./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/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_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:04:11,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:04:11,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:04:11,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:04:11,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:04:11,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:04:11,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:04:11,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:04:11,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:04:11,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:04:11,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:04:11,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:04:11,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:04:11,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:04:11,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:04:11,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:04:11,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:04:11,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:04:11,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:04:11,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:04:11,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:04:11,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:04:11,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:04:11,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:04:11,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:04:11,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:04:11,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:04:11,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:04:11,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:04:11,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:04:11,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:04:11,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:04:11,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:04:11,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:04:11,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:04:11,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:04:11,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:04:11,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:04:11,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:04:11,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:04:11,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:04:11,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:04:11,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:04:11,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:04:11,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:04:11,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:04:11,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:04:11,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:04:11,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:04:11,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:04:11,441 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:04:11,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:04:11,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:04:11,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:04:11,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:04:11,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:04:11,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:04:11,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:04:11,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:04:11,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:04:11,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:04:11,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:04:11,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:04:11,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:04:11,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:04:11,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:04:11,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:04:11,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:04:11,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:04:11,446 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:04:11,446 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:04:11,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:04:11,447 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_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71ae762d3463fef3e0ebb4d119521f12329b84181672b3d3c2019f1e21951d6d [2022-11-16 12:04:11,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:04:11,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:04:11,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:04:11,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:04:11,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:04:11,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/../../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 [2022-11-16 12:04:11,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/data/a7579398f/1b4dbaa0dc4e476f9afa60bf9149b1c5/FLAG7dd4b4aa2 [2022-11-16 12:04:12,844 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:04:12,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/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 [2022-11-16 12:04:12,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/data/a7579398f/1b4dbaa0dc4e476f9afa60bf9149b1c5/FLAG7dd4b4aa2 [2022-11-16 12:04:13,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/data/a7579398f/1b4dbaa0dc4e476f9afa60bf9149b1c5 [2022-11-16 12:04:13,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:04:13,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:04:13,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:04:13,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:04:13,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:04:13,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:13" (1/1) ... [2022-11-16 12:04:13,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15220dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:13, skipping insertion in model container [2022-11-16 12:04:13,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:13" (1/1) ... [2022-11-16 12:04:13,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:04:13,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:04:15,721 WARN L229 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_7de2d937-6697-4af9-8463-e4fcabdd8f1b/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] [2022-11-16 12:04:15,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:04:15,823 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:04:16,378 WARN L229 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_7de2d937-6697-4af9-8463-e4fcabdd8f1b/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] [2022-11-16 12:04:16,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:04:16,555 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:04:16,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16 WrapperNode [2022-11-16 12:04:16,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:04:16,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:04:16,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:04:16,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:04:16,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:16,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:16,985 INFO L138 Inliner]: procedures = 338, calls = 3359, calls flagged for inlining = 168, calls inlined = 162, statements flattened = 8146 [2022-11-16 12:04:16,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:04:16,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:04:16,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:04:16,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:04:16,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:16,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:04:17,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:04:17,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:04:17,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:04:17,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (1/1) ... [2022-11-16 12:04:17,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:04:17,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:17,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:17,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:04:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kmap_atomic [2022-11-16 12:04:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kmap_atomic [2022-11-16 12:04:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_dumpregs [2022-11-16 12:04:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_dumpregs [2022-11-16 12:04:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-16 12:04:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_needed [2022-11-16 12:04:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_needed [2022-11-16 12:04:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_preset_value [2022-11-16 12:04:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_preset_value [2022-11-16 12:04:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:04:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:04:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:04:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:04:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:04:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:04:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-16 12:04:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-16 12:04:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-16 12:04:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-16 12:04:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 12:04:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 12:04:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 12:04:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 12:04:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_irq_wakeups [2022-11-16 12:04:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_irq_wakeups [2022-11-16 12:04:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:04:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:04:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_execute_tuning [2022-11-16 12:04:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_execute_tuning [2022-11-16 12:04:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-16 12:04:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-16 12:04:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_hw_reset [2022-11-16 12:04:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_hw_reset [2022-11-16 12:04:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-16 12:04:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-16 12:04:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-16 12:04:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-16 12:04:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-16 12:04:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-16 12:04:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:04:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:04:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2022-11-16 12:04:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2022-11-16 12:04:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 12:04:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 12:04:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 12:04:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-16 12:04:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kunmap_atomic [2022-11-16 12:04:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kunmap_atomic [2022-11-16 12:04:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:04:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:04:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq [2022-11-16 12:04:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq [2022-11-16 12:04:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-16 12:04:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-16 12:04:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_thread_irq [2022-11-16 12:04:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_thread_irq [2022-11-16 12:04:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_remove_host [2022-11-16 12:04:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_remove_host [2022-11-16 12:04:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_4 [2022-11-16 12:04:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_4 [2022-11-16 12:04:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 12:04:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 12:04:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_check_ro [2022-11-16 12:04:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_check_ro [2022-11-16 12:04:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-16 12:04:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-16 12:04:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-16 12:04:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-16 12:04:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:04:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2022-11-16 12:04:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2022-11-16 12:04:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_preset_value [2022-11-16 12:04:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_preset_value [2022-11-16 12:04:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-16 12:04:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-16 12:04:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_disable_card_detection [2022-11-16 12:04:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_disable_card_detection [2022-11-16 12:04:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:04:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_prepare_data [2022-11-16 12:04:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_prepare_data [2022-11-16 12:04:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 12:04:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 12:04:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_request [2022-11-16 12:04:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_request [2022-11-16 12:04:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 12:04:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 12:04:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-16 12:04:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-16 12:04:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:04:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:04:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_set_voltage [2022-11-16 12:04:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_set_voltage [2022-11-16 12:04:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:04:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_pre_dma_transfer [2022-11-16 12:04:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_pre_dma_transfer [2022-11-16 12:04:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writeb [2022-11-16 12:04:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writeb [2022-11-16 12:04:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:04:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writel [2022-11-16 12:04:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writel [2022-11-16 12:04:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writew [2022-11-16 12:04:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writew [2022-11-16 12:04:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_reinit [2022-11-16 12:04:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_reinit [2022-11-16 12:04:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-16 12:04:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-16 12:04:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:04:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:04:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_timeout [2022-11-16 12:04:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_timeout [2022-11-16 12:04:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:04:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 12:04:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 12:04:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_card_detection [2022-11-16 12:04:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_card_detection [2022-11-16 12:04:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-16 12:04:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-16 12:04:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_timer_stop [2022-11-16 12:04:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_timer_stop [2022-11-16 12:04:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_card_detection [2022-11-16 12:04:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_card_detection [2022-11-16 12:04:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:04:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_irq [2022-11-16 12:04:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_irq [2022-11-16 12:04:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-16 12:04:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-16 12:04:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_get [2022-11-16 12:04:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_get [2022-11-16 12:04:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:04:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 12:04:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 12:04:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-16 12:04:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-16 12:04:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:04:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:04:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_resume_host [2022-11-16 12:04:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_resume_host [2022-11-16 12:04:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_5 [2022-11-16 12:04:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_5 [2022-11-16 12:04:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_4 [2022-11-16 12:04:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_4 [2022-11-16 12:04:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:04:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:04:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_cd [2022-11-16 12:04:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_cd [2022-11-16 12:04:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_4 [2022-11-16 12:04:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_4 [2022-11-16 12:04:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:04:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_put [2022-11-16 12:04:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_put [2022-11-16 12:04:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_regulator_set_ocr [2022-11-16 12:04:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_regulator_set_ocr [2022-11-16 12:04:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_data [2022-11-16 12:04:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_data [2022-11-16 12:04:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:04:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:04:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_set_ios [2022-11-16 12:04:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_set_ios [2022-11-16 12:04:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-16 12:04:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-16 12:04:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_event [2022-11-16 12:04:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_event [2022-11-16 12:04:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_start_signal_voltage_switch [2022-11-16 12:04:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_start_signal_voltage_switch [2022-11-16 12:04:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 12:04:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 12:04:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_busy [2022-11-16 12:04:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_busy [2022-11-16 12:04:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:04:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-16 12:04:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-16 12:04:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2022-11-16 12:04:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2022-11-16 12:04:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 12:04:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 12:04:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:04:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq_nolock [2022-11-16 12:04:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq_nolock [2022-11-16 12:04:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 12:04:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 12:04:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:04:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:04:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-11-16 12:04:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-11-16 12:04:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-16 12:04:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-16 12:04:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:04:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:04:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-16 12:04:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-16 12:04:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-16 12:04:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-16 12:04:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:04:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:04:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_ro [2022-11-16 12:04:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_ro [2022-11-16 12:04:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 12:04:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 12:04:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-16 12:04:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-16 12:04:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_send_command [2022-11-16 12:04:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_send_command [2022-11-16 12:04:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_ro [2022-11-16 12:04:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_ro [2022-11-16 12:04:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-16 12:04:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-16 12:04:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_cd [2022-11-16 12:04:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_cd [2022-11-16 12:04:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_ios [2022-11-16 12:04:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_ios [2022-11-16 12:04:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:04:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:04:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 12:04:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 12:04:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_is_supported_voltage [2022-11-16 12:04:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_is_supported_voltage [2022-11-16 12:04:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_resume_host [2022-11-16 12:04:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_resume_host [2022-11-16 12:04:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-16 12:04:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-16 12:04:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 12:04:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 12:04:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readb [2022-11-16 12:04:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readb [2022-11-16 12:04:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_bus_off [2022-11-16 12:04:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_bus_off [2022-11-16 12:04:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_init [2022-11-16 12:04:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_init [2022-11-16 12:04:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_add_host [2022-11-16 12:04:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_add_host [2022-11-16 12:04:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:04:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:04:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:04:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-11-16 12:04:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-11-16 12:04:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_reset [2022-11-16 12:04:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_reset [2022-11-16 12:04:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readw [2022-11-16 12:04:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readw [2022-11-16 12:04:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-11-16 12:04:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2022-11-16 12:04:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_command [2022-11-16 12:04:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_command [2022-11-16 12:04:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:04:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:04:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readl [2022-11-16 12:04:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readl [2022-11-16 12:04:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_adma_write_desc [2022-11-16 12:04:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_adma_write_desc [2022-11-16 12:04:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 12:04:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 12:04:19,026 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:04:19,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:04:20,179 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:04:29,497 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:04:29,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:04:29,518 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 12:04:29,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:29 BoogieIcfgContainer [2022-11-16 12:04:29,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:04:29,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:04:29,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:04:29,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:04:29,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:04:13" (1/3) ... [2022-11-16 12:04:29,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6173204b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:04:29, skipping