./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--video--fbdev--aty--radeonfb.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_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f46b9a78b7df126f0e8e4ab33fe5881be17163006d9740767ef84c25adc3bd43 --- 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 [2022-11-19 07:11:20,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:11:20,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:11:20,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:11:20,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:11:20,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:11:20,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:11:20,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:11:20,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:11:20,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:11:20,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:11:20,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:11:20,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:11:20,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:11:20,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:11:20,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:11:20,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:11:20,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:11:20,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:11:20,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:11:20,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:11:20,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:11:20,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:11:20,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:11:20,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:11:20,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:11:20,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:11:20,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:11:20,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:11:20,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:11:20,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:11:20,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:11:20,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:11:20,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:11:20,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:11:20,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:11:20,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:11:20,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:11:20,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:11:20,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:11:20,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:11:20,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:11:20,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:11:20,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:11:20,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:11:20,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:11:20,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:11:20,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:11:20,438 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:11:20,438 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:11:20,438 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:11:20,439 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:11:20,439 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:11:20,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:11:20,439 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:11:20,440 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:11:20,440 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:11:20,440 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:11:20,441 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:11:20,441 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:11:20,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:11:20,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:11:20,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:11:20,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:11:20,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:11:20,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:11:20,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:11:20,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:11:20,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:11:20,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:11:20,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:11:20,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:11:20,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:11:20,445 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:11:20,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:11:20,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:11:20,446 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:11:20,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:11:20,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:11:20,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:11:20,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46b9a78b7df126f0e8e4ab33fe5881be17163006d9740767ef84c25adc3bd43 [2022-11-19 07:11:20,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:11:20,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:11:20,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:11:20,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:11:20,827 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:11:20,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-19 07:11:20,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/data/000dbe89d/05b0159bbf614474986794ed5013320e/FLAG2af493cef [2022-11-19 07:11:21,957 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:11:21,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-19 07:11:22,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/data/000dbe89d/05b0159bbf614474986794ed5013320e/FLAG2af493cef [2022-11-19 07:11:22,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/data/000dbe89d/05b0159bbf614474986794ed5013320e [2022-11-19 07:11:22,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:11:22,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:11:22,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:11:22,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:11:22,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:11:22,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:11:22" (1/1) ... [2022-11-19 07:11:22,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ef1067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:22, skipping insertion in model container [2022-11-19 07:11:22,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:11:22" (1/1) ... [2022-11-19 07:11:22,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:11:22,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:11:25,834 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_995e28a7-202d-41fd-85c3-593efccca23c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[404061,404074] [2022-11-19 07:11:25,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:11:26,004 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:11:26,700 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_995e28a7-202d-41fd-85c3-593efccca23c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[404061,404074] [2022-11-19 07:11:26,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:11:27,009 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:11:27,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27 WrapperNode [2022-11-19 07:11:27,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:11:27,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:11:27,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:11:27,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:11:27,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:27,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:27,797 INFO L138 Inliner]: procedures = 313, calls = 6270, calls flagged for inlining = 154, calls inlined = 152, statements flattened = 14347 [2022-11-19 07:11:27,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:11:27,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:11:27,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:11:27,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:11:27,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:27,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:27,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:27,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:28,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:28,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:28,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:28,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:28,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:11:28,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:11:28,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:11:28,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:11:28,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (1/1) ... [2022-11-19 07:11:28,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:11:28,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:28,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:11:28,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:11:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-11-19 