20,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:04:20,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:04:20,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:04:20,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:04:20,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:04:20,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (1/1) ... [2021-11-13 18:04:20,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:04:20,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:04:21,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:04:21,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:04:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kmap_atomic [2021-11-13 18:04:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kmap_atomic [2021-11-13 18:04:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_dumpregs [2021-11-13 18:04:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_dumpregs [2021-11-13 18:04:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-13 18:04:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_needed [2021-11-13 18:04:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_needed [2021-11-13 18:04:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_preset_value [2021-11-13 18:04:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_preset_value [2021-11-13 18:04:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:04:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:04:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:04:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:04:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:04:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:04:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-13 18:04:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-13 18:04:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-13 18:04:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-13 18:04:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-13 18:04:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-13 18:04:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-13 18:04:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-13 18:04:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_irq_wakeups [2021-11-13 18:04:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_irq_wakeups [2021-11-13 18:04:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:04:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:04:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_execute_tuning [2021-11-13 18:04:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_execute_tuning [2021-11-13 18:04:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:04:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:04:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_hw_reset [2021-11-13 18:04:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_hw_reset [2021-11-13 18:04:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 18:04:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 18:04:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-13 18:04:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-13 18:04:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-13 18:04:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-13 18:04:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:04:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:04:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-11-13 18:04:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-11-13 18:04:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:04:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:04:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-13 18:04:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-13 18:04:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kunmap_atomic [2021-11-13 18:04:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kunmap_atomic [2021-11-13 18:04:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:04:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:04:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq [2021-11-13 18:04:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq [2021-11-13 18:04:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-13 18:04:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-13 18:04:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_thread_irq [2021-11-13 18:04:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_thread_irq [2021-11-13 18:04:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_remove_host [2021-11-13 18:04:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_remove_host [2021-11-13 18:04:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_4 [2021-11-13 18:04:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_4 [2021-11-13 18:04:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-13 18:04:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-13 18:04:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_check_ro [2021-11-13 18:04:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_check_ro [2021-11-13 18:04:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-13 18:04:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-13 18:04:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 18:04:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 18:04:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:04:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2021-11-13 18:04:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2021-11-13 18:04:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_preset_value [2021-11-13 18:04:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_preset_value [2021-11-13 18:04:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-13 18:04:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-13 18:04:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_disable_card_detection [2021-11-13 18:04:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_disable_card_detection [2021-11-13 18:04:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:04:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_prepare_data [2021-11-13 18:04:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_prepare_data [2021-11-13 18:04:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-13 18:04:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-13 18:04:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_request [2021-11-13 18:04:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_request [2021-11-13 18:04:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:04:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:04:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-13 18:04:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-13 18:04:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:04:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:04:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_set_voltage [2021-11-13 18:04:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_set_voltage [2021-11-13 18:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_pre_dma_transfer [2021-11-13 18:04:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_pre_dma_transfer [2021-11-13 18:04:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writeb [2021-11-13 18:04:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writeb [2021-11-13 18:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:04:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writel [2021-11-13 18:04:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writel [2021-11-13 18:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writew [2021-11-13 18:04:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writew [2021-11-13 18:04:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_reinit [2021-11-13 18:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_reinit [2021-11-13 18:04:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-11-13 18:04:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-11-13 18:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_timeout [2021-11-13 18:04:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_timeout [2021-11-13 18:04:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:04:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:04:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_card_detection [2021-11-13 18:04:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_card_detection [2021-11-13 18:04:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-13 18:04:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-13 18:04:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_timer_stop [2021-11-13 18:04:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_timer_stop [2021-11-13 18:04:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_card_detection [2021-11-13 18:04:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_card_detection [2021-11-13 18:04:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:04:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_irq [2021-11-13 18:04:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_irq [2021-11-13 18:04:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 18:04:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 18:04:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_get [2021-11-13 18:04:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_get [2021-11-13 18:04:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:04:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:04:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:04:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-13 18:04:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-13 18:04:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:04:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:04:21,119 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_resume_host [2021-11-13 18:04:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_resume_host [2021-11-13 18:04:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_5 [2021-11-13 18:04:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_5 [2021-11-13 18:04:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_4 [2021-11-13 18:04:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_4 [2021-11-13 18:04:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:04:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:04:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_cd [2021-11-13 18:04:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_cd [2021-11-13 18:04:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_4 [2021-11-13 18:04:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_4 [2021-11-13 18:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_put [2021-11-13 18:04:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_put [2021-11-13 18:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_regulator_set_ocr [2021-11-13 18:04:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_regulator_set_ocr [2021-11-13 18:04:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_data [2021-11-13 18:04:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_data [2021-11-13 18:04:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:04:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:04:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_set_ios [2021-11-13 18:04:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_set_ios [2021-11-13 18:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-13 18:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-13 18:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_event [2021-11-13 18:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_event [2021-11-13 18:04:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_start_signal_voltage_switch [2021-11-13 18:04:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_start_signal_voltage_switch [2021-11-13 18:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 18:04:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 18:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_busy [2021-11-13 18:04:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_busy [2021-11-13 18:04:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-13 18:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-13 18:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2021-11-13 18:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2021-11-13 18:04:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 18:04:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 18:04:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq_nolock [2021-11-13 18:04:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq_nolock [2021-11-13 18:04:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:04:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:04:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:04:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:04:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2021-11-13 18:04:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2021-11-13 18:04:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-13 18:04:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-13 18:04:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:04:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:04:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-11-13 18:04:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-11-13 18:04:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-13 18:04:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-13 18:04:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:04:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:04:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_ro [2021-11-13 18:04:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_ro [2021-11-13 18:04:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-13 18:04:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-13 18:04:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-11-13 18:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-11-13 18:04:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_send_command [2021-11-13 18:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_send_command [2021-11-13 18:04:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_ro [2021-11-13 18:04:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_ro [2021-11-13 18:04:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-13 18:04:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-13 18:04:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_cd [2021-11-13 18:04:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_cd [2021-11-13 18:04:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_ios [2021-11-13 18:04:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_ios [2021-11-13 18:04:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:04:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:04:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-13 18:04:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-13 18:04:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_is_supported_voltage [2021-11-13 18:04:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_is_supported_voltage [2021-11-13 18:04:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_resume_host [2021-11-13 18:04:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_resume_host [2021-11-13 18:04:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 18:04:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 18:04:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 18:04:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 18:04:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readb [2021-11-13 18:04:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readb [2021-11-13 18:04:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_bus_off [2021-11-13 18:04:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_bus_off [2021-11-13 18:04:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_init [2021-11-13 18:04:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_init [2021-11-13 18:04:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_add_host [2021-11-13 18:04:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_add_host [2021-11-13 18:04:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:04:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 18:04:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 18:04:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-11-13 18:04:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-11-13 18:04:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_reset [2021-11-13 18:04:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_reset [2021-11-13 18:04:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readw [2021-11-13 18:04:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readw [2021-11-13 18:04:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-13 18:04:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-13 18:04:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_command [2021-11-13 18:04:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_command [2021-11-13 18:04:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:04:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:04:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readl [2021-11-13 18:04:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readl [2021-11-13 18:04:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_adma_write_desc [2021-11-13 18:04:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_adma_write_desc [2021-11-13 18:04:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 18:04:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 18:04:24,175 