insertion in model container [2022-11-16 12:04:29,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:16" (2/3) ... [2022-11-16 12:04:29,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6173204b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:04:29, skipping insertion in model container [2022-11-16 12:04:29,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:29" (3/3) ... [2022-11-16 12:04:29,533 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2022-11-16 12:04:29,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:04:29,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:04:29,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:04:29,662 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28c0584a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:04:29,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:04:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 2878 states, 2073 states have (on average 1.4071394114809455) internal successors, (2917), 2175 states have internal predecessors, (2917), 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) [2022-11-16 12:04:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-16 12:04:29,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:29,732 INFO L195 NwaCegarLoop]: 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] [2022-11-16 12:04:29,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:29,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:29,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2009514356, now seen corresponding path program 1 times [2022-11-16 12:04:29,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:29,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051235995] [2022-11-16 12:04:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:29,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:04:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:04:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:04:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:04:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:04:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:04:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:04:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:04:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:04:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:04:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 12:04:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:04:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-16 12:04:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:04:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:04:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-16 12:04:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 12:04:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 12:04:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-16 12:04:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-16 12:04:31,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:31,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051235995] [2022-11-16 12:04:31,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051235995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:31,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:31,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:04:31,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543482536] [2022-11-16 12:04:31,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:31,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:04:31,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:04:31,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:04:31,497 INFO L87 Difference]: Start difference. First operand has 2878 states, 2073 states have (on average 1.4071394114809455) internal successors, (2917), 2175 states have internal predecessors, (2917), 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 14.625) internal successors, (117), 2 states have internal predecessors, (117), 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) [2022-11-16 12:04:50,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:04:52,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:04:54,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:05:04,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:04,547 INFO L93 Difference]: Finished difference Result 7371 states and 11668 transitions. [2022-11-16 12:05:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:05:04,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 2 states have internal predecessors, (117), 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 221 [2022-11-16 12:05:04,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:04,616 INFO L225 Difference]: With dead ends: 7371 [2022-11-16 12:05:04,617 INFO L226 Difference]: Without dead ends: 4436 [2022-11-16 12:05:04,652 INFO L412 NwaCegarLoop]: 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 [2022-11-16 12:05:04,655 INFO L413 NwaCegarLoop]: 3213 mSDtfsCounter, 5845 mSDsluCounter, 7795 mSDsCounter, 0 mSdLazyCounter, 9157 mSolverCounterSat, 4960 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6265 SdHoareTripleChecker+Valid, 11008 SdHoareTripleChecker+Invalid, 14120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4960 IncrementalHoareTripleChecker+Valid, 9157 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:04,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6265 Valid, 11008 Invalid, 14120 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4960 Valid, 9157 Invalid, 3 Unknown, 0 Unchecked, 31.7s Time] [2022-11-16 12:05:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2022-11-16 12:05:05,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 2819. [2022-11-16 12:05:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2028 states have (on average 1.3890532544378698) internal successors, (2817), 2116 states have internal predecessors, (2817), 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) [2022-11-16 12:05:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 4166 transitions. [2022-11-16 12:05:05,176 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 4166 transitions. Word has length 221 [2022-11-16 12:05:05,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:05,177 INFO L495 AbstractCegarLoop]: Abstraction has 2819 states and 4166 transitions. [2022-11-16 12:05:05,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 2 states have internal predecessors, (117), 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) [2022-11-16 12:05:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 4166 transitions. [2022-11-16 12:05:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-16 12:05:05,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:05,199 INFO L195 NwaCegarLoop]: 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] [2022-11-16 12:05:05,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:05:05,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:05,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash -138091024, now seen corresponding path program 1 times [2022-11-16 12:05:05,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:05,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608367147] [2022-11-16 12:05:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:05:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:05:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:05:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:05:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:05:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:05:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:05:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:05:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:05:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:05:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:05:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 12:05:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:05:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-16 12:05:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:05:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:05:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-16 12:05:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:05:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 12:05:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 12:05:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-16 12:05:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-16 12:05:06,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:06,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608367147] [2022-11-16 12:05:06,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608367147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:06,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:06,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:05:06,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442161710] [2022-11-16 