./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/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_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:43:09,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:43:09,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:43:09,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:43:09,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:43:09,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:43:09,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:43:09,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:43:09,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:43:09,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:43:09,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:43:09,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:43:09,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:43:09,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:43:09,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:43:09,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:43:09,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:43:09,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:43:09,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:43:09,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:43:09,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:43:09,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:43:09,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:43:09,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:43:09,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:43:09,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:43:09,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:43:09,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:43:09,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:43:09,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:43:09,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:43:09,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:43:09,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:43:09,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:43:09,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:43:09,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:43:09,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:43:09,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:43:09,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:43:09,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:43:09,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:43:09,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:43:09,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:43:09,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:43:09,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:43:09,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:43:09,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:43:09,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:43:09,920 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:43:09,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:43:09,920 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:43:09,920 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:43:09,921 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:43:09,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:43:09,922 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:43:09,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:43:09,922 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:43:09,923 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:43:09,923 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:43:09,923 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:43:09,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:43:09,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:43:09,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:43:09,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:43:09,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:43:09,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:43:09,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:43:09,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:43:09,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:43:09,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:43:09,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:43:09,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:43:09,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:43:09,928 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:43:09,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:43:09,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:43:09,929 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:43:09,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:43:09,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:43:09,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:43:09,930 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_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46b9a78b7df126f0e8e4ab33fe5881be17163006d9740767ef84c25adc3bd43 [2022-11-03 03:43:10,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:43:10,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:43:10,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:43:10,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:43:10,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:43:10,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 03:43:10,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/data/9c1ef824a/2fab4d1decf447cf909adc824d37ea4d/FLAGacaa80973 [2022-11-03 03:43:11,511 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:43:11,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/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 [2022-11-03 03:43:11,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/data/9c1ef824a/2fab4d1decf447cf909adc824d37ea4d/FLAGacaa80973 [2022-11-03 03:43:11,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/data/9c1ef824a/2fab4d1decf447cf909adc824d37ea4d [2022-11-03 03:43:11,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:43:11,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:43:11,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:43:11,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:43:11,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:43:11,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:43:11" (1/1) ... [2022-11-03 03:43:11,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271ea6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:11, skipping insertion in model container [2022-11-03 03:43:11,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:43:11" (1/1) ... [2022-11-03 03:43:11,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:43:12,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:43:15,333 WARN L230 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_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/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] [2022-11-03 03:43:15,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:43:15,508 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:43:16,138 WARN L230 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_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/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] [2022-11-03 03:43:16,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:43:16,333 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:43:16,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16 WrapperNode [2022-11-03 03:43:16,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:43:16,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:43:16,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:43:16,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:43:16,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:16,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:17,043 INFO L138 Inliner]: procedures = 313, calls = 6182, calls flagged for inlining = 154, calls inlined = 152, statements flattened = 13297 [2022-11-03 03:43:17,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:43:17,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:43:17,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:43:17,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:43:17,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:17,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:17,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:17,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:17,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:18,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:18,079 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:18,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:18,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:43:18,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:43:18,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:43:18,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:43:18,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:18,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:43:18,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:43:18,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:43:18,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:43:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-11-03 