./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-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:27:49,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:27:49,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:27:49,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:27:49,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:27:49,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:27:49,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:27:49,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:27:49,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:27:49,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:27:49,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:27:49,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:27:49,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:27:49,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:27:49,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:27:49,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:27:49,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:27:49,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:27:49,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:27:49,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:27:49,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:27:49,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:27:49,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:27:49,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:27:49,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:27:49,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:27:49,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:27:49,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:27:49,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:27:49,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:27:49,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:27:49,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:27:49,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:27:49,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:27:49,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:27:49,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:27:49,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:27:49,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:27:49,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:27:49,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:27:49,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:27:49,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:27:49,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:27:49,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:27:49,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:27:49,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:27:49,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:27:49,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:27:49,915 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:27:49,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:27:49,916 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:27:49,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:27:49,916 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:27:49,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:27:49,917 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:27:49,917 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:27:49,917 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:27:49,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:27:49,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:27:49,918 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:27:49,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:27:49,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:27:49,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:27:49,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:27:49,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:27:49,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:27:49,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:27:49,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:27:49,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:27:49,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:27:49,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:27:49,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:49,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:27:49,928 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:27:49,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:27:49,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:27:49,929 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:27:49,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:27:49,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:27:49,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:27:49,931 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_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 [2022-11-19 08:27:50,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:27:50,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:27:50,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:27:50,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:27:50,301 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:27:50,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2022-11-19 08:27:50,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/data/fe79d6524/49bf14c16c394349a2fb89df037c46d0/FLAGc672490f0 [2022-11-19 08:27:51,193 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:27:51,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2022-11-19 08:27:51,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/data/fe79d6524/49bf14c16c394349a2fb89df037c46d0/FLAGc672490f0 [2022-11-19 08:27:51,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/data/fe79d6524/49bf14c16c394349a2fb89df037c46d0 [2022-11-19 08:27:51,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:27:51,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:27:51,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:51,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:27:51,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:27:51,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:51" (1/1) ... [2022-11-19 08:27:51,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51053ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:51, skipping insertion in model container [2022-11-19 08:27:51,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:51" (1/1) ... [2022-11-19 08:27:51,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:27:51,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:27:52,751 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2022-11-19 08:27:52,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:52,871 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:27:53,125 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2022-11-19 08:27:53,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:53,187 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:27:53,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53 WrapperNode [2022-11-19 08:27:53,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:53,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:53,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:27:53,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:27:53,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,284 INFO L138 Inliner]: procedures = 68, calls = 170, calls flagged for inlining = 22, calls inlined = 15, statements flattened = 343 [2022-11-19 08:27:53,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:53,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:27:53,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:27:53,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:27:53,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:27:53,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:27:53,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:27:53,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:27:53,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (1/1) ... [2022-11-19 08:27:53,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:53,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:53,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:27:53,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:27:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:27:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:27:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:27:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:27:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:27:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:27:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:27:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:27:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-19 08:27:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-19 