07:11:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-11-19 07:11:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-11-19 07:11:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-11-19 07:11:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-11-19 07:11:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-11-19 07:11:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:11:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:11:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-19 07:11:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-19 07:11:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:11:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:11:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:11:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:11:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:11:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:11:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-11-19 07:11:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-11-19 07:11:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-11-19 07:11:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-11-19 07:11:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-11-19 07:11:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-11-19 07:11:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-19 07:11:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-19 07:11:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-11-19 07:11:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-11-19 07:11:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:11:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:11:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:11:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:11:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-19 07:11:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-19 07:11:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-11-19 07:11:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-11-19 07:11:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___0 [2022-11-19 07:11:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___0 [2022-11-19 07:11:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:11:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:11:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-11-19 07:11:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-11-19 07:11:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___1 [2022-11-19 07:11:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___1 [2022-11-19 07:11:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-11-19 07:11:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-11-19 07:11:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-11-19 07:11:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-11-19 07:11:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-11-19 07:11:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-11-19 07:11:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-11-19 07:11:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-11-19 07:11:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:11:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:11:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:11:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:11:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-11-19 07:11:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-11-19 07:11:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 07:11:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 07:11:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-11-19 07:11:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-11-19 07:11:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush___1 [2022-11-19 07:11:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush___1 [2022-11-19 07:11:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-11-19 07:11:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-11-19 07:11:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___1 [2022-11-19 07:11:28,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___1 [2022-11-19 07:11:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___0 [2022-11-19 07:11:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___0 [2022-11-19 07:11:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___3 [2022-11-19 07:11:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___3 [2022-11-19 07:11:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-11-19 07:11:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-11-19 07:11:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:11:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:11:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:11:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:11:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-19 07:11:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-19 07:11:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:11:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:11:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP___0 [2022-11-19 07:11:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP___0 [2022-11-19 07:11:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:11:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-11-19 07:11:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-11-19 07:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-19 07:11:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-19 07:11:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:11:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-19 07:11:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-19 07:11:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-11-19 07:11:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-11-19 07:11:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep___0 [2022-11-19 07:11:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep___0 [2022-11-19 07:11:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:11:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:11:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:11:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-11-19 07:11:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-11-19 07:11:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-11-19 07:11:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-11-19 07:11:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-11-19 07:11:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-11-19 07:11:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-19 07:11:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-19 07:11:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-19 07:11:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-19 07:11:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:11:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:11:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-11-19 07:11:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-11-19 07:11:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-11-19 07:11:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-11-19 07:11:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:11:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 07:11:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 07:11:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-11-19 07:11:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-11-19 07:11:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 07:11:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 07:11:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:11:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-11-19 07:11:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-11-19 07:11:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-19 07:11:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-19 07:11:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-19 07:11:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-19 07:11:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-11-19 07:11:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-11-19 07:11:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP___1 [2022-11-19 07:11:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP___1 [2022-11-19 07:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-11-19 07:11:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-11-19 07:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-11-19 07:11:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-11-19 07:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:11:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-11-19 07:11:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-11-19 07:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:11:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-11-19 07:11:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-11-19 07:11:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___2 [2022-11-19 07:11:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___2 [2022-11-19 07:11:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___1 [2022-11-19 07:11:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___1 [2022-11-19 07:11:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-11-19 