./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 8393723b 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_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/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_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 19:34:51,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:34:51,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:34:51,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:34:51,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:34:51,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:34:51,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:34:51,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:34:51,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:34:51,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:34:51,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:34:51,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:34:51,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:34:51,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:34:51,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:34:51,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:34:51,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:34:51,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:34:51,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:34:51,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:34:51,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:34:51,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:34:51,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:34:51,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:34:51,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:34:51,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:34:51,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:34:51,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:34:51,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:34:51,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:34:51,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:34:51,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:34:51,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:34:51,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:34:51,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:34:51,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:34:51,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:34:51,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:34:51,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:34:51,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:34:51,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:34:51,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:34:51,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:34:51,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:34:51,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:34:51,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:34:51,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:34:51,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:34:51,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:34:51,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:34:51,632 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:34:51,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:34:51,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:34:51,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:34:51,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:34:51,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:34:51,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:34:51,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:34:51,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:34:51,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:34:51,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:34:51,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:34:51,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:34:51,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:34:51,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:34:51,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:34:51,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:34:51,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:34:51,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:34:51,639 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:34:51,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:34:51,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:34:51,640 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_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71ae762d3463fef3e0ebb4d119521f12329b84181672b3d3c2019f1e21951d6d [2022-11-18 19:34:52,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:34:52,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:34:52,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:34:52,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:34:52,110 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:34:52,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 19:34:52,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/data/f88193f27/04f638f0c5124a328ebecfbc5c3dba2f/FLAG33a4b70f7 [2022-11-18 19:34:53,446 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:34:53,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/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 [2022-11-18 19:34:53,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/data/f88193f27/04f638f0c5124a328ebecfbc5c3dba2f/FLAG33a4b70f7 [2022-11-18 19:34:53,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/data/f88193f27/04f638f0c5124a328ebecfbc5c3dba2f [2022-11-18 19:34:53,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:34:53,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:34:53,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:53,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:34:53,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:34:53,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:53" (1/1) ... [2022-11-18 19:34:53,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f448ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:53, skipping insertion in model container [2022-11-18 19:34:53,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:53" (1/1) ... [2022-11-18 19:34:53,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:34:53,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:34:56,842 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/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] [2022-11-18 19:34:56,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:57,008 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:34:57,966 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/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] [2022-11-18 19:34:57,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:58,201 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:34:58,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58 WrapperNode [2022-11-18 19:34:58,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:58,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:34:58,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:34:58,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:34:58,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:58,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:58,782 INFO L138 Inliner]: procedures = 338, calls = 3359, calls flagged for inlining = 168, calls inlined = 162, statements flattened = 8146 [2022-11-18 19:34:58,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:34:58,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:34:58,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:34:58,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:34:58,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:58,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:58,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:58,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:59,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:59,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:59,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:59,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:59,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:34:59,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:34:59,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:34:59,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:34:59,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (1/1) ... [2022-11-18 19:34:59,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:34:59,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:59,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:59,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:34:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kmap_atomic [2022-11-18 19:34:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kmap_atomic [2022-11-18 19:34:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_dumpregs [2022-11-18 19:34:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_dumpregs [2022-11-18 19:34:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-18 19:34:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_needed [2022-11-18 19:34:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_needed [2022-11-18 19:34:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_preset_value [2022-11-18 19:34:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_preset_value [2022-11-18 19:34:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:34:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:34:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:34:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:34:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:34:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:34:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-18 19:34:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-18 19:34:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-18 19:34:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-18 19:34:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 19:34:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 19:34:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 19:34:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 19:34:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_irq_wakeups [2022-11-18 19:34:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_irq_wakeups [2022-11-18 19:34:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:34:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:34:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_execute_tuning [2022-11-18 19:34:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_execute_tuning [2022-11-18 19:34:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 