08:27:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:27:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:27:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:27:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:27:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:27:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:27:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:27:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:27:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:27:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:27:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:27:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:27:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:27:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:27:53,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:27:53,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:27:53,831 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:27:54,237 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:27:54,416 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:27:54,416 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:27:54,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:54 BoogieIcfgContainer [2022-11-19 08:27:54,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:27:54,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:27:54,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:27:54,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:27:54,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:27:51" (1/3) ... [2022-11-19 08:27:54,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4477f8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:54, skipping insertion in model container [2022-11-19 08:27:54,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:53" (2/3) ... [2022-11-19 08:27:54,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4477f8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:54, skipping insertion in model container [2022-11-19 08:27:54,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:54" (3/3) ... [2022-11-19 08:27:54,431 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2022-11-19 08:27:54,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:27:54,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:27:54,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:27:54,537 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;@756222df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:27:54,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:27:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 45 states have (on average 1.488888888888889) internal successors, (67), 51 states have internal predecessors, (67), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 08:27:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:27:54,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:54,552 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 08:27:54,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:54,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1444022985, now seen corresponding path program 1 times [2022-11-19 08:27:54,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:54,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833430826] [2022-11-19 08:27:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 08:27:55,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:55,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833430826] [2022-11-19 08:27:55,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833430826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:55,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:55,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:27:55,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617152282] [2022-11-19 08:27:55,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:55,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:55,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:55,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:55,214 INFO L87 Difference]: Start difference. First operand has 65 states, 45 states have (on average 1.488888888888889) internal successors, (67), 51 states have internal predecessors, (67), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:27:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:55,340 INFO L93 Difference]: Finished difference Result 143 states and 208 transitions. [2022-11-19 08:27:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:55,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 45 [2022-11-19 08:27:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:55,351 INFO L225 Difference]: With dead ends: 143 [2022-11-19 08:27:55,351 INFO L226 Difference]: Without dead ends: 90 [2022-11-19 08:27:55,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:55,357 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 44 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:55,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 138 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-19 08:27:55,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-11-19 08:27:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 71 states have internal predecessors, (99), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 08:27:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2022-11-19 08:27:55,422 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 45 [2022-11-19 08:27:55,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:55,423 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2022-11-19 08:27:55,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:27:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2022-11-19 08:27:55,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-19 08:27:55,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:55,426 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 08:27:55,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:27:55,426 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:55,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:55,427 INFO L85 PathProgramCache]: Analyzing trace with hash -865740966, now seen corresponding path program 1 times [2022-11-19 08:27:55,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:55,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65867433] [2022-11-19 08:27:55,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:55,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 08:27:55,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:55,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65867433] [2022-11-19 08:27:55,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65867433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:55,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:55,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:27:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658791680] [2022-11-19 08:27:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:55,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:55,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:55,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:55,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:55,680 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:55,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:55,749 INFO L93 Difference]: Finished difference Result 133 states and 184 transitions. [2022-11-19 08:27:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:55,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2022-11-19 08:27:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:55,752 INFO L225 Difference]: With dead ends: 133 [2022-11-19 08:27:55,752 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 08:27:55,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:55,754 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:55,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 105 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:27:55,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 08:27:55,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-11-19 08:27:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 111 states have (on average 1.4414414414414414) internal successors, (160), 112 states have internal predecessors, (160), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 08:27:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2022-11-19 08:27:55,771 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 47 [2022-11-19 08:27:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:55,772 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2022-11-19 08:27:55,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2022-11-19 08:27:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-19 08:27:55,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:55,774 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 08:27:55,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:27:55,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:55,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:55,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1867962773, now seen corresponding path program 1 times [2022-11-19 08:27:55,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:55,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182298431] [2022-11-19 