03:43:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-11-03 03:43:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-11-03 03:43:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-11-03 03:43:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-11-03 03:43:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-11-03 03:43:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:43:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:43:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-03 03:43:18,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-03 03:43:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:43:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:43:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:43:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:43:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:43:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:43:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-11-03 03:43:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-11-03 03:43:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-11-03 03:43:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-11-03 03:43:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-11-03 03:43:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-11-03 03:43:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-03 03:43:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-03 03:43:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-11-03 03:43:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-11-03 03:43:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:43:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:43:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:43:18,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:43:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-03 03:43:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-03 03:43:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-11-03 03:43:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-11-03 03:43:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___0 [2022-11-03 03:43:18,354 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___0 [2022-11-03 03:43:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:43:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:43:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-11-03 03:43:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-11-03 03:43:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___1 [2022-11-03 03:43:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___1 [2022-11-03 03:43:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-11-03 03:43:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-11-03 03:43:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-11-03 03:43:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-11-03 03:43:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-11-03 03:43:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-11-03 03:43:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-11-03 03:43:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-11-03 03:43:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:43:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:43:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:43:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:43:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-11-03 03:43:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-11-03 03:43:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 03:43:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 03:43:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-11-03 03:43:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-11-03 03:43:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush___1 [2022-11-03 03:43:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush___1 [2022-11-03 03:43:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-11-03 03:43:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-11-03 03:43:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___1 [2022-11-03 03:43:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___1 [2022-11-03 03:43:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___0 [2022-11-03 03:43:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___0 [2022-11-03 03:43:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___3 [2022-11-03 03:43:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___3 [2022-11-03 03:43:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-11-03 03:43:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-11-03 03:43:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:43:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:43:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:43:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:43:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-03 03:43:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-03 03:43:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:43:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:43:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP___0 [2022-11-03 03:43:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP___0 [2022-11-03 03:43:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:43:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:43:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-11-03 03:43:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-11-03 03:43:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-03 03:43:18,366 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-03 03:43:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:43:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 03:43:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 03:43:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-11-03 03:43:18,367 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-11-03 03:43:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep___0 [2022-11-03 03:43:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep___0 [2022-11-03 03:43:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:43:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:43:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:43:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-11-03 03:43:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-11-03 03:43:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-11-03 03:43:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-11-03 03:43:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-11-03 03:43:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-11-03 03:43:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-03 03:43:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-03 03:43:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-03 03:43:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-03 03:43:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:43:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:43:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-11-03 03:43:18,371 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-11-03 03:43:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-11-03 03:43:18,372 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-11-03 03:43:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:43:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 03:43:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 03:43:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-11-03 03:43:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-11-03 03:43:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 03:43:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 03:43:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:43:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-11-03 03:43:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-11-03 03:43:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-03 03:43:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-03 03:43:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-03 03:43:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-03 03:43:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-11-03 03:43:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-11-03 03:43:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:43:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP___1 [2022-11-03 03:43:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP___1 [2022-11-03 03:43:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-11-03 03:43:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-11-03 03:43:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-11-03 03:43:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-11-03 03:43:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 03:43:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 03:43:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-11-03 03:43:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-11-03 