19:34:59,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 19:34:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_hw_reset [2022-11-18 19:34:59,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_hw_reset [2022-11-18 19:34:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 19:34:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 19:34:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-18 19:34:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-18 19:34:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-18 19:34:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-18 19:34:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:34:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:34:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2022-11-18 19:34:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2022-11-18 19:34:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 19:34:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 19:34:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 19:34:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 19:34:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kunmap_atomic [2022-11-18 19:34:59,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kunmap_atomic [2022-11-18 19:34:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:34:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:34:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq [2022-11-18 19:34:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq [2022-11-18 19:34:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 19:34:59,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 19:34:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_thread_irq [2022-11-18 19:34:59,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_thread_irq [2022-11-18 19:34:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_remove_host [2022-11-18 19:34:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_remove_host [2022-11-18 19:34:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_4 [2022-11-18 19:34:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_4 [2022-11-18 19:34:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:34:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:34:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_check_ro [2022-11-18 19:34:59,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_check_ro [2022-11-18 19:34:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-18 19:34:59,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-18 19:34:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-18 19:34:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-18 19:34:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:34:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2022-11-18 19:34:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2022-11-18 19:34:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_preset_value [2022-11-18 19:34:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_preset_value [2022-11-18 19:34:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-18 19:34:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-18 19:34:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_disable_card_detection [2022-11-18 19:34:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_disable_card_detection [2022-11-18 19:34:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:34:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_prepare_data [2022-11-18 19:34:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_prepare_data [2022-11-18 19:34:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 19:34:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 19:34:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_request [2022-11-18 19:34:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_request [2022-11-18 19:34:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:34:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:34:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-18 19:34:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-18 19:34:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:34:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:34:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_set_voltage [2022-11-18 19:34:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_set_voltage [2022-11-18 19:34:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:34:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_pre_dma_transfer [2022-11-18 19:34:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_pre_dma_transfer [2022-11-18 19:34:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writeb [2022-11-18 19:34:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writeb [2022-11-18 19:34:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:34:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writel [2022-11-18 19:34:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writel [2022-11-18 19:34:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writew [2022-11-18 19:34:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writew [2022-11-18 19:34:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_reinit [2022-11-18 19:34:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_reinit [2022-11-18 19:34:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-18 19:34:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-18 19:34:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:34:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:34:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_timeout [2022-11-18 19:34:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_timeout [2022-11-18 19:34:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:34:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 19:34:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 19:34:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_card_detection [2022-11-18 19:34:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_card_detection [2022-11-18 19:34:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-18 19:34:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-18 19:34:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_timer_stop [2022-11-18 19:34:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_timer_stop [2022-11-18 19:34:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_card_detection [2022-11-18 19:34:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_card_detection [2022-11-18 19:34:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:34:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_irq [2022-11-18 19:34:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_irq [2022-11-18 19:34:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 19:34:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 19:34:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_get [2022-11-18 19:34:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_get [2022-11-18 19:34:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:34:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 19:34:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 19:34:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-18 19:34:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-18 19:34:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:34:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:34:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_resume_host [2022-11-18 19:34:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_resume_host [2022-11-18 19:34:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_5 [2022-11-18 19:34:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_5 [2022-11-18 19:34:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_4 [2022-11-18 19:34:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_4 [2022-11-18 19:34:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:34:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:34:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_cd [2022-11-18 19:34:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_cd [2022-11-18 19:34:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_4 [2022-11-18 19:34:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_4 [2022-11-18 19:34:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:34:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_put [2022-11-18 19:34:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_put [2022-11-18 19:34:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_regulator_set_ocr [2022-11-18 19:34:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_regulator_set_ocr [2022-11-18 19:34:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_data [2022-11-18 19:34:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_data [2022-11-18 19:34:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:34:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:34:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_set_ios [2022-11-18 19:34:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_set_ios [2022-11-18 19:34:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-18 19:34:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-18 19:34:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_event [2022-11-18 19:34:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_event [2022-11-18 19:34:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_start_signal_voltage_switch [2022-11-18 19:34:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_start_signal_voltage_switch [2022-11-18 19:34:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 19:34:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 19:34:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_busy [2022-11-18 19:34:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_busy [2022-11-18 19:34:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:34:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-18 19:34:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-18 19:34:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2022-11-18 19:34:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2022-11-18 19:34:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 19:34:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 19:34:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:34:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq_nolock [2022-11-18 19:34:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq_nolock [2022-11-18 19:34:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 19:34:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 19:34:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:34:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 19:34:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-11-18 19:34:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-11-18 