07:11:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-11-19 07:11:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___0 [2022-11-19 07:11:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___0 [2022-11-19 07:11:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-11-19 07:11:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-11-19 07:11:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-11-19 07:11:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-11-19 07:11:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:11:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:11:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-11-19 07:11:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-11-19 07:11:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-11-19 07:11:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-11-19 07:11:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:11:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:11:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:11:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-11-19 07:11:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-11-19 07:11:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___3 [2022-11-19 07:11:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___3 [2022-11-19 07:11:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-11-19 07:11:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-11-19 07:11:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___1 [2022-11-19 07:11:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___1 [2022-11-19 07:11:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___0 [2022-11-19 07:11:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___0 [2022-11-19 07:11:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:11:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:11:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-11-19 07:11:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-11-19 07:11:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-11-19 07:11:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-11-19 07:11:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:11:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:11:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:11:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-19 07:11:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-19 07:11:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:11:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:11:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:11:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-11-19 07:11:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-11-19 07:11:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:11:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:11:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:11:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-11-19 07:11:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-11-19 07:11:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-19 07:11:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-19 07:11:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-11-19 07:11:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-11-19 07:11:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-11-19 07:11:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-11-19 07:11:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-19 07:11:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-19 07:11:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-11-19 07:11:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-11-19 07:11:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-19 07:11:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-19 07:11:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-19 07:11:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-19 07:11:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:11:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:11:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___3 [2022-11-19 07:11:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___3 [2022-11-19 07:11:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___1 [2022-11-19 07:11:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___1 [2022-11-19 07:11:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___0 [2022-11-19 07:11:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___0 [2022-11-19 07:11:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-11-19 07:11:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-11-19 07:11:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:11:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:11:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-11-19 07:11:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-11-19 07:11:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-11-19 07:11:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-11-19 07:11:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:11:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:11:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-11-19 07:11:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-11-19 07:11:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-11-19 07:11:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-11-19 07:11:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:11:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:11:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-11-19 07:11:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-11-19 07:11:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:11:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-19 07:11:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-19 07:11:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-11-19 07:11:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-11-19 07:11:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-11-19 07:11:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-11-19 07:11:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-19 07:11:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-19 07:11:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:11:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:11:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:11:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:11:30,565 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:11:30,576 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:11:31,990 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:12:01,658 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:12:13,019 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:12:13,019 INFO L300 CfgBuilder]: Removed 36 assume(true) statements. [2022-11-19 07:12:13,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:13 BoogieIcfgContainer [2022-11-19 07:12:13,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:12:13,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:12:13,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:12:13,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:12:13,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:11:22" (1/3) ... [2022-11-19 07:12:13,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad15097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:13, skipping insertion in model container [2022-11-19 07:12:13,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:27" (2/3) ... [2022-11-19 07:12:13,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad15097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:12:13, skipping insertion in model container [2022-11-19 07:12:13,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:12:13" (3/3) ... [2022-11-19 07:12:13,058 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-19 07:12:13,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:12:13,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:12:13,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:12:13,269 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=FINITE_AUTOMATA, 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;@4f9c1a2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:12:13,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:12:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 3782 states, 2169 states have (on average 1.2346703550023053) internal successors, (2678), 2301 states have internal predecessors, (2678), 1531 states have call successors, (1531), 117 states have call predecessors, (1531), 116 states have return successors, (1524), 1511 states have call predecessors, (1524), 1524 states have call successors, (1524) [2022-11-19 07:12:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-19 07:12:13,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:13,336 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-11-19 07:12:13,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:13,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1556110639, now seen corresponding path program 1 times [2022-11-19 07:12:13,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:13,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795083719] [2022-11-19 07:12:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-11-19 07:12:15,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:15,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795083719] [2022-11-19 