08:27:55,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:55,942 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 08:27:55,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:55,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182298431] [2022-11-19 08:27:55,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182298431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:55,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:55,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:27:55,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245555413] [2022-11-19 08:27:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:55,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:55,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:55,948 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:27:56,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:56,044 INFO L93 Difference]: Finished difference Result 229 states and 324 transitions. [2022-11-19 08:27:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:56,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2022-11-19 08:27:56,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:56,046 INFO L225 Difference]: With dead ends: 229 [2022-11-19 08:27:56,046 INFO L226 Difference]: Without dead ends: 123 [2022-11-19 08:27:56,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:56,048 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 44 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:56,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 110 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:56,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-19 08:27:56,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 118. [2022-11-19 08:27:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 103 states have (on average 1.4368932038834952) internal successors, (148), 104 states have internal predecessors, (148), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 08:27:56,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-11-19 08:27:56,073 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 49 [2022-11-19 08:27:56,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:56,076 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-11-19 08:27:56,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:27:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-11-19 08:27:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 08:27:56,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:56,085 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 08:27:56,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:27:56,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:56,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1553772374, now seen corresponding path program 1 times [2022-11-19 08:27:56,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:56,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764176086] [2022-11-19 08:27:56,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 08:27:56,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:56,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764176086] [2022-11-19 08:27:56,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764176086] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:56,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575593774] [2022-11-19 08:27:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:56,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:56,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:56,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:56,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:27:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:57,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 08:27:57,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 08:27:57,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:27:57,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575593774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:57,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:27:57,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 08:27:57,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680433833] [2022-11-19 08:27:57,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:57,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:27:57,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:27:57,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:27:57,099 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:57,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:57,202 INFO L93 Difference]: Finished difference Result 222 states and 314 transitions. [2022-11-19 08:27:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:27:57,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2022-11-19 08:27:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:57,208 INFO L225 Difference]: With dead ends: 222 [2022-11-19 08:27:57,209 INFO L226 Difference]: Without dead ends: 119 [2022-11-19 08:27:57,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:27:57,217 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 1 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:57,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 183 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-19 08:27:57,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-11-19 08:27:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 105 states have internal predecessors, (149), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 08:27:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-11-19 08:27:57,236 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 57 [2022-11-19 08:27:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:57,236 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-11-19 08:27:57,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-11-19 08:27:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 08:27:57,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:57,238 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 08:27:57,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:57,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:57,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:57,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:57,452 INFO L85 PathProgramCache]: Analyzing trace with hash 844595874, now seen corresponding path program 1 times [2022-11-19 08:27:57,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:57,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253181878] [2022-11-19 08:27:57,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:57,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:27:57,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:57,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253181878] [2022-11-19 08:27:57,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253181878] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:57,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909486714] [2022-11-19 08:27:57,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:57,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:57,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:57,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:57,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:27:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:58,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-19 08:27:58,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-19 08:27:58,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:27:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-19 08:27:58,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909486714] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:58,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:27:58,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 5] total 12 [2022-11-19 08:27:58,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578104853] [2022-11-19 08:27:58,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:58,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:27:58,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:58,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:27:58,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:27:58,840 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:58,999 INFO L93 Difference]: Finished difference Result 195 states and 279 transitions. [2022-11-19 08:27:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:27:59,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2022-11-19 08:27:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:59,002 INFO L225 Difference]: With dead ends: 195 [2022-11-19 08:27:59,002 INFO L226 Difference]: Without dead ends: 192 [2022-11-19 08:27:59,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:27:59,004 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 162 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:59,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 218 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:27:59,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-11-19 