19:34:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 19:34:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 19:34:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:34:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:34:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-18 19:34:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-18 19:34:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-18 19:34:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-18 19:34:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:34:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:34:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_ro [2022-11-18 19:34:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_ro [2022-11-18 19:34:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 19:34:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 19:34:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-18 19:34:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-18 19:34:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_send_command [2022-11-18 19:34:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_send_command [2022-11-18 19:34:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_ro [2022-11-18 19:34:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_ro [2022-11-18 19:34:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-18 19:34:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-18 19:34:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_cd [2022-11-18 19:34:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_cd [2022-11-18 19:34:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_ios [2022-11-18 19:34:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_ios [2022-11-18 19:34:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 19:34:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 19:34:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 19:34:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 19:34:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_is_supported_voltage [2022-11-18 19:34:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_is_supported_voltage [2022-11-18 19:34:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_resume_host [2022-11-18 19:34:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_resume_host [2022-11-18 19:34:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 19:34:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 19:34:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 19:34:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 19:34:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readb [2022-11-18 19:34:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readb [2022-11-18 19:34:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_bus_off [2022-11-18 19:34:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_bus_off [2022-11-18 19:34:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_init [2022-11-18 19:34:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_init [2022-11-18 19:34:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_add_host [2022-11-18 19:34:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_add_host [2022-11-18 19:34:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:34:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 19:34:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 19:34:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-11-18 19:34:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-11-18 19:34:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_reset [2022-11-18 19:34:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_reset [2022-11-18 19:34:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readw [2022-11-18 19:34:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readw [2022-11-18 19:34:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-11-18 19:34:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2022-11-18 19:34:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_command [2022-11-18 19:34:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_command [2022-11-18 19:34:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:34:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:34:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readl [2022-11-18 19:34:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readl [2022-11-18 19:34:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_adma_write_desc [2022-11-18 19:34:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_adma_write_desc [2022-11-18 19:34:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 19:34:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 19:35:00,909 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:35:00,917 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:35:02,196 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:35:13,778 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:35:13,822 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:35:13,823 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:35:13,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:13 BoogieIcfgContainer [2022-11-18 19:35:13,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:35:13,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:35:13,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:35:13,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:35:13,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:34:53" (1/3) ... [2022-11-18 19:35:13,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746b4c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:35:13, skipping insertion in model container [2022-11-18 19:35:13,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:58" (2/3) ... [2022-11-18 19:35:13,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746b4c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:35:13, skipping insertion in model container [2022-11-18 19:35:13,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:35:13" (3/3) ... [2022-11-18 19:35:13,847 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2022-11-18 19:35:13,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:35:13,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:35:14,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:35:14,052 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;@6aa06340, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:35:14,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:35:14,073 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) [2022-11-18 19:35:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-18 19:35:14,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:35:14,189 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] [2022-11-18 19:35:14,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:35:14,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:35:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2009514356, now seen corresponding path program 1 times [2022-11-18 19:35:14,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:35:14,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824283279] [2022-11-18 19:35:14,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:35:14,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:35:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:35:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:35:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:35:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:35:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:35:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:35:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:35:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:35:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:35:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:35:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:35:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:35:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 19:35:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:35:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:35:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:35:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:35:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:35:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:35:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:35:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 19:35:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-18 19:35:16,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:35:16,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824283279] [2022-11-18 19:35:16,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824283279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:35:16,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:35:16,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:35:16,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440789054] [2022-11-18 19:35:16,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:35:16,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:35:16,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:35:16,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:35:16,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:35:16,520 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) [2022-11-18 19:35:37,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:35:39,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:35:41,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:35:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:35:53,008 INFO L93 Difference]: Finished difference Result 7371 states and 11668 transitions. [2022-11-18 19:35:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:35:53,014 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 [2022-11-18 19:35:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:35:53,079 INFO L225 Difference]: With dead ends: 7371 [2022-11-18 19:35:53,079 INFO L226 Difference]: Without dead ends: 4436 [2022-11-18 19:35:53,111 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 [2022-11-18 19:35:53,116 INFO L413 NwaCegarLoop]: 3218 mSDtfsCounter, 5847 mSDsluCounter, 7803 mSDsCounter, 0 mSdLazyCounter, 9160 mSolverCounterSat, 4965 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6269 SdHoareTripleChecker+Valid, 11021 SdHoareTripleChecker+Invalid, 14128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4965 IncrementalHoareTripleChecker+Valid, 9160 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:35:53,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6269 Valid, 11021 Invalid, 14128 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4965 Valid, 9160 Invalid, 3 Unknown, 0 Unchecked, 35.0s Time] [2022-11-18 19:35:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2022-11-18 19:35:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 