07:12:15,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795083719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:15,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:15,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:12:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761397950] [2022-11-19 07:12:15,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:15,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:12:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:16,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:12:16,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:12:16,023 INFO L87 Difference]: Start difference. First operand has 3782 states, 2169 states have (on average 1.2346703550023053) internal successors, (2678), 2301 states have internal predecessors, (2678), 1531 states have call successors, (1531), 117 states have call predecessors, (1531), 116 states have return successors, (1524), 1511 states have call predecessors, (1524), 1524 states have call successors, (1524) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:12:17,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:24,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:25,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:29,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:31,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:33,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:35,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:37,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:39,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:43,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:45,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:48,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:49,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:51,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:53,418 INFO L93 Difference]: Finished difference Result 10022 states and 15231 transitions. [2022-11-19 07:12:53,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:12:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 283 [2022-11-19 07:12:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:53,513 INFO L225 Difference]: With dead ends: 10022 [2022-11-19 07:12:53,514 INFO L226 Difference]: Without dead ends: 6276 [2022-11-19 07:12:53,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:12:53,566 INFO L413 NwaCegarLoop]: 6222 mSDtfsCounter, 4006 mSDsluCounter, 4921 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4006 SdHoareTripleChecker+Valid, 11143 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:53,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4006 Valid, 11143 Invalid, 994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 984 Invalid, 8 Unknown, 0 Unchecked, 36.6s Time] [2022-11-19 07:12:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2022-11-19 07:12:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 6274. [2022-11-19 07:12:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6274 states, 3450 states have (on average 1.210144927536232) internal successors, (4175), 3626 states have internal predecessors, (4175), 2615 states have call successors, (2615), 209 states have call predecessors, (2615), 208 states have return successors, (2614), 2587 states have call predecessors, (2614), 2614 states have call successors, (2614) [2022-11-19 07:12:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 9404 transitions. [2022-11-19 07:12:54,595 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 9404 transitions. Word has length 283 [2022-11-19 07:12:54,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:54,601 INFO L495 AbstractCegarLoop]: Abstraction has 6274 states and 9404 transitions. [2022-11-19 07:12:54,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:12:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 9404 transitions. [2022-11-19 07:12:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-11-19 07:12:54,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:54,623 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 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] [2022-11-19 07:12:54,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:12:54,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:54,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:54,625 INFO L85 PathProgramCache]: Analyzing trace with hash -837829426, now seen corresponding path program 1 times [2022-11-19 07:12:54,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:54,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604491018] [2022-11-19 07:12:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:54,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2022-11-19 07:12:56,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:56,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604491018] [2022-11-19 07:12:56,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604491018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:56,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:56,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:12:56,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963692547] [2022-11-19 07:12:56,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:56,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:12:56,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:56,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:12:56,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:12:56,807 INFO L87 Difference]: Start difference. First operand 6274 states and 9404 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:12:58,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:01,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:03,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:05,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:07,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:09,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:12,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:13,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:15,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:18,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:19,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:22,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:25,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:27,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:30,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:32,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:13:34,442 INFO L93 Difference]: Finished difference Result 11344 states and 17046 transitions. [2022-11-19 07:13:34,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:13:34,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 330 [2022-11-19 07:13:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:13:34,564 INFO L225 Difference]: With dead ends: 11344 [2022-11-19 07:13:34,565 INFO L226 Difference]: Without dead ends: 11341 [2022-11-19 07:13:34,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:13:34,580 INFO L413 NwaCegarLoop]: 6207 mSDtfsCounter, 4570 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 10777 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:13:34,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 10777 Invalid, 951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 941 Invalid, 9 Unknown, 0 Unchecked, 37.1s Time] [2022-11-19 07:13:34,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11341 states. [2022-11-19 07:13:35,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11341 to 11298. [2022-11-19 07:13:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11298 states, 6186 states have (on average 1.2101519560297447) internal successors, (7486), 6522 states have internal predecessors, (7486), 4726 states have call successors, (4726), 388 states have call predecessors, (4726), 385 states have return successors, (4761), 4671 states have call predecessors, (4761), 4725 states have call successors, (4761) [2022-11-19 07:13:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11298 states to 11298 states and 16973 transitions. [2022-11-19 07:13:36,049 INFO L78 Accepts]: Start accepts. Automaton has 11298 states and 16973 transitions. Word has length 330 [2022-11-19 07:13:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:13:36,055 INFO L495 AbstractCegarLoop]: Abstraction has 11298 states and 16973 transitions. [2022-11-19 07:13:36,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:13:36,057 INFO L276 IsEmpty]: Start isEmpty. Operand 11298 states and 16973 transitions. [2022-11-19 07:13:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-19 07:13:36,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:13:36,088 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:13:36,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:13:36,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:13:36,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:13:36,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1150431881, now seen corresponding path program 1 times [2022-11-19 07:13:36,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:13:36,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384129490] [2022-11-19 07:13:36,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:36,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:13:36,669 