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:04:53,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:04:53,132 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 18:04:53,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:04:53 BoogieIcfgContainer [2021-11-13 18:04:53,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:04:53,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:04:53,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:04:53,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:04:53,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:04:15" (1/3) ... [2021-11-13 18:04:53,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a6b25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:04:53, skipping insertion in model container [2021-11-13 18:04:53,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:04:19" (2/3) ... [2021-11-13 18:04:53,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a6b25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:04:53, skipping insertion in model container [2021-11-13 18:04:53,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:04:53" (3/3) ... [2021-11-13 18:04:53,157 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-13 18:04:53,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:04:53,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:04:53,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:04:53,274 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:04:53,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:04:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 2826 states, 2021 states have (on average 1.3918852053438893) internal successors, (2813), 2123 states have internal predecessors, (2813), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (679), 659 states have call predecessors, (679), 679 states have call successors, (679) [2021-11-13 18:04:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-13 18:04:53,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:04:53,435 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:04:53,436 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:04:53,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:04:53,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1194433487, now seen corresponding path program 1 times [2021-11-13 18:04:53,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:04:53,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863897658] [2021-11-13 18:04:53,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:04:53,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:04:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:04:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:04:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:04:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:04:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:04:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:04:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:04:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:04:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:04:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:04:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:04:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-13 18:04:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:04:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-13 18:04:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 18:04:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 18:04:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-13 18:04:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:04:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 18:04:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:04:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:04:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-13 18:04:55,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:04:55,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863897658] [2021-11-13 18:04:55,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863897658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:04:55,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:04:55,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:04:55,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698026141] [2021-11-13 18:04:55,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:04:55,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:04:55,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:04:55,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:04:55,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:04:55,435 INFO L87 Difference]: Start difference. First operand has 2826 states, 2021 states have (on average 1.3918852053438893) internal successors, (2813), 2123 states have internal predecessors, (2813), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (679), 659 states have call predecessors, (679), 679 states have call successors, (679) Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 2 states have internal predecessors, (118), 2 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 18:04:57,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:59,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:11,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:13,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:16,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:23,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:05:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:05:34,089 INFO L93 Difference]: Finished difference Result 7255 states and 11435 transitions. [2021-11-13 18:05:34,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:05:34,092 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 2 states have internal predecessors, (118), 2 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 222 [2021-11-13 18:05:34,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:05:34,197 INFO L225 Difference]: With dead ends: 7255 [2021-11-13 18:05:34,197 INFO L226 Difference]: Without dead ends: 4372 [2021-11-13 18:05:34,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2021-11-13 18:05:34,254 INFO L933 BasicCegarLoop]: 3895 mSDtfsCounter, 4849 mSDsluCounter, 6463 mSDsCounter, 0 mSdLazyCounter, 6496 mSolverCounterSat, 4068 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34165.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5273 SdHoareTripleChecker+Valid, 10358 SdHoareTripleChecker+Invalid, 10570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 224.13ms SdHoareTripleChecker+Time, 4068 IncrementalHoareTripleChecker+Valid, 6496 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37385.01ms IncrementalHoareTripleChecker+Time [2021-11-13 18:05:34,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5273 Valid, 10358 Invalid, 10570 Unknown, 0 Unchecked, 224.13ms Time], IncrementalHoareTripleChecker [4068 Valid, 6496 Invalid, 6 Unknown, 0 Unchecked, 37385.01ms Time] [2021-11-13 18:05:34,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4372 states. [2021-11-13 18:05:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4372 to 2767. [2021-11-13 18:05:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 1976 states have (on average 1.3775303643724697) internal successors, (2722), 2064 states have internal predecessors, (2722), 675 states have call successors, (675), 116 states have call predecessors, (675), 115 states have return successors, (674), 654 states have call predecessors, (674), 674 states have call successors, (674) [2021-11-13 18:05:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 4071 transitions. [2021-11-13 18:05:34,859 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 4071 transitions. Word has length 222 [2021-11-13 18:05:34,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:05:34,860 INFO L470 AbstractCegarLoop]: Abstraction has 2767 states and 4071 transitions. [2021-11-13 18:05:34,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 2 states have internal predecessors, (118), 2 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 18:05:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 4071 transitions. [2021-11-13 18:05:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-13 18:05:34,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:05:34,891 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:05:34,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:05:34,894 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:05:34,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:34,895 INFO L85 PathProgramCache]: Analyzing trace with hash 592141256, now seen corresponding path program 1 times [2021-11-13 18:05:34,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:34,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9202605] [2021-11-13 