12:05:06,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:06,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:05:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:05:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:05:06,203 INFO L87 Difference]: Start difference. First operand 2819 states and 4166 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) [2022-11-16 12:05:40,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:05:42,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:06:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:06:08,836 INFO L93 Difference]: Finished difference Result 11442 states and 17850 transitions. [2022-11-16 12:06:08,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 12:06:08,839 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 [2022-11-16 12:06:08,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:06:08,898 INFO L225 Difference]: With dead ends: 11442 [2022-11-16 12:06:08,899 INFO L226 Difference]: Without dead ends: 8650 [2022-11-16 12:06:08,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:06:08,939 INFO L413 NwaCegarLoop]: 4103 mSDtfsCounter, 10229 mSDsluCounter, 12617 mSDsCounter, 0 mSdLazyCounter, 18378 mSolverCounterSat, 4938 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11023 SdHoareTripleChecker+Valid, 16720 SdHoareTripleChecker+Invalid, 23318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4938 IncrementalHoareTripleChecker+Valid, 18378 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:06:08,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11023 Valid, 16720 Invalid, 23318 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4938 Valid, 18378 Invalid, 2 Unknown, 0 Unchecked, 60.7s Time] [2022-11-16 12:06:08,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8650 states. [2022-11-16 12:06:09,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8650 to 5417. [2022-11-16 12:06:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5417 states, 3902 states have (on average 1.3867247565351102) internal successors, (5411), 4072 states have internal predecessors, (5411), 1287 states have call successors, (1287), 228 states have call predecessors, (1287), 227 states have return successors, (1286), 1248 states have call predecessors, (1286), 1286 states have call successors, (1286) [2022-11-16 12:06:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 7984 transitions. [2022-11-16 12:06:09,641 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 7984 transitions. Word has length 221 [2022-11-16 12:06:09,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:06:09,645 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 7984 transitions. [2022-11-16 12:06:09,645 INFO L496 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) [2022-11-16 12:06:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 7984 transitions. [2022-11-16 12:06:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-16 12:06:09,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:06:09,733 INFO L195 NwaCegarLoop]: 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] [2022-11-16 12:06:09,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:06:09,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:06:09,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:06:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash 170449894, now seen corresponding path program 1 times [2022-11-16 12:06:09,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:06:09,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801652384] [2022-11-16 12:06:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:06:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:06:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:06:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:06:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:06:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:06:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:06:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:06:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:06:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:06:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:06:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:06:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 12:06:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 12:06:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 12:06:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 12:06:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 12:06:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 12:06:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-16 12:06:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 12:06:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:06:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:06:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-16 12:06:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:06:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-16 12:06:11,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:06:11,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801652384] [2022-11-16 12:06:11,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801652384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:06:11,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:06:11,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:06:11,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790441989] [2022-11-16 12:06:11,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:06:11,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:06:11,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:06:11,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:06:11,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:06:11,478 INFO L87 Difference]: Start difference. First operand 5417 states and 7984 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) [2022-11-16 12:06:32,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:06:34,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:06:42,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:06:42,214 INFO L93 Difference]: Finished difference Result 14026 states and 21980 transitions. [2022-11-16 12:06:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:06:42,215 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 [2022-11-16 12:06:42,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:06:42,269 INFO L225 Difference]: With dead ends: 14026 [2022-11-16 12:06:42,270 INFO L226 Difference]: Without dead ends: 8646 [2022-11-16 12:06:42,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-16 12:06:42,311 INFO L413 NwaCegarLoop]: 3082 mSDtfsCounter, 10236 mSDsluCounter, 7448 mSDsCounter, 0 mSdLazyCounter, 9074 mSolverCounterSat, 6954 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10649 SdHoareTripleChecker+Valid, 10530 SdHoareTripleChecker+Invalid, 16030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6954 IncrementalHoareTripleChecker+Valid, 9074 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:06:42,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10649 Valid, 10530 Invalid, 16030 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6954 Valid, 9074 Invalid, 2 Unknown, 0 Unchecked, 29.1s Time] [2022-11-16 12:06:42,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8646 states. [2022-11-16 12:06:43,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8646 to 5417. [2022-11-16 12:06:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5417 states, 3902 states have (on average 1.3862121988723732) internal successors, (5409), 4072 states have internal predecessors, (5409), 1287 states have call successors, (1287), 228 states have call predecessors, (1287), 227 states have return successors, (1286), 1248 states have call predecessors, (1286), 1286 states have call successors, (1286) [2022-11-16 12:06:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 7982 transitions. [2022-11-16 12:06:43,180 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 7982 transitions. Word has length 283 [2022-11-16 12:06:43,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:06:43,185 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 7982 transitions. [2022-11-16 12:06:43,187 INFO L496 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) [2022-11-16 12:06:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 7982 transitions. [2022-11-16 12:06:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-16 12:06:43,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:06:43,221 INFO L195 NwaCegarLoop]: 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] [2022-11-16 12:06:43,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:06:43,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:06:43,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:06:43,222 INFO L85 PathProgramCache]: Analyzing trace with hash -753507713, now seen corresponding path program 1 times [2022-11-16 