08:27:59,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 118. [2022-11-19 08:27:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.4230769230769231) internal successors, (148), 104 states have internal predecessors, (148), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 08:27:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 163 transitions. [2022-11-19 08:27:59,035 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 163 transitions. Word has length 59 [2022-11-19 08:27:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:59,035 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 163 transitions. [2022-11-19 08:27:59,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2022-11-19 08:27:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 08:27:59,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:59,040 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-19 08:27:59,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:59,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:59,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:59,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:59,248 INFO L85 PathProgramCache]: Analyzing trace with hash 709182008, now seen corresponding path program 1 times [2022-11-19 08:27:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:59,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514603497] [2022-11-19 08:27:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-19 08:27:59,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:59,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514603497] [2022-11-19 08:27:59,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514603497] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:27:59,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786839895] [2022-11-19 08:27:59,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:59,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:59,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:28:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:00,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:28:00,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-19 08:28:00,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:28:00,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786839895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:00,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:28:00,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-19 08:28:00,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744277643] [2022-11-19 08:28:00,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:00,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:28:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:28:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:28:00,449 INFO L87 Difference]: Start difference. First operand 118 states and 163 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:28:00,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:00,588 INFO L93 Difference]: Finished difference Result 193 states and 277 transitions. [2022-11-19 08:28:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:28:00,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 64 [2022-11-19 08:28:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:00,592 INFO L225 Difference]: With dead ends: 193 [2022-11-19 08:28:00,592 INFO L226 Difference]: Without dead ends: 186 [2022-11-19 08:28:00,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:28:00,593 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 50 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:00,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 174 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:28:00,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-11-19 08:28:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 119. [2022-11-19 08:28:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 105 states have internal predecessors, (150), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 08:28:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-11-19 08:28:00,605 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 64 [2022-11-19 08:28:00,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:00,606 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-11-19 08:28:00,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-19 08:28:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-11-19 08:28:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 08:28:00,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:00,608 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-19 08:28:00,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:28:00,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:00,815 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:28:00,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:00,815 INFO L85 PathProgramCache]: Analyzing trace with hash 162513569, now seen corresponding path program 1 times [2022-11-19 08:28:00,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:00,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714270273] [2022-11-19 08:28:00,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:00,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-19 08:28:01,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:01,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714270273] [2022-11-19 08:28:01,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714270273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:28:01,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476512591] [2022-11-19 08:28:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:01,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:01,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:01,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:28:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:01,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-19 08:28:01,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-19 08:28:01,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-19 08:28:01,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476512591] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:28:01,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [68530321] [2022-11-19 08:28:01,806 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2022-11-19 08:28:01,806 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:28:01,811 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:28:01,822 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:28:01,823 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:28:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,637 INFO L321 Elim1Store]: treesize reduction 364, result has 25.3 percent of original size [2022-11-19 08:28:02,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 59 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 79 treesize of output 181 [2022-11-19 08:28:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:02,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 68 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 91 [2022-11-19 08:28:03,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:28:03,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:28:03,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 08:28:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 40 [2022-11-19 08:28:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 68 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2022-11-19 08:28:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:03,919 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-19 08:28:03,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 77 select indices, 77 select index equivalence classes, 698 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 0 case distinctions, treesize of input 680 treesize of output 232 [2022-11-19 08:28:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 77 select indices, 77 select index equivalence classes, 698 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 0 case distinctions, treesize of input 680 treesize of output 232 [2022-11-19 08:28:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:04,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 68 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2022-11-19 08:28:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:05,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 40 [2022-11-19 08:28:05,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:28:05,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:05,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:05,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:05,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:28:05,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:28:05,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:28:05,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:28:05,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:28:05,875 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:28:05,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 103 [2022-11-19 08:28:05,909 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 08:28:05,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 101 [2022-11-19 08:28:05,965 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:28:05,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 95 [2022-11-19 08:28:06,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:06,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:28:06,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:06,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:28:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:28:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:28:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:28:06,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:28:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:06,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:28:14,303 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 76 for LOIs [2022-11-19 08:28:14,346 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 265 for LOIs [2022-11-19 08:28:15,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:28:15,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:15,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:15,249 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 560 for LOIs [2022-11-19 08:28:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-11-19 08:28:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,016 INFO L321 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2022-11-19 08:28:17,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 83 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 77 treesize of output 145 [2022-11-19 08:28:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 08:28:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:17,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:28:18,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-11-19 08:28:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,745 INFO L321 Elim1Store]: treesize reduction 162, result has 33.6 percent of original size [2022-11-19 08:28:18,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 82 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 18 case distinctions, treesize of input 77 treesize of output 149 [2022-11-19 08:28:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 08:28:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:18,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:28:20,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-11-19 08:28:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 113 [2022-11-19 08:28:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 08:28:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:20,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:28:20,575 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 571 for LOIs [2022-11-19 08:28:21,151 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 60 for LOIs [2022-11-19 08:28:21,162 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 53 for LOIs [2022-11-19 08:28:21,168 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:28:35,130 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 573 DAG size of output: 546 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:41,095 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 571 DAG size of output: 523 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:28:47,880 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 572 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:29:04,627 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3627#(and (= |~#__kstrtab_pppox_ioctl~0.base| 7) (= 0 |~#__kstrtab_register_pppox_proto~0.offset|) (= 5 |~#pppox_proto_family~0.base|) (= ~LDV_IN_INTERRUPT~0 1) (= |~#__kstrtab_register_pppox_proto~0.base| 6) (not (= ~ldv_module_refcounter~0 1)) (= |~#__kstrtab_pppox_unbind_sock~0.offset| 0) (<= 0 ~ldv_state_variable_1~0) (= 9 |~#__kstrtab_unregister_pppox_proto~0.base|) (= ~ldv_state_variable_0~0 2) (= ~ref_cnt~0 0) (= |~#__kstrtab_pppox_unbind_sock~0.base| 10) (= |~#pppox_proto_family~0.offset| 0) (= |#NULL.offset| 0) (= |~#pppox_protos~0.offset| 0) (= |~#__kstrtab_unregister_pppox_proto~0.offset| 0) (= 8 |~#pppox_protos~0.base|) (= ~ldv_retval_0~0 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |~#__kstrtab_pppox_ioctl~0.offset| 0))' at error location [2022-11-19 08:29:04,628 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:29:04,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:29:04,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-19 08:29:04,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384977119] [2022-11-19 08:29:04,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:29:04,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 08:29:04,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:04,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 08:29:04,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2561, Unknown=0, NotChecked=0, Total=2756 [2022-11-19 08:29:04,631 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:29:04,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:04,984 INFO L93 Difference]: Finished difference Result 227 states and 322 transitions. [2022-11-19 08:29:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 08:29:04,985 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2022-11-19 08:29:04,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:04,986 INFO L225 Difference]: With dead ends: 227 [2022-11-19 08:29:04,986 INFO L226 Difference]: Without dead ends: 122 [2022-11-19 08:29:04,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 43.7s TimeCoverageRelationStatistics Valid=215, Invalid=2755, Unknown=0, NotChecked=0, Total=2970 [2022-11-19 08:29:04,988 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 5 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:04,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 283 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:29:04,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-19 08:29:04,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-19 08:29:04,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 108 states have internal predecessors, (153), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 08:29:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2022-11-19 08:29:04,998 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 70 [2022-11-19 08:29:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:04,999 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2022-11-19 08:29:04,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.375) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:29:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2022-11-19 08:29:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-19 08:29:05,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:05,000 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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] [2022-11-19 08:29:05,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:29:05,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:29:05,207 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:05,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:05,208 INFO L85 PathProgramCache]: Analyzing trace with hash -838012263, now seen corresponding path program 2 times [2022-11-19 08:29:05,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:05,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376395329] [2022-11-19 08:29:05,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:05,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 7 proven. 41 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-19 08:29:10,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:10,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376395329] [2022-11-19 08:29:10,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376395329] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:29:10,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46410854] [2022-11-19 08:29:10,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:29:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:29:10,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:10,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:29:10,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:29:10,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 08:29:10,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:29:10,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-19 08:29:10,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:10,948 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:10,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 80 [2022-11-19 08:29:10,961 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:10,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 59 [2022-11-19 08:29:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-19 08:29:11,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:29:11,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46410854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:11,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:29:11,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 