18:05:34,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:34,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:05:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:05:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:05:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:05:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:05:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:05:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:05:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:05:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:05:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:05:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:05:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-13 18:05:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:05:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-13 18:05:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-13 18:05:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:05:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:05:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:05:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 18:05:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:05:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-13 18:05:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-13 18:05:35,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:35,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9202605] [2021-11-13 18:05:35,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9202605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:35,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:35,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:05:35,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915234980] [2021-11-13 18:05:35,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:35,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:05:35,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:35,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:05:35,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:05:35,971 INFO L87 Difference]: Start difference. First operand 2767 states and 4071 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (29), 8 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 18:05:38,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:40,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:42,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:53,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:02,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:12,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:06:15,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:06:30,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:06:30,751 INFO L93 Difference]: Finished difference Result 11251 states and 17517 transitions. [2021-11-13 18:06:30,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 18:06:30,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (29), 8 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 221 [2021-11-13 18:06:30,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:06:30,875 INFO L225 Difference]: With dead ends: 11251 [2021-11-13 18:06:30,875 INFO L226 Difference]: Without dead ends: 8511 [2021-11-13 18:06:30,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2021-11-13 18:06:30,906 INFO L933 BasicCegarLoop]: 5081 mSDtfsCounter, 12921 mSDsluCounter, 9754 mSDsCounter, 0 mSdLazyCounter, 10294 mSolverCounterSat, 10500 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48145.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13716 SdHoareTripleChecker+Valid, 14835 SdHoareTripleChecker+Invalid, 20801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 249.61ms SdHoareTripleChecker+Time, 10500 IncrementalHoareTripleChecker+Valid, 10294 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52896.81ms IncrementalHoareTripleChecker+Time [2021-11-13 18:06:30,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13716 Valid, 14835 Invalid, 20801 Unknown, 0 Unchecked, 249.61ms Time], IncrementalHoareTripleChecker [10500 Valid, 10294 Invalid, 7 Unknown, 0 Unchecked, 52896.81ms Time] [2021-11-13 18:06:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8511 states. [2021-11-13 18:06:31,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8511 to 5578. [2021-11-13 18:06:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5578 states, 3992 states have (on average 1.376503006012024) internal successors, (5495), 4175 states have internal predecessors, (5495), 1354 states have call successors, (1354), 228 states have call predecessors, (1354), 231 states have return successors, (1368), 1316 states have call predecessors, (1368), 1353 states have call successors, (1368) [2021-11-13 18:06:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 8217 transitions. [2021-11-13 18:06:31,757 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 8217 transitions. Word has length 221 [2021-11-13 18:06:31,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:06:31,759 INFO L470 AbstractCegarLoop]: Abstraction has 5578 states and 8217 transitions. [2021-11-13 18:06:31,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (29), 8 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 18:06:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 8217 transitions. [2021-11-13 18:06:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-13 18:06:31,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:06:31,817 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:06:31,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:06:31,818 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:06:31,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:31,819 INFO L85 PathProgramCache]: Analyzing trace with hash -427902654, now seen corresponding path program 1 times [2021-11-13 18:06:31,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:31,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473801231] [2021-11-13 18:06:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:31,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:06:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:06:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:06:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:06:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:06:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:06:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:06:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:06:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:06:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:06:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:06:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:06:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:06:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:06:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:06:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:06:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:06:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-13 18:06:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:06:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 18:06:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:06:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:06:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-13 18:06:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:06:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:06:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 18:06:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:06:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-13 18:06:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-13 18:06:33,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:33,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473801231] [2021-11-13 18:06:33,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473801231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:33,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:33,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:06:33,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260453267] [2021-11-13 18:06:33,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:33,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:06:33,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:33,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:06:33,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:06:33,301 INFO L87 Difference]: Start difference. First operand 5578 states and 8217 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 18:06:35,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:44,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:51,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:06:59,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:07:07,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:07,086 INFO L93 Difference]: Finished difference Result 14052 states and 21992 transitions. [2021-11-13 18:07:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 18:07:07,087 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 282 [2021-11-13 18:07:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:07,182 INFO L225 Difference]: With dead ends: 14052 [2021-11-13 18:07:07,182 INFO L226 Difference]: Without dead ends: 8511 [2021-11-13 18:07:07,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-13 18:07:07,247 INFO L933 BasicCegarLoop]: 3774 mSDtfsCounter, 4254 mSDsluCounter, 8692 mSDsCounter, 0 mSdLazyCounter, 7516 mSolverCounterSat, 3043 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29852.