03:43:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:43:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:43:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-11-03 03:43:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-11-03 03:43:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___2 [2022-11-03 03:43:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___2 [2022-11-03 03:43:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___1 [2022-11-03 03:43:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___1 [2022-11-03 03:43:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-11-03 03:43:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-11-03 03:43:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___0 [2022-11-03 03:43:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___0 [2022-11-03 03:43:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-11-03 03:43:18,380 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-11-03 03:43:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-11-03 03:43:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-11-03 03:43:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:43:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:43:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-11-03 03:43:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-11-03 03:43:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-11-03 03:43:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-11-03 03:43:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:43:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:43:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:43:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-11-03 03:43:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-11-03 03:43:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___3 [2022-11-03 03:43:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___3 [2022-11-03 03:43:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-11-03 03:43:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-11-03 03:43:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___1 [2022-11-03 03:43:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___1 [2022-11-03 03:43:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___0 [2022-11-03 03:43:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___0 [2022-11-03 03:43:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:43:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:43:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-11-03 03:43:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-11-03 03:43:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-11-03 03:43:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-11-03 03:43:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:43:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:43:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:43:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-03 03:43:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-03 03:43:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:43:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:43:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:43:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-11-03 03:43:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-11-03 03:43:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:43:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:43:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:43:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-11-03 03:43:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-11-03 03:43:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-03 03:43:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-03 03:43:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-11-03 03:43:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-11-03 03:43:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-11-03 03:43:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-11-03 03:43:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-03 03:43:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-03 03:43:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-11-03 03:43:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-11-03 03:43:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-03 03:43:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-03 03:43:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-03 03:43:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-03 03:43:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:43:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:43:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___3 [2022-11-03 03:43:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___3 [2022-11-03 03:43:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___1 [2022-11-03 03:43:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___1 [2022-11-03 03:43:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___0 [2022-11-03 03:43:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___0 [2022-11-03 03:43:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-11-03 03:43:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-11-03 03:43:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:43:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:43:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-11-03 03:43:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-11-03 03:43:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-11-03 03:43:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-11-03 03:43:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 03:43:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 03:43:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-11-03 03:43:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-11-03 03:43:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-11-03 03:43:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-11-03 03:43:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:43:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:43:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-11-03 03:43:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-11-03 03:43:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:43:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 03:43:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 03:43:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-11-03 03:43:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-11-03 03:43:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-11-03 03:43:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-11-03 03:43:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-03 03:43:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-03 03:43:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:43:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:43:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:43:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:43:20,000 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:43:20,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:43:21,495 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:43:52,997 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:44:00,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:44:00,928 INFO L300 CfgBuilder]: Removed 36 assume(true) statements. [2022-11-03 03:44:00,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:00 BoogieIcfgContainer [2022-11-03 03:44:00,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:44:00,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:44:00,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:44:00,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:44:00,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:43:11" (1/3) ... [2022-11-03 03:44:00,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d39a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:00, skipping insertion in model container [2022-11-03 03:44:00,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16" (2/3) ... [2022-11-03 03:44:00,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d39a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:00, skipping insertion in model container [2022-11-03 03:44:00,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:00" (3/3) ... [2022-11-03 03:44:00,952 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-03 03:44:00,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:44:00,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:44:01,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:44:01,125 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;@3df259b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:44:01,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:44:01,146 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) [2022-11-03 03:44:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-03 03:44:01,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:01,206 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] [2022-11-03 03:44:01,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:01,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1895475135, now