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:13:36,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176605045] [2022-11-19 07:13:36,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:36,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:36,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:36,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:13:36,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:13:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:13:40,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 9610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:13:40,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2022-11-19 07:13:41,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:13:41,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:41,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384129490] [2022-11-19 07:13:41,075 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:13:41,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176605045] [2022-11-19 07:13:41,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176605045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:13:41,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:13:41,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:13:41,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776612236] [2022-11-19 07:13:41,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:13:41,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:13:41,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:13:41,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:13:41,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:13:41,079 INFO L87 Difference]: Start difference. First operand 11298 states and 16973 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-19 07:13:43,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:46,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:48,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:50,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:53,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:13:56,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:58,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:02,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:06,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:08,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:10,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:12,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:14,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:14,591 INFO L93 Difference]: Finished difference Result 22568 states and 34029 transitions. [2022-11-19 07:14:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:14:14,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 413 [2022-11-19 07:14:14,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:14,696 INFO L225 Difference]: With dead ends: 22568 [2022-11-19 07:14:14,696 INFO L226 Difference]: Without dead ends: 11330 [2022-11-19 07:14:14,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:14,783 INFO L413 NwaCegarLoop]: 5015 mSDtfsCounter, 5 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10026 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:14,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10026 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 944 Invalid, 9 Unknown, 0 Unchecked, 33.0s Time] [2022-11-19 07:14:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11330 states. [2022-11-19 07:14:16,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11330 to 11302. [2022-11-19 07:14:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11302 states, 6190 states have (on average 1.210016155088853) internal successors, (7490), 6526 states have internal predecessors, (7490), 4726 states have call successors, (4726), 388 states have call predecessors, (4726), 385 states have return successors, (4761), 4671 states have call predecessors, (4761), 4725 states have call successors, (4761) [2022-11-19 07:14:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11302 states to 11302 states and 16977 transitions. [2022-11-19 07:14:16,169 INFO L78 Accepts]: Start accepts. Automaton has 11302 states and 16977 transitions. Word has length 413 [2022-11-19 07:14:16,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:16,171 INFO L495 AbstractCegarLoop]: Abstraction has 11302 states and 16977 transitions. [2022-11-19 07:14:16,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-19 07:14:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 11302 states and 16977 transitions. [2022-11-19 07:14:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-19 07:14:16,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:16,203 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:16,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:14:16,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:16,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:14:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash 978079659, now seen corresponding path program 1 times [2022-11-19 07:14:16,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:16,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161145106] [2022-11-19 07:14:16,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:16,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:17,051 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:14:17,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299814414] [2022-11-19 07:14:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:17,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:17,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:14:17,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:14:17,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:14:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:14:21,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 9631 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:14:21,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:14:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2022-11-19 07:14:21,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:14:21,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:14:21,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161145106] [2022-11-19 07:14:21,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:14:21,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299814414] [2022-11-19 07:14:21,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299814414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:14:21,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:14:21,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:14:21,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910837900] [2022-11-19 07:14:21,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:14:21,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:14:21,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:14:21,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:14:21,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:21,502 INFO L87 Difference]: Start difference. First operand 11302 states and 16977 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-19 07:14:23,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:27,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:30,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:34,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:37,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:39,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:41,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:43,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:46,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:48,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:14:50,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:52,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:54,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:14:56,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:14:56,409 INFO L93 Difference]: Finished difference Result 22592 states and 34016 transitions. [2022-11-19 07:14:56,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:14:56,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 418 [2022-11-19 07:14:56,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:14:56,477 INFO L225 Difference]: With dead ends: 22592 [2022-11-19 07:14:56,477 INFO L226 Difference]: Without dead ends: 11350 [2022-11-19 07:14:56,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:14:56,540 INFO L413 NwaCegarLoop]: 5023 mSDtfsCounter, 13 mSDsluCounter, 5013 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 10036 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:14:56,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 10036 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 945 Invalid, 9 Unknown, 0 Unchecked, 34.4s Time] [2022-11-19 07:14:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11350 states. [2022-11-19 07:14:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11350 to 11306. [2022-11-19 07:14:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11306 states, 6194 states have (on average 1.2098805295447208) internal successors, (7494), 6530 states have internal predecessors, (7494), 4726 states have call successors, (4726), 388 states have call predecessors, (4726), 385 states have return successors, (4761), 4671 states have call predecessors, (4761), 4725 states have