2819. [2022-11-18 19:35:53,671 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) [2022-11-18 19:35:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 4166 transitions. [2022-11-18 19:35:53,707 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 4166 transitions. Word has length 221 [2022-11-18 19:35:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:35:53,708 INFO L495 AbstractCegarLoop]: Abstraction has 2819 states and 4166 transitions. [2022-11-18 19:35:53,708 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) [2022-11-18 19:35:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 4166 transitions. [2022-11-18 19:35:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-18 19:35:53,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:35:53,745 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] [2022-11-18 19:35:53,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:35:53,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:35:53,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:35:53,747 INFO L85 PathProgramCache]: Analyzing trace with hash -138091024, now seen corresponding path program 1 times [2022-11-18 19:35:53,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:35:53,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312074280] [2022-11-18 19:35:53,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:35:53,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:35:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:35:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:35:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:35:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:35:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:35:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:35:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:35:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:35:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:35:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:35:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:35:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:35:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 19:35:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 19:35:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:35:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:35:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:35:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:35:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:35:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:35:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:35:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 19:35:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:35:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-18 19:35:54,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:35:54,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312074280] [2022-11-18 19:35:54,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312074280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:35:54,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:35:54,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:35:54,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322405546] [2022-11-18 19:35:54,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:35:54,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:35:54,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:35:54,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:35:54,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:35:54,699 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) [2022-11-18 19:36:31,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:36:33,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:37:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:37:00,186 INFO L93 Difference]: Finished difference Result 11442 states and 17850 transitions. [2022-11-18 19:37:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 19:37:00,187 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 [2022-11-18 19:37:00,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:37:00,270 INFO L225 Difference]: With dead ends: 11442 [2022-11-18 19:37:00,270 INFO L226 Difference]: Without dead ends: 8650 [2022-11-18 19:37:00,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:37:00,292 INFO L413 NwaCegarLoop]: 4114 mSDtfsCounter, 10210 mSDsluCounter, 12701 mSDsCounter, 0 mSdLazyCounter, 18344 mSolverCounterSat, 4934 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11012 SdHoareTripleChecker+Valid, 16815 SdHoareTripleChecker+Invalid, 23280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4934 IncrementalHoareTripleChecker+Valid, 18344 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:37:00,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11012 Valid, 16815 Invalid, 23280 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4934 Valid, 18344 Invalid, 2 Unknown, 0 Unchecked, 63.4s Time] [2022-11-18 19:37:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8650 states. [2022-11-18 19:37:01,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8650 to 5417. [2022-11-18 19:37:01,074 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) [2022-11-18 19:37:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 7984 transitions. [2022-11-18 19:37:01,111 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 7984 transitions. Word has length 221 [2022-11-18 19:37:01,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:37:01,113 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 7984 transitions. [2022-11-18 19:37:01,113 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) [2022-11-18 19:37:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 7984 transitions. [2022-11-18 19:37:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-18 19:37:01,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:37:01,150 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] [2022-11-18 19:37:01,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:37:01,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:37:01,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:01,152 INFO L85 PathProgramCache]: Analyzing trace with hash 170449894, now seen corresponding path program 1 times [2022-11-18 19:37:01,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:01,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749055670] [2022-11-18 19:37:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:37:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:37:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:37:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:37:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:37:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:37:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:37:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:37:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:37:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 19:37:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 19:37:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 19:37:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:37:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:37:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 19:37:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:37:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 19:37:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 19:37:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:37:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 19:37:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-18 19:37:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-18 19:37:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-18 19:37:03,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:03,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749055670] [2022-11-18 19:37:03,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749055670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:03,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:03,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:37:03,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896468202] [2022-11-18 19:37:03,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:03,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:37:03,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:03,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:37:03,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:37:03,043 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) [2022-11-18 19:37:25,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:37:27,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:37:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:37:35,564 INFO L93 Difference]: Finished difference Result 14026 states and 21980 transitions. [2022-11-18 19:37:35,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:37:35,565 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 [2022-11-18 19:37:35,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:37:35,622 INFO L225 Difference]: With dead ends: 14026 [2022-11-18 19:37:35,622 INFO L226 Difference]: Without dead ends: 8646 [2022-11-18 19:37:35,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:37:35,658 INFO L413 NwaCegarLoop]: 3083 mSDtfsCounter, 10240 mSDsluCounter, 7450 mSDsCounter, 0 mSdLazyCounter, 9133 mSolverCounterSat, 6954 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10650 SdHoareTripleChecker+Valid, 10533 SdHoareTripleChecker+Invalid, 16089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6954 IncrementalHoareTripleChecker+Valid, 9133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:37:35,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10650 Valid, 10533 Invalid, 16089 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6954 Valid, 9133 Invalid, 2 Unknown, 0 Unchecked, 30.8s Time] [2022-11-18 19:37:35,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8646 states. [2022-11-18 19:37:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8646 to 5417. [2022-11-18 19:37:36,454 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) [2022-11-18 19:37:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 7982 transitions. [2022-11-18 19:37:36,492 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 7982 transitions. Word has length 283 [2022-11-18 19:37:36,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:37:36,497 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 7982 transitions. [2022-11-18 19:37:36,498 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) [2022-11-18 19:37:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 7982 transitions. [2022-11-18 19:37:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-18 19:37:36,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:37:36,535 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] [2022-11-18 