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 12466 SdHoareTripleChecker+Invalid, 10563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 149.91ms SdHoareTripleChecker+Time, 3043 IncrementalHoareTripleChecker+Valid, 7516 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32694.16ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:07,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4676 Valid, 12466 Invalid, 10563 Unknown, 0 Unchecked, 149.91ms Time], IncrementalHoareTripleChecker [3043 Valid, 7516 Invalid, 4 Unknown, 0 Unchecked, 32694.16ms Time] [2021-11-13 18:07:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8511 states. [2021-11-13 18:07:07,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8511 to 5580. [2021-11-13 18:07:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5580 states, 3994 states have (on average 1.3763144717075613) internal successors, (5497), 4177 states have internal predecessors, (5497), 1354 states have call successors, (1354), 228 states have call predecessors, (1354), 231 states have return successors, (1368), 1316 states have call predecessors, (1368), 1353 states have call successors, (1368) [2021-11-13 18:07:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5580 states to 5580 states and 8219 transitions. [2021-11-13 18:07:07,971 INFO L78 Accepts]: Start accepts. Automaton has 5580 states and 8219 transitions. Word has length 282 [2021-11-13 18:07:07,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:07,976 INFO L470 AbstractCegarLoop]: Abstraction has 5580 states and 8219 transitions. [2021-11-13 18:07:07,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 18:07:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5580 states and 8219 transitions. [2021-11-13 18:07:08,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-13 18:07:08,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:08,029 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:07:08,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:07:08,030 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:08,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:08,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1271908156, now seen corresponding path program 1 times [2021-11-13 18:07:08,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:08,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634789501] [2021-11-13 18:07:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:08,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:07:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:07:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:07:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:07:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:07:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:07:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:07:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:07:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:07:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:07:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:07:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:07:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:07:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-13 18:07:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:07:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 18:07:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:07:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:07:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-13 18:07:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:07:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:07:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 18:07:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:07:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-13 18:07:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-13 18:07:10,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:10,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634789501] [2021-11-13 18:07:10,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634789501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:10,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:10,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:07:10,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338417980] [2021-11-13 18:07:10,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:10,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:07:10,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:10,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:07:10,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:07:10,121 INFO L87 Difference]: Start difference. First operand 5580 states and 8219 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 18:07:12,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:14,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:16,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:18,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:20,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:31,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:41,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:43,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:45,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:07:58,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:00,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:02,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:07,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:10,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:13,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:15,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:08:33,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:08:33,690 INFO L93 Difference]: Finished difference Result 17505 states and 27426 transitions. [2021-11-13 18:08:33,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:08:33,691 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 282 [2021-11-13 18:08:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:08:33,800 INFO L225 Difference]: With dead ends: 17505 [2021-11-13 18:08:33,800 INFO L226 Difference]: Without dead ends: 11962 [2021-11-13 18:08:33,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2021-11-13 18:08:33,843 INFO L933 BasicCegarLoop]: 4638 mSDtfsCounter, 13341 mSDsluCounter, 11461 mSDsCounter, 0 mSdLazyCounter, 14500 mSolverCounterSat, 10279 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74854.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14147 SdHoareTripleChecker+Valid, 16099 SdHoareTripleChecker+Invalid, 24795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 271.61ms SdHoareTripleChecker+Time, 10279 IncrementalHoareTripleChecker+Valid, 14500 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81623.48ms IncrementalHoareTripleChecker+Time [2021-11-13 18:08:33,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14147 Valid, 16099 Invalid, 24795 Unknown, 0 Unchecked, 271.61ms Time], IncrementalHoareTripleChecker [10279 Valid, 14500 Invalid, 16 Unknown, 0 Unchecked, 81623.48ms Time] [2021-11-13 18:08:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11962 states. [2021-11-13 18:08:34,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11962 to 7541. [2021-11-13 18:08:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7541 states, 5385 states have (on average 1.3727019498607242) internal successors, (7392), 5626 states have internal predecessors, (7392), 1828 states have call successors, (1828), 324 states have call predecessors, (1828), 327 states have return successors, (1845), 1779 states have call predecessors, (1845), 1827 states have call successors, (1845) [2021-11-13 18:08:34,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7541 states to 7541 states and 11065 transitions. [2021-11-13 18:08:34,807 INFO L78 Accepts]: Start accepts. Automaton has 7541 states and 11065 transitions. Word has length 282 [2021-11-13 18:08:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:08:34,809 INFO L470 AbstractCegarLoop]: Abstraction has 7541 states and 11065 transitions. [2021-11-13 18:08:34,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 18:08:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 7541 states and 11065 transitions. [2021-11-13 18:08:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-13 