25 [2022-11-19 08:29:11,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058742882] [2022-11-19 08:29:11,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:11,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:29:11,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:11,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:29:11,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-11-19 08:29:11,168 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 08:29:11,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:11,517 INFO L93 Difference]: Finished difference Result 268 states and 387 transitions. [2022-11-19 08:29:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 08:29:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 76 [2022-11-19 08:29:11,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:11,521 INFO L225 Difference]: With dead ends: 268 [2022-11-19 08:29:11,521 INFO L226 Difference]: Without dead ends: 263 [2022-11-19 08:29:11,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-11-19 08:29:11,522 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 162 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:11,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 151 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:29:11,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-11-19 08:29:11,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 196. [2022-11-19 08:29:11,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 180 states have (on average 1.45) internal successors, (261), 181 states have internal predecessors, (261), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2022-11-19 08:29:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 280 transitions. [2022-11-19 08:29:11,546 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 280 transitions. Word has length 76 [2022-11-19 08:29:11,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:11,547 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 280 transitions. [2022-11-19 08:29:11,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 08:29:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 280 transitions. [2022-11-19 08:29:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-19 08:29:11,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:11,555 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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] [2022-11-19 08:29:11,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:29:11,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-19 08:29:11,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:11,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:11,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1209189617, now seen corresponding path program 1 times [2022-11-19 08:29:11,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:11,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074938667] [2022-11-19 08:29:11,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:11,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-19 08:29:12,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:12,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074938667] [2022-11-19 08:29:12,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074938667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:12,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:12,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 08:29:12,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400895847] [2022-11-19 08:29:12,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:12,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:29:12,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:29:12,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:29:12,320 INFO L87 Difference]: Start difference. First operand 196 states and 280 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-19 08:29:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:12,549 INFO L93 Difference]: Finished difference Result 356 states and 516 transitions. [2022-11-19 08:29:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:29:12,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 78 [2022-11-19 08:29:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:12,552 INFO L225 Difference]: With dead ends: 356 [2022-11-19 08:29:12,552 INFO L226 Difference]: Without dead ends: 351 [2022-11-19 08:29:12,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:29:12,553 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 111 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:12,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 211 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:29:12,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-11-19 08:29:12,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 242. [2022-11-19 08:29:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 222 states have (on average 1.4504504504504505) internal successors, (322), 225 states have internal predecessors, (322), 11 states have call successors, (11), 7 states have call predecessors, (11), 8 states have return successors, (14), 9 states have call predecessors, (14), 10 states have call successors, (14) [2022-11-19 08:29:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 347 transitions. [2022-11-19 08:29:12,575 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 347 transitions. Word has length 78 [2022-11-19 08:29:12,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:12,576 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 347 transitions. [2022-11-19 08:29:12,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-19 08:29:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 347 transitions. [2022-11-19 08:29:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-19 08:29:12,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:12,578 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:12,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:29:12,578 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:12,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash 80301855, now seen corresponding path program 1 times [2022-11-19 08:29:12,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:12,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926015174] [2022-11-19 08:29:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:12,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 41 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 08:29:16,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:16,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926015174] [2022-11-19 08:29:16,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926015174] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:29:16,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012133394] [2022-11-19 08:29:16,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:29:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:16,898 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:29:16,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:29:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:17,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-19 08:29:17,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:29:17,819 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:17,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 80 [2022-11-19 08:29:17,831 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:17,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 59 [2022-11-19 08:29:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-19 08:29:18,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:29:18,434 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:18,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 243 treesize of output 182 [2022-11-19 08:29:18,467 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:29:18,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2022-11-19 08:29:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-19 08:29:18,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012133394] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:29:18,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2023554771] [2022-11-19 08:29:18,778 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2022-11-19 08:29:18,778 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:29:18,779 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:29:18,779 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:29:18,779 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:29:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:19,232 INFO L321 Elim1Store]: treesize reduction 221, result has 34.0 percent of original size [2022-11-19 08:29:19,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 49 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 154 [2022-11-19 08:29:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:19,737 INFO L321 Elim1Store]: treesize reduction 364, result has 25.3 percent of original size [2022-11-19 08:29:19,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 