19:37:36,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:37:36,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:37:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:37:36,536 INFO L85 PathProgramCache]: Analyzing trace with hash -753507713, now seen corresponding path program 1 times [2022-11-18 19:37:36,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:37:36,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505640555] [2022-11-18 19:37:36,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:37:36,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:37:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:37:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:37:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:37:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:37:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:37:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:37:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:37:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:37:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:37:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 19:37:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 19:37:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 19:37:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:37:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:37:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:37:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 19:37:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:37:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 19:37:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 19:37:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:37:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 19:37:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 19:37:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:37:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 19:37:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:37:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-18 19:37:38,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:37:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505640555] [2022-11-18 19:37:38,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505640555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:37:38,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:37:38,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:37:38,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383582734] [2022-11-18 19:37:38,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:37:38,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:37:38,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:37:38,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:37:38,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:37:38,135 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) [2022-11-18 19:37:56,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:37:58,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:38:04,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:38:04,985 INFO L93 Difference]: Finished difference Result 14026 states and 21976 transitions. [2022-11-18 19:38:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:38:04,986 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 [2022-11-18 19:38:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:38:05,034 INFO L225 Difference]: With dead ends: 14026 [2022-11-18 19:38:05,034 INFO L226 Difference]: Without dead ends: 8646 [2022-11-18 19:38:05,061 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 [2022-11-18 19:38:05,062 INFO L413 NwaCegarLoop]: 3113 mSDtfsCounter, 11100 mSDsluCounter, 6134 mSDsCounter, 0 mSdLazyCounter, 7255 mSolverCounterSat, 8112 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11511 SdHoareTripleChecker+Valid, 9247 SdHoareTripleChecker+Invalid, 15369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8112 IncrementalHoareTripleChecker+Valid, 7255 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:38:05,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11511 Valid, 9247 Invalid, 15369 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8112 Valid, 7255 Invalid, 2 Unknown, 0 Unchecked, 25.2s Time] [2022-11-18 19:38:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8646 states. [2022-11-18 19:38:05,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8646 to 5417. [2022-11-18 19:38:05,894 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) [2022-11-18 19:38:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 5417 states and 7980 transitions. [2022-11-18 19:38:05,921 INFO L78 Accepts]: Start accepts. Automaton has 5417 states and 7980 transitions. Word has length 282 [2022-11-18 19:38:05,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:38:05,923 INFO L495 AbstractCegarLoop]: Abstraction has 5417 states and 7980 transitions. [2022-11-18 19:38:05,924 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) [2022-11-18 19:38:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 7980 transitions. [2022-11-18 19:38:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-18 19:38:05,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:38:05,950 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] [2022-11-18 19:38:05,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:38:05,951 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:38:05,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:38:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash -513267967, now seen corresponding path program 1 times [2022-11-18 19:38:05,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:38:05,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892818101] [2022-11-18 19:38:05,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:38:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:38:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:38:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:38:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:38:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:38:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:38:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:38:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:38:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 19:38:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 19:38:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 19:38:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:38:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:38:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:38:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 19:38:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:38:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 19:38:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 19:38:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:38:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 19:38:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 19:38:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:38:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 19:38:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-18 19:38:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:38:13,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892818101] [2022-11-18 19:38:13,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892818101] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:38:13,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236054054] [2022-11-18 19:38:13,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:38:13,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:38:13,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:38:13,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:38:13,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25703f41-039c-4823-97bc-dda0832cd8ee/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:38:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:38:14,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 4981 conjuncts, 136 conjunts are in the unsatisfiable core [2022-11-18 19:38:14,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:38:15,098 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 [2022-11-18 19:38:15,277 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 [2022-11-18 19:38:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:38:18,291 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 [2022-11-18 19:38:18,305 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 19:38:18,306 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 [2022-11-18 19:39:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-18 19:39:37,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:39:39,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236054054] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:39:39,535 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:39:39,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 58 [2022-11-18 19:39:39,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454909533] [2022-11-18 19:39:39,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:39:39,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-11-18 19:39:39,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:39:39,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-11-18 19:39:39,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=3979, Unknown=42, NotChecked=0, Total=4290 [2022-11-18 19:39:39,540 INFO L87 Difference]: Start difference. First operand 5417 states and 7980 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) [2022-11-18 19:47:43,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:45,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:47,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:49,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:51,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:53,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:55,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:57,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:59,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:01,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:03,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:05,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:07,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:09,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:11,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:13,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:26,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:28,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:30,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:32,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:34,993 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 []