18:08:34,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:08:34,860 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:08:34,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:08:34,862 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:08:34,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:08:34,862 INFO L85 PathProgramCache]: Analyzing trace with hash -204954663, now seen corresponding path program 1 times [2021-11-13 18:08:34,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:08:34,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980422369] [2021-11-13 18:08:34,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:08:34,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:08:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:08:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:35,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:08:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:08:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:08:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:08:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:08:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:08:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:08:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:08:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:08:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:08:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:08:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:08:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-13 18:08:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:08:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:08:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:08:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:08:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-13 18:08:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:08:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-13 18:08:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-13 18:08:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:08:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-13 18:08:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:08:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-13 18:08:36,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:08:36,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980422369] [2021-11-13 18:08:36,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980422369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:08:36,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:08:36,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:08:36,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347863250] [2021-11-13 18:08:36,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:08:36,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:08:36,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:08:36,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:08:36,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:08:36,576 INFO L87 Difference]: Start difference. First operand 7541 states and 11065 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 18:08:38,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:40,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:42,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:45,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:08:58,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:00,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:09:15,127 INFO L93 Difference]: Finished difference Result 19712 states and 30806 transitions. [2021-11-13 18:09:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:09:15,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 283 [2021-11-13 18:09:15,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:09:15,215 INFO L225 Difference]: With dead ends: 19712 [2021-11-13 18:09:15,215 INFO L226 Difference]: Without dead ends: 12208 [2021-11-13 18:09:15,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-13 18:09:15,260 INFO L933 BasicCegarLoop]: 3691 mSDtfsCounter, 9853 mSDsluCounter, 5971 mSDsCounter, 0 mSdLazyCounter, 6468 mSolverCounterSat, 7241 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33709.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10257 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 13715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 135.61ms SdHoareTripleChecker+Time, 7241 IncrementalHoareTripleChecker+Valid, 6468 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36959.10ms IncrementalHoareTripleChecker+Time [2021-11-13 18:09:15,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10257 Valid, 9662 Invalid, 13715 Unknown, 0 Unchecked, 135.61ms Time], IncrementalHoareTripleChecker [7241 Valid, 6468 Invalid, 6 Unknown, 0 Unchecked, 36959.10ms Time] [2021-11-13 18:09:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12208 states. [2021-11-13 18:09:16,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12208 to 7541. [2021-11-13 18:09:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7541 states, 5385 states have (on average 1.3721448467966575) internal successors, (7389), 5626 states have internal predecessors, (7389), 1828 states have call successors, (1828), 324 states have call predecessors, (1828), 327 states have return successors, (1845), 1779 states have call predecessors, (1845), 1827 states have call successors, (1845) [2021-11-13 18:09:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7541 states to 7541 states and 11062 transitions. [2021-11-13 18:09:16,219 INFO L78 Accepts]: Start accepts. Automaton has 7541 states and 11062 transitions. Word has length 283 [2021-11-13 18:09:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:09:16,220 INFO L470 AbstractCegarLoop]: Abstraction has 7541 states and 11062 transitions. [2021-11-13 18:09:16,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 18:09:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7541 states and 11062 transitions. [2021-11-13 18:09:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-13 18:09:16,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:09:16,259 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:09:16,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:09:16,259 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:09:16,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:09:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash 35285083, now seen corresponding path program 1 times [2021-11-13 18:09:16,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:09:16,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165550931] [2021-11-13 18:09:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:09:16,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:09:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:09:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:09:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:09:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:09:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:09:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:09:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:09:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:09:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:09:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:09:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:09:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:09:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:09:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:09:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:09:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:09:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:09:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-13 18:09:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:09:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:09:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:09:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:09:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-13 18:09:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:09:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-13 18:09:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-13 18:09:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:09:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-13 18:09:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:09:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2021-11-13 18:09:18,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:09:18,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165550931] [2021-11-13 18:09:18,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165550931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:09:18,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:09:18,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-13 