seen corresponding path program 1 times [2022-11-03 03:44:01,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:01,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926944408] [2022-11-03 03:44:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:01,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-11-03 03:44:03,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:03,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926944408] [2022-11-03 03:44:03,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926944408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:03,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:03,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:44:03,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338328601] [2022-11-03 03:44:03,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:03,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:03,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:03,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:03,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:03,567 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) [2022-11-03 03:44:05,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:10,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:12,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:14,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:18,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:20,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:26,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:28,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:31,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:34,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:36,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:38,457 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 [] [2022-11-03 03:44:40,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:40,071 INFO L93 Difference]: Finished difference Result 10019 states and 15228 transitions. [2022-11-03 03:44:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:44:40,074 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 [2022-11-03 03:44:40,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:40,153 INFO L225 Difference]: With dead ends: 10019 [2022-11-03 03:44:40,154 INFO L226 Difference]: Without dead ends: 6273 [2022-11-03 03:44:40,201 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 [2022-11-03 03:44:40,204 INFO L413 NwaCegarLoop]: 6373 mSDtfsCounter, 3922 mSDsluCounter, 5470 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 11518 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:40,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3922 Valid, 11518 Invalid, 706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 694 Invalid, 11 Unknown, 0 Unchecked, 35.9s Time] [2022-11-03 03:44:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2022-11-03 03:44:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 6271. [2022-11-03 03:44:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6271 states, 3448 states have (on average 1.2099767981438516) internal successors, (4172), 3624 states have internal predecessors, (4172), 2615 states have call successors, (2615), 208 states have call predecessors, (2615), 207 states have return successors, (2614), 2587 states have call predecessors, (2614), 2614 states have call successors, (2614) [2022-11-03 03:44:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6271 states to 6271 states and 9401 transitions. [2022-11-03 03:44:41,443 INFO L78 Accepts]: Start accepts. Automaton has 6271 states and 9401 transitions. Word has length 283 [2022-11-03 03:44:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:41,448 INFO L495 AbstractCegarLoop]: Abstraction has 6271 states and 9401 transitions. [2022-11-03 03:44:41,449 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) [2022-11-03 03:44:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 9401 transitions. [2022-11-03 03:44:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-11-03 03:44:41,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:41,469 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] [2022-11-03 03:44:41,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:44:41,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:41,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1200535396, now seen corresponding path program 1 times [2022-11-03 03:44:41,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:41,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652288226] [2022-11-03 03:44:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:41,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2022-11-03 03:44:43,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:43,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652288226] [2022-11-03 03:44:43,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652288226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:43,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:43,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:44:43,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414029174] [2022-11-03 03:44:43,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:43,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:43,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:43,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:43,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:43,613 INFO L87 Difference]: Start difference. First operand 6271 states and 9401 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) [2022-11-03 03:44:45,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:49,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:50,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:52,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:55,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:57,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:44:59,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:00,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:02,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:06,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:07,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:10,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:12,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:15,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:16,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:18,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:19,707 INFO L93 Difference]: Finished difference Result 11204 states and 16841 transitions. [2022-11-03 03:45:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:19,708 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 [2022-11-03 03:45:19,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:19,845 INFO L225 Difference]: With dead ends: 11204 [2022-11-03 03:45:19,845 INFO L226 Difference]: Without dead ends: 11201 [2022-11-03 03:45:19,863 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 [2022-11-03 03:45:19,864 INFO L413 NwaCegarLoop]: 6293 mSDtfsCounter, 4363 mSDsluCounter, 5027 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4364 SdHoareTripleChecker+Valid, 11008 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:19,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4364 Valid, 11008 Invalid, 656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 645 Invalid, 10 Unknown, 0 Unchecked, 35.6s Time] [2022-11-03 03:45:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11201 states. [2022-11-03 03:45:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11201 to 11156. [2022-11-03 03:45:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11156 states, 6104 states have (on average 1.2105176933158583) internal successors, (7389), 6440 states have internal predecessors, (7389), 4671 states have call successors, (4671), 383 states have call predecessors, (4671), 380 states have return successors, (4706), 4616 states have call predecessors, (4706), 4670 states have call successors, (4706) [2022-11-03 03:45:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11156 states to 11156 states and 16766 transitions. [2022-11-03 03:45:21,368 INFO L78 Accepts]: Start accepts. Automaton has 11156 states and 16766 transitions. Word has length 330 [2022-11-03 03:45:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:21,374 INFO L495 AbstractCegarLoop]: Abstraction has 11156 states and 16766 transitions. [2022-11-03 03:45:21,375 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) [2022-11-03 03:45:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11156 states and 16766 transitions. [2022-11-03 03:45:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-03 03:45:21,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:21,410 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] [2022-11-03 03:45:21,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:45:21,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:21,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:21,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1767229838, now seen corresponding path program 1 times [2022-11-03 