59 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 79 treesize of output 181 [2022-11-19 08:29:20,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:29:20,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:29:20,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 08:29:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 68 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2022-11-19 08:29:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 77 select indices, 77 select index equivalence classes, 698 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 0 case distinctions, treesize of input 680 treesize of output 232 [2022-11-19 08:29:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:20,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 40 [2022-11-19 08:29:21,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 40 [2022-11-19 08:29:21,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 68 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2022-11-19 08:29:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:21,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 77 select indices, 77 select index equivalence classes, 698 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 0 case distinctions, treesize of input 680 treesize of output 232 [2022-11-19 08:29:21,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:29:21,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:29:21,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:29:21,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:29:21,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:29:21,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:29:21,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:29:21,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:29:21,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:29:21,968 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:29:21,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 103 [2022-11-19 08:29:21,999 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 08:29:21,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 101 [2022-11-19 08:29:22,024 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:29:22,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 95 [2022-11-19 08:29:22,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:29:22,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:29:22,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:29:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:29:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:29:22,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:29:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:29:22,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:29:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:22,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 19 [2022-11-19 08:29:30,912 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 76 for LOIs [2022-11-19 08:29:30,951 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 265 for LOIs [2022-11-19 08:29:31,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:29:31,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:29:31,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:29:31,657 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 560 for LOIs [2022-11-19 08:29:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 08:29:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:29:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-11-19 08:29:32,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:32,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:33,070 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-19 08:29:33,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 87 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 8 case distinctions, treesize of input 77 treesize of output 129 [2022-11-19 08:29:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-11-19 08:29:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,381 INFO L321 Elim1Store]: treesize reduction 180, result has 33.6 percent of original size [2022-11-19 08:29:34,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 81 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 20 case distinctions, treesize of input 77 treesize of output 153 [2022-11-19 08:29:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 08:29:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:34,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:29:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 81 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 104 [2022-11-19 08:29:36,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 113 [2022-11-19 08:29:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 08:29:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:29:36,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:29:36,444 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 571 for LOIs [2022-11-19 08:29:36,884 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 60 for LOIs [2022-11-19 08:29:36,895 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 53 for LOIs [2022-11-19 08:29:36,899 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:29:51,075 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 573 DAG size of output: 546 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:29:56,924 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 571 DAG size of output: 523 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:30:03,754 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 572 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:30:23,828 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6315#(and (= |~#__kstrtab_pppox_ioctl~0.base| 7) (= 0 |~#__kstrtab_register_pppox_proto~0.offset|) (= 5 |~#pppox_proto_family~0.base|) (= ~LDV_IN_INTERRUPT~0 1) (= |~#__kstrtab_register_pppox_proto~0.base| 6) (not (= ~ldv_module_refcounter~0 1)) (= |~#__kstrtab_pppox_unbind_sock~0.offset| 0) (<= 0 ~ldv_state_variable_1~0) (= 9 |~#__kstrtab_unregister_pppox_proto~0.base|) (= ~ldv_state_variable_0~0 2) (= ~ref_cnt~0 0) (= |~#__kstrtab_pppox_unbind_sock~0.base| 10) (= |~#pppox_proto_family~0.offset| 0) (= |#NULL.offset| 0) (= |~#pppox_protos~0.offset| 0) (= |~#__kstrtab_unregister_pppox_proto~0.offset| 0) (= 8 |~#pppox_protos~0.base|) (= ~ldv_retval_0~0 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |~#__kstrtab_pppox_ioctl~0.offset| 0))' at error location [2022-11-19 08:30:23,829 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:30:23,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:30:23,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9, 9] total 33 [2022-11-19 08:30:23,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532510077] [2022-11-19 08:30:23,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:30:23,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-19 08:30:23,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:23,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-19 08:30:23,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=5205, Unknown=0, NotChecked=0, Total=5700 [2022-11-19 08:30:23,833 INFO L87 Difference]: Start difference. First operand 242 states and 347 transitions. Second operand has 33 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 30 states have internal predecessors, (109), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2022-11-19 08:30:26,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:26,057 INFO L93 Difference]: Finished difference Result 336 states and 488 transitions. [2022-11-19 08:30:26,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 08:30:26,058 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 30 states have internal predecessors, (109), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 85 [2022-11-19 08:30:26,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:26,059 INFO L225 Difference]: With dead ends: 336 [2022-11-19 08:30:26,059 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:30:26,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2440 ImplicationChecksByTransitivity, 49.3s TimeCoverageRelationStatistics Valid=740, Invalid=7092, Unknown=0, NotChecked=0, Total=7832 [2022-11-19 08:30:26,062 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 515 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:26,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 899 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 08:30:26,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:30:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:30:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:30:26,063 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2022-11-19 08:30:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:26,064 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:30:26,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 30 states have internal predecessors, (109), 6 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2022-11-19 