18:09:18,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051033745] [2021-11-13 18:09:18,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:09:18,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-13 18:09:18,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:09:18,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-13 18:09:18,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2021-11-13 18:09:18,927 INFO L87 Difference]: Start difference. First operand 7541 states and 11062 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 10 states have internal predecessors, (139), 6 states have call successors, (33), 10 states have call predecessors, (33), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2021-11-13 18:09:21,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:23,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:25,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:27,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:29,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:31,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:33,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:35,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:38,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:40,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:42,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:44,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:46,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:48,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:09:50,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:45,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:47,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:49,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:51,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:53,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:55,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:57,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:10:59,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:01,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:03,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:05,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:07,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:09,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:11:34,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:11:36,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:11:39,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:11:46,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:11:49,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:12:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:12:04,953 INFO L93 Difference]: Finished difference Result 22208 states and 34421 transitions. [2021-11-13 18:12:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-13 18:12:04,954 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 10 states have internal predecessors, (139), 6 states have call successors, (33), 10 states have call predecessors, (33), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) Word has length 283 [2021-11-13 18:12:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:12:05,046 INFO L225 Difference]: With dead ends: 22208 [2021-11-13 18:12:05,046 INFO L226 Difference]: Without dead ends: 14704 [2021-11-13 18:12:05,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=432, Invalid=2220, Unknown=0, NotChecked=0, Total=2652 [2021-11-13 18:12:05,080 INFO L933 BasicCegarLoop]: 4559 mSDtfsCounter, 8687 mSDsluCounter, 42664 mSDsCounter, 0 mSdLazyCounter, 52978 mSolverCounterSat, 9005 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 147984.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9122 SdHoareTripleChecker+Valid, 47223 SdHoareTripleChecker+Invalid, 62016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 577.68ms SdHoareTripleChecker+Time, 9005 IncrementalHoareTripleChecker+Valid, 52978 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161701.69ms IncrementalHoareTripleChecker+Time [2021-11-13 18:12:05,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9122 Valid, 47223 Invalid, 62016 Unknown, 0 Unchecked, 577.68ms Time], IncrementalHoareTripleChecker [9005 Valid, 52978 Invalid, 33 Unknown, 0 Unchecked, 161701.69ms Time] [2021-11-13 18:12:05,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14704 states. [2021-11-13 18:12:06,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14704 to 9783. [2021-11-13 18:12:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9783 states, 6962 states have (on average 1.3651249640907785) internal successors, (9504), 7307 states have internal predecessors, (9504), 2316 states have call successors, (2316), 466 states have call predecessors, (2316), 504 states have return successors, (2636), 2226 states have call predecessors, (2636), 2315 states have call successors, (2636) [2021-11-13 18:12:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9783 states to 9783 states and 14456 transitions. [2021-11-13 18:12:06,268 INFO L78 Accepts]: Start accepts. Automaton has 9783 states and 14456 transitions. Word has length 283 [2021-11-13 18:12:06,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:12:06,269 INFO L470 AbstractCegarLoop]: Abstraction has 9783 states and 14456 transitions. [2021-11-13 18:12:06,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 10 states have internal predecessors, (139), 6 states have call successors, (33), 10 states have call predecessors, (33), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2021-11-13 18:12:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 9783 states and 14456 transitions. [2021-11-13 18:12:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-13 18:12:06,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:12:06,314 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:12:06,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:12:06,314 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:12:06,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:12:06,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2120796420, now seen corresponding path program 1 times [2021-11-13 18:12:06,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:12:06,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389977867] [2021-11-13 18:12:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:12:06,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:12:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:12:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:12:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:12:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:12:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:12:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:12:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 18:12:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-13 18:12:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:12:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 18:12:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:12:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:12:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:12:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:12:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:12:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:12:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:12:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-13 18:12:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-13 18:12:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 18:12:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:12:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:12:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-13 18:12:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:12:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:12:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 18:12:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:12:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-13 18:12:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:12:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-11-13 18:12:08,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:12:08,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389977867] [2021-11-13 18:12:08,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389977867] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:12:08,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349632592] [2021-11-13 18:12:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:12:08,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:12:08,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:12:08,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:12:08,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e47d665-d858-4a3c-9ccc-13229fd35c73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process