03:45:21,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:21,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524467974] [2022-11-03 03:45:21,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:21,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:22,071 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:45:22,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134463890] [2022-11-03 03:45:22,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:22,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:22,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:22,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:22,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:45:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:27,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 9434 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:45:27,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2022-11-03 03:45:27,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:45:27,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:27,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524467974] [2022-11-03 03:45:27,382 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:45:27,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134463890] [2022-11-03 03:45:27,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134463890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:27,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:27,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:45:27,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354403645] [2022-11-03 03:45:27,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:45:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:27,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:45:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:45:27,387 INFO L87 Difference]: Start difference. First operand 11156 states and 16766 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) [2022-11-03 03:45:29,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:33,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:35,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:41,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:44,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:45,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:48,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:50,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:52,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:55,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:57,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:59,121 INFO L93 Difference]: Finished difference Result 22284 states and 33615 transitions. [2022-11-03 03:45:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:59,122 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 [2022-11-03 03:45:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:59,247 INFO L225 Difference]: With dead ends: 22284 [2022-11-03 03:45:59,247 INFO L226 Difference]: Without dead ends: 11188 [2022-11-03 03:45:59,351 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 [2022-11-03 03:45:59,352 INFO L413 NwaCegarLoop]: 5160 mSDtfsCounter, 5 mSDsluCounter, 5480 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10316 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:59,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10316 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 653 Invalid, 9 Unknown, 0 Unchecked, 31.1s Time] [2022-11-03 03:45:59,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11188 states. [2022-11-03 03:46:00,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11188 to 11160. [2022-11-03 03:46:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11160 states, 6108 states have (on average 1.2103798297314996) internal successors, (7393), 6444 states have internal predecessors, (7393), 4671 states have call successors, (4671), 383 states have call predecessors, (4671), 380 states have return successors, (4706), 4616 states have call predecessors, (4706), 4670 states have call successors, (4706) [2022-11-03 03:46:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11160 states to 11160 states and 16770 transitions. [2022-11-03 03:46:00,882 INFO L78 Accepts]: Start accepts. Automaton has 11160 states and 16770 transitions. Word has length 413 [2022-11-03 03:46:00,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:00,884 INFO L495 AbstractCegarLoop]: Abstraction has 11160 states and 16770 transitions. [2022-11-03 03:46:00,884 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) [2022-11-03 03:46:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 11160 states and 16770 transitions. [2022-11-03 03:46:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-03 03:46:00,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:00,921 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] [2022-11-03 03:46:00,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 03:46:01,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:01,147 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash 558380311, now seen corresponding path program 1 times [2022-11-03 03:46:01,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:01,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280531878] [2022-11-03 03:46:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:01,894 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:46:01,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54897877] [2022-11-03 03:46:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:01,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:01,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:46:01,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:46:01,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:46:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:06,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 9455 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:46:06,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:46:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2022-11-03 03:46:06,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:46:06,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:06,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280531878] [2022-11-03 03:46:06,818 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:46:06,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54897877] [2022-11-03 03:46:06,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54897877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:06,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:06,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:46:06,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154575428] [2022-11-03 03:46:06,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:06,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:06,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:06,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:06,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:06,822 INFO L87 Difference]: Start difference. First operand 11160 states and 16770 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) [2022-11-03 03:46:08,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:13,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:15,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:17,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:19,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:22,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:24,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:26,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:28,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:31,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:33,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:35,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:37,808 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 [] [2022-11-03 03:46:39,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:46:39,384 INFO L93 Difference]: Finished difference Result 22308 states and 33602 transitions. [2022-11-03 03:46:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:46:39,385 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 [2022-11-03 03:46:39,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:46:39,483 INFO L225 Difference]: With dead ends: 22308 [2022-11-03 03:46:39,483 INFO L226 Difference]: Without dead ends: 11208 [2022-11-03 03:46:39,569 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 [2022-11-03 03:46:39,572 INFO L413 NwaCegarLoop]: 5168 mSDtfsCounter, 13 mSDsluCounter, 5480 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 10326 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:46:39,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 10326 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 649 Invalid, 12 Unknown, 0 Unchecked, 32.0s Time] [2022-11-03 03:46:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11208 states. [2022-11-03 03:46:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11208 to 11164. [2022-11-03 03:46:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11164 states, 6112 states have (on average 1.2102421465968587) internal