12:06:43,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:06:43,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871278326] [2022-11-16 12:06:43,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:06:43,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:06:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:06:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:06:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:06:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:06:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:06:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:06:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:06:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:06:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:06:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:06:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 12:06:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 12:06:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 12:06:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 12:06:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-16 12:06:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 12:06:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:06:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 12:06:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:06:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 12:06:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:06:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-16 12:06:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-16 12:06:44,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:06:44,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871278326] [2022-11-16 12:06:44,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871278326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:06:44,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:06:44,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:06:44,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500800944] [2022-11-16 12:06:44,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:06:44,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:06:44,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:06:44,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:06:44,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:06:44,901 INFO L87 Difference]: Start difference. First operand 5417 states and 7982 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) [2022-11-16 12:07:04,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:07:06,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:07:13,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:07:13,609 INFO L93 Difference]: Finished difference Result 14026 states and 21976 transitions. [2022-11-16 12:07:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:07:13,610 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 [2022-11-16 12:07:13,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:07:13,662 INFO L225 Difference]: With dead ends: 14026 [2022-11-16 12:07:13,663 INFO L226 Difference]: Without dead ends: 8646 [2022-11-16 12:07:13,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-16 12:07:13,691 INFO L413 NwaCegarLoop]: 3087 mSDtfsCounter, 11112 mSDsluCounter, 6081 mSDsCounter, 0 mSdLazyCounter, 7259 mSolverCounterSat, 8149 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11523 SdHoareTripleChecker+Valid, 9168 SdHoareTripleChecker+Invalid, 15410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8149 IncrementalHoareTripleChecker+Valid, 7259 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:07:13,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11523 Valid, 9168 Invalid, 15410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8149 Valid, 7259 Invalid, 2 Unknown, 0 Unchecked, 27.0s Time] [2022-11-16 12:07:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8646 states. [2022-11-16 12:07:14,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8646 to 5417. [2022-11-16 12:07:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5417 states, 3902 states have (on average 1.385699641209636) internal successors, (5407), 4072 states have internal predecessors, (5407), 1287 states have call successors, (1287), 228 states have call predecessors, (1287), 227 states have return successors, (1286), 1248 states have call predecessors, (1286), 1286 states have call successors, (1286) [2022-11-16 12:07:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 7980 transitions. [2022-11-16 12:07:14,572 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 7980 transitions. Word has length 282 [2022-11-16 12:07:14,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:07:14,574 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 7980 transitions. [2022-11-16 12:07:14,574 INFO L496 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) [2022-11-16 12:07:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 7980 transitions. [2022-11-16 12:07:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-16 12:07:14,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:07:14,600 INFO L195 NwaCegarLoop]: 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] [2022-11-16 12:07:14,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:07:14,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:07:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:07:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash -731812826, now seen corresponding path program 1 times [2022-11-16 12:07:14,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:07:14,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930202688] [2022-11-16 12:07:14,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:07:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:07:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:07:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:20,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:07:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:07:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:07:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:07:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:07:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:07:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:07:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:07:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:07:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:07:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:07:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:07:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 12:07:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:07:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 12:07:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:07:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 12:07:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 12:07:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 12:07:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 12:07:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-16 12:07:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 12:07:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:07:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:07:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-16 12:07:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:07:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-16 12:07:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-16 12:07:22,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:07:22,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930202688] [2022-11-16 12:07:22,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930202688] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:07:22,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362245766] [2022-11-16 12:07:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:07:22,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:07:22,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:07:22,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:07:22,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:07:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:23,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 4986 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 12:07:23,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:07:24,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-16 12:07:26,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 12:07:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-16 12:07:26,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:07:26,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362245766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:07:26,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:07:26,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [32] total 48 [2022-11-16 12:07:26,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936291091] [2022-11-16 