call successors, (4761) [2022-11-19 07:14:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11306 states to 11306 states and 16981 transitions. [2022-11-19 07:14:57,674 INFO L78 Accepts]: Start accepts. Automaton has 11306 states and 16981 transitions. Word has length 418 [2022-11-19 07:14:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:14:57,676 INFO L495 AbstractCegarLoop]: Abstraction has 11306 states and 16981 transitions. [2022-11-19 07:14:57,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-19 07:14:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 11306 states and 16981 transitions. [2022-11-19 07:14:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-19 07:14:57,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:14:57,710 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:14:57,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:14:57,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:57,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:14:57,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:14:57,928 INFO L85 PathProgramCache]: Analyzing trace with hash -995768415, now seen corresponding path program 1 times [2022-11-19 07:14:57,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:14:57,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916633979] [2022-11-19 07:14:57,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:57,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:14:58,695 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:14:58,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641740208] [2022-11-19 07:14:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:14:58,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:14:58,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:14:58,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:14:58,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:15:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:02,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 9662 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:15:02,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2022-11-19 07:15:02,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:15:02,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:02,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916633979] [2022-11-19 07:15:02,827 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:02,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641740208] [2022-11-19 07:15:02,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641740208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:15:02,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:15:02,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:15:02,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653495169] [2022-11-19 07:15:02,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:15:02,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:15:02,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:15:02,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:15:02,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:02,831 INFO L87 Difference]: Start difference. First operand 11306 states and 16981 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-19 07:15:04,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:06,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:09,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:11,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:15:13,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:15,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:17,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:15:19,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:15:22,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:24,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:27,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:29,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:30,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:15:33,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:15:34,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:15:36,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:15:38,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:15:38,267 INFO L93 Difference]: Finished difference Result 22553 states and 33884 transitions. [2022-11-19 07:15:38,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:15:38,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 428 [2022-11-19 07:15:38,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:15:38,340 INFO L225 Difference]: With dead ends: 22553 [2022-11-19 07:15:38,340 INFO L226 Difference]: Without dead ends: 11307 [2022-11-19 07:15:38,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:15:38,400 INFO L413 NwaCegarLoop]: 5014 mSDtfsCounter, 0 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10026 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:15:38,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10026 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 940 Invalid, 11 Unknown, 0 Unchecked, 35.0s Time] [2022-11-19 07:15:38,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11307 states. [2022-11-19 07:15:39,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11307 to 11307. [2022-11-19 07:15:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11307 states, 6195 states have (on average 1.2098466505246166) internal successors, (7495), 6531 states have internal predecessors, (7495), 4726 states have call successors, (4726), 388 states have call predecessors, (4726), 385 states have return successors, (4761), 4671 states have call predecessors, (4761), 4725 states have call successors, (4761) [2022-11-19 07:15:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11307 states to 11307 states and 16982 transitions. [2022-11-19 07:15:39,624 INFO L78 Accepts]: Start accepts. Automaton has 11307 states and 16982 transitions. Word has length 428 [2022-11-19 07:15:39,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:15:39,625 INFO L495 AbstractCegarLoop]: Abstraction has 11307 states and 16982 transitions. [2022-11-19 07:15:39,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-19 07:15:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 11307 states and 16982 transitions. [2022-11-19 07:15:39,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-11-19 07:15:39,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:15:39,653 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:15:39,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:15:39,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:39,867 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:15:39,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:15:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1418047833, now seen corresponding path program 1 times [2022-11-19 07:15:39,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:15:39,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453098182] [2022-11-19 07:15:39,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:15:40,691 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:15:40,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611325890] [2022-11-19 07:15:40,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:15:40,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:15:40,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:15:40,693 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:15:40,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_995e28a7-202d-41fd-85c3-593efccca23c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:15:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:15:45,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 9697 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:15:45,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:15:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-11-19 07:15:45,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:15:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-11-19 07:15:45,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:15:45,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453098182] [2022-11-19 07:15:45,872 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:15:45,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611325890] [2022-11-19 07:15:45,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611325890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:15:45,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1943558621] [2022-11-19 07:15:45,916 INFO L159 IcfgInterpreter]: Started Sifa with 173 locations of interest [2022-11-19 07:15:45,916 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:15:45,922 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:15:45,928 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:15:45,929 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:16:03,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:04,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:06,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:08,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:10,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:11,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:13,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-19 07:16:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:16:38,857 INFO L217 Elim1Store]: Index analysis took 21371 ms