successors, (7397), 6448 states have internal predecessors, (7397), 4671 states have call successors, (4671), 383 states have call predecessors, (4671), 380 states have return successors, (4706), 4616 states have call predecessors, (4706), 4670 states have call successors, (4706) [2022-11-03 03:46:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11164 states to 11164 states and 16774 transitions. [2022-11-03 03:46:40,998 INFO L78 Accepts]: Start accepts. Automaton has 11164 states and 16774 transitions. Word has length 418 [2022-11-03 03:46:41,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:46:41,000 INFO L495 AbstractCegarLoop]: Abstraction has 11164 states and 16774 transitions. [2022-11-03 03:46:41,001 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) [2022-11-03 03:46:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 11164 states and 16774 transitions. [2022-11-03 03:46:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-03 03:46:41,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:46:41,039 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] [2022-11-03 03:46:41,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:46:41,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:41,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:46:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:46:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash -872812014, now seen corresponding path program 1 times [2022-11-03 03:46:41,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:46:41,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634659428] [2022-11-03 03:46:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:46:42,036 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:46:42,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242993319] [2022-11-03 03:46:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:42,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:46:42,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:46:42,039 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:46:42,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:46:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:46,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 9486 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:46:46,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:46:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2022-11-03 03:46:46,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:46:46,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:46,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634659428] [2022-11-03 03:46:46,878 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:46:46,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242993319] [2022-11-03 03:46:46,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242993319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:46,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:46,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:46:46,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516739938] [2022-11-03 03:46:46,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:46,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:46,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:46,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:46,881 INFO L87 Difference]: Start difference. First operand 11164 states and 16774 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) [2022-11-03 03:46:49,004 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 [] [2022-11-03 03:46:54,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:56,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:57,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:59,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:02,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:04,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:06,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:08,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:10,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:13,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:16,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:18,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:20,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:22,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:23,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:23,746 INFO L93 Difference]: Finished difference Result 22269 states and 33470 transitions. [2022-11-03 03:47:23,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:47:23,747 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 [2022-11-03 03:47:23,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:23,833 INFO L225 Difference]: With dead ends: 22269 [2022-11-03 03:47:23,833 INFO L226 Difference]: Without dead ends: 11165 [2022-11-03 03:47:23,911 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 [2022-11-03 03:47:23,912 INFO L413 NwaCegarLoop]: 5159 mSDtfsCounter, 0 mSDsluCounter, 5483 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10316 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:23,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10316 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 655 Invalid, 8 Unknown, 0 Unchecked, 36.4s Time] [2022-11-03 03:47:23,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11165 states. [2022-11-03 03:47:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11165 to 11165. [2022-11-03 03:47:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11165 states, 6113 states have (on average 1.2102077539669556) internal successors, (7398), 6449 states have internal predecessors, (7398), 4671 states have call successors, (4671), 383 states have call predecessors, (4671), 380 states have return successors, (4706), 4616 states have call predecessors, (4706), 4670 states have call successors, (4706) [2022-11-03 03:47:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11165 states to 11165 states and 16775 transitions. [2022-11-03 03:47:25,284 INFO L78 Accepts]: Start accepts. Automaton has 11165 states and 16775 transitions. Word has length 428 [2022-11-03 03:47:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:25,286 INFO L495 AbstractCegarLoop]: Abstraction has 11165 states and 16775 transitions. [2022-11-03 03:47:25,286 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) [2022-11-03 03:47:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 11165 states and 16775 transitions. [2022-11-03 03:47:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-11-03 03:47:25,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:25,326 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] [2022-11-03 03:47:25,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:25,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:25,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:47:25,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:25,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1618364368, now seen corresponding path program 1 times [2022-11-03 03:47:25,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:25,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294877542] [2022-11-03 03:47:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:26,277 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:47:26,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201954819] [2022-11-03 03:47:26,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:26,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:26,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:26,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:26,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f91d57df-9eda-4ca3-ada4-58fbb5a45edd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:47:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:31,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 9521 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:47:31,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-11-03 03:47:31,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-11-03 03:47:31,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294877542] [2022-11-03 03:47:31,906 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:47:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201954819] [2022-11-03 03:47:31,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201954819] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:31,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1697960614] [2022-11-03 03:47:31,942 INFO L159 IcfgInterpreter]: Started Sifa with 173 locations of interest [2022-11-03 03:47:31,943 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:31,948 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:32,031 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:32,033 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:53,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:47:55,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:47:56,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:48:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:08,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:22,389 INFO L244 Elim1Store]: Index analysis took 22712 ms