12:07:26,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:07:26,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 12:07:26,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:07:26,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 12:07:26,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2122, Unknown=0, NotChecked=0, Total=2256 [2022-11-16 12:07:26,543 INFO L87 Difference]: Start difference. First operand 5417 states and 7980 transitions. Second operand has 18 states, 16 states have (on average 8.9375) internal successors, (143), 12 states have internal predecessors, (143), 7 states have call successors, (34), 5 states have call predecessors, (34), 6 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) [2022-11-16 12:08:07,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:08:13,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:08:13,596 INFO L93 Difference]: Finished difference Result 16228 states and 23871 transitions. [2022-11-16 12:08:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 12:08:13,597 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 8.9375) internal successors, (143), 12 states have internal predecessors, (143), 7 states have call successors, (34), 5 states have call predecessors, (34), 6 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) Word has length 283 [2022-11-16 12:08:13,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:08:13,669 INFO L225 Difference]: With dead ends: 16228 [2022-11-16 12:08:13,669 INFO L226 Difference]: Without dead ends: 10848 [2022-11-16 12:08:13,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 325 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=254, Invalid=3652, Unknown=0, NotChecked=0, Total=3906 [2022-11-16 12:08:13,696 INFO L413 NwaCegarLoop]: 6170 mSDtfsCounter, 5953 mSDsluCounter, 53888 mSDsCounter, 0 mSdLazyCounter, 28632 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5972 SdHoareTripleChecker+Valid, 60058 SdHoareTripleChecker+Invalid, 35670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 28632 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 6999 IncrementalHoareTripleChecker+Unchecked, 44.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:08:13,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5972 Valid, 60058 Invalid, 35670 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [38 Valid, 28632 Invalid, 1 Unknown, 6999 Unchecked, 44.0s Time] [2022-11-16 12:08:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10848 states. [2022-11-16 12:08:15,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10848 to 10777. [2022-11-16 12:08:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10777 states, 7706 states have (on average 1.377887360498313) internal successors, (10618), 8052 states have internal predecessors, (10618), 2548 states have call successors, (2548), 542 states have call predecessors, (2548), 522 states have return successors, (2671), 2414 states have call predecessors, (2671), 2547 states have call successors, (2671) [2022-11-16 12:08:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10777 states to 10777 states and 15837 transitions. [2022-11-16 12:08:15,265 INFO L78 Accepts]: Start accepts. Automaton has 10777 states and 15837 transitions. Word has length 283 [2022-11-16 12:08:15,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:08:15,265 INFO L495 AbstractCegarLoop]: Abstraction has 10777 states and 15837 transitions. [2022-11-16 12:08:15,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 8.9375) internal successors, (143), 12 states have internal predecessors, (143), 7 states have call successors, (34), 5 states have call predecessors, (34), 6 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) [2022-11-16 12:08:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 10777 states and 15837 transitions. [2022-11-16 12:08:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-16 12:08:15,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:08:15,320 INFO L195 NwaCegarLoop]: 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] [2022-11-16 12:08:15,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:08:15,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:08:15,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:08:15,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:08:15,539 INFO L85 PathProgramCache]: Analyzing trace with hash -513267967, now seen corresponding path program 1 times [2022-11-16 12:08:15,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:08:15,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370135453] [2022-11-16 12:08:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:08:15,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:08:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:08:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:08:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:08:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:08:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:08:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:08:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:08:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:08:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:08:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:08:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:08:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:08:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:08:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 12:08:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:08:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 12:08:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:08:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 12:08:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 12:08:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-16 12:08:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 12:08:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:08:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 12:08:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:08:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 12:08:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 12:08:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:08:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-16 12:08:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-16 12:08:22,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:08:22,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370135453] [2022-11-16 12:08:22,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370135453] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:08:22,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486459672] [2022-11-16 12:08:22,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:08:22,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:08:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:08:22,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:08:22,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de2d937-6697-4af9-8463-e4fcabdd8f1b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:08:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:24,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 4981 conjuncts, 136 conjunts are in the unsatisfiable core [2022-11-16 12:08:24,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:08:24,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 12:08:24,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-16 12:08:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:08:27,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-16 12:08:27,451 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 12:08:27,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 12:09:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-16 12:09:46,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:09:48,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486459672] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:09:48,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:09:48,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 58 [2022-11-16 12:09:48,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315378610] [2022-11-16 12:09:48,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:09:48,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-11-16 12:09:48,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:09:48,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-11-16 12:09:48,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=3976, Unknown=45, NotChecked=0, Total=4290 [2022-11-16 12:09:48,046 INFO L87 Difference]: Start difference. First operand 10777 states and 15837 transitions. Second operand has 58 states, 54 states have (on average 4.87037037037037) internal successors, (263), 36 states have internal predecessors, (263), 25 states have call successors, (68), 23 states have call predecessors, (68), 14 states have return successors, (57), 20 states have call predecessors, (57), 19 states have call successors, (57)