08:30:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:30:26,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:30:26,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:30:26,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:30:26,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 08:30:26,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:30:27,001 INFO L902 garLoopResultBuilder]: At program point L5899(line 5899) the Hoare annotation is: true [2022-11-19 08:30:27,002 INFO L899 garLoopResultBuilder]: For program point L5899-1(line 5899) no Hoare annotation was computed. [2022-11-19 08:30:27,002 INFO L902 garLoopResultBuilder]: At program point L5901(line 5901) the Hoare annotation is: true [2022-11-19 08:30:27,002 INFO L899 garLoopResultBuilder]: For program point ldv_init_zallocEXIT(lines 5894 5904) no Hoare annotation was computed. [2022-11-19 08:30:27,002 INFO L899 garLoopResultBuilder]: For program point L5901-1(line 5901) no Hoare annotation was computed. [2022-11-19 08:30:27,002 INFO L902 garLoopResultBuilder]: At program point ldv_init_zallocENTRY(lines 5894 5904) the Hoare annotation is: true [2022-11-19 08:30:27,002 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5857 5859) the Hoare annotation is: true [2022-11-19 08:30:27,003 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5857 5859) no Hoare annotation was computed. [2022-11-19 08:30:27,003 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 6260 6266) the Hoare annotation is: true [2022-11-19 08:30:27,003 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6264) no Hoare annotation was computed. [2022-11-19 08:30:27,003 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 6260 6266) no Hoare annotation was computed. [2022-11-19 08:30:27,003 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5929 5935) no Hoare annotation was computed. [2022-11-19 08:30:27,003 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5929 5935) the Hoare annotation is: true [2022-11-19 08:30:27,004 INFO L895 garLoopResultBuilder]: At program point L6237(lines 6167 6242) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~#ldvarg2~0#1.base|) |ULTIMATE.start_main_~#ldvarg2~0#1.offset|) 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,004 INFO L895 garLoopResultBuilder]: At program point L6204(lines 6204 6209) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~#ldvarg2~0#1.base|) |ULTIMATE.start_main_~#ldvarg2~0#1.offset|) 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,004 INFO L895 garLoopResultBuilder]: At program point L6221(lines 6167 6242) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-11-19 08:30:27,004 INFO L899 garLoopResultBuilder]: For program point L6180(lines 6180 6236) no Hoare annotation was computed. [2022-11-19 08:30:27,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:30:27,005 INFO L899 garLoopResultBuilder]: For program point L6362(lines 6362 6365) no Hoare annotation was computed. [2022-11-19 08:30:27,005 INFO L902 garLoopResultBuilder]: At program point L6362-1(lines 6359 6368) the Hoare annotation is: true [2022-11-19 08:30:27,005 INFO L895 garLoopResultBuilder]: At program point L6255(line 6255) the Hoare annotation is: false [2022-11-19 08:30:27,005 INFO L895 garLoopResultBuilder]: At program point L6255-1(lines 6252 6258) the Hoare annotation is: false [2022-11-19 08:30:27,005 INFO L899 garLoopResultBuilder]: For program point L6181(line 6181) no Hoare annotation was computed. [2022-11-19 08:30:27,005 INFO L899 garLoopResultBuilder]: For program point L6214-2(lines 6212 6224) no Hoare annotation was computed. [2022-11-19 08:30:27,006 INFO L895 garLoopResultBuilder]: At program point L6363(line 6363) the Hoare annotation is: false [2022-11-19 08:30:27,006 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= ~ldv_state_variable_1~0 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (not (= ~ldv_state_variable_0~0 3)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,006 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2022-11-19 08:30:27,006 INFO L899 garLoopResultBuilder]: For program point L6182(lines 6182 6197) no Hoare annotation was computed. [2022-11-19 08:30:27,006 INFO L895 garLoopResultBuilder]: At program point L6174(line 6174) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= ~ldv_state_variable_1~0 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (not (= ~ldv_state_variable_0~0 3)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,007 INFO L899 garLoopResultBuilder]: For program point L6174-1(line 6174) no Hoare annotation was computed. [2022-11-19 08:30:27,007 INFO L899 garLoopResultBuilder]: For program point L6108(lines 6108 6111) no Hoare annotation was computed. [2022-11-19 08:30:27,007 INFO L899 garLoopResultBuilder]: For program point L6199(line 6199) no Hoare annotation was computed. [2022-11-19 08:30:27,007 INFO L895 garLoopResultBuilder]: At program point L6133(lines 6106 6135) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (or (<= (+ (* 8 |ULTIMATE.start_pppox_create_~protocol#1|) |~#pppox_protos~0.offset| 1) 0) (= |ULTIMATE.start_pppox_create_~protocol#1| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#ldvarg2~0#1.base|) |ULTIMATE.start_main_~#ldvarg2~0#1.offset|) 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,007 INFO L895 garLoopResultBuilder]: At program point L6117(lines 6117 6130) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|)) (.cse1 (+ (* 8 |ULTIMATE.start_pppox_create_~protocol#1|) |~#pppox_protos~0.offset|))) (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select .cse0 |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= |ULTIMATE.start_pppox_create_~protocol#1| 0) (= (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse1) 0) (= |ULTIMATE.start_pppox_create_#t~mem51#1.base| (select .cse0 .cse1)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#ldvarg2~0#1.base|) |ULTIMATE.start_main_~#ldvarg2~0#1.offset|) 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (= |ULTIMATE.start_pppox_create_#t~mem51#1.offset| 0) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|))) [2022-11-19 08:30:27,008 INFO L899 garLoopResultBuilder]: For program point L6200(lines 6200 6232) no Hoare annotation was computed. [2022-11-19 08:30:27,008 INFO L899 garLoopResultBuilder]: For program point L6192(line 6192) no Hoare annotation was computed. [2022-11-19 08:30:27,008 INFO L899 garLoopResultBuilder]: For program point L6184(lines 6184 6194) no Hoare annotation was computed. [2022-11-19 08:30:27,008 INFO L899 garLoopResultBuilder]: For program point L6234(line 6234) no Hoare annotation was computed. [2022-11-19 08:30:27,008 INFO L899 garLoopResultBuilder]: For program point L6168-1(line 6168) no Hoare annotation was computed. [2022-11-19 08:30:27,008 INFO L895 garLoopResultBuilder]: At program point L6168(line 6168) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= ~ldv_state_variable_1~0 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (not (= ~ldv_state_variable_0~0 3)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,009 INFO L902 garLoopResultBuilder]: At program point L6193(line 6193) the Hoare annotation is: true [2022-11-19 08:30:27,009 INFO L899 garLoopResultBuilder]: For program point L6185(line 6185) no Hoare annotation was computed. [2022-11-19 08:30:27,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:30:27,009 INFO L902 garLoopResultBuilder]: At program point L6235(line 6235) the Hoare annotation is: true [2022-11-19 08:30:27,009 INFO L899 garLoopResultBuilder]: For program point L6202(lines 6202 6229) no Hoare annotation was computed. [2022-11-19 08:30:27,009 INFO L899 garLoopResultBuilder]: For program point L6227(line 6227) no Hoare annotation was computed. [2022-11-19 08:30:27,010 INFO L899 garLoopResultBuilder]: For program point L6186(lines 6186 6190) no Hoare annotation was computed. [2022-11-19 08:30:27,010 INFO L899 garLoopResultBuilder]: For program point L6211(line 6211) no Hoare annotation was computed. [2022-11-19 08:30:27,010 INFO L899 garLoopResultBuilder]: For program point L6203(line 6203) no Hoare annotation was computed. [2022-11-19 08:30:27,010 INFO L895 garLoopResultBuilder]: At program point L6170(line 6170) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= ~ldv_state_variable_1~0 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (not (= ~ldv_state_variable_0~0 3)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,010 INFO L895 garLoopResultBuilder]: At program point L6170-1(line 6170) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= ~ldv_state_variable_1~0 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (not (= ~ldv_state_variable_0~0 3)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,010 INFO L902 garLoopResultBuilder]: At program point L6228(line 6228) the Hoare annotation is: true [2022-11-19 08:30:27,011 INFO L899 garLoopResultBuilder]: For program point L6121-2(lines 6119 6130) no Hoare annotation was computed. [2022-11-19 08:30:27,011 INFO L895 garLoopResultBuilder]: At program point L6212(lines 6212 6225) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (not (= 8 |ULTIMATE.start_main_~#ldvarg2~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|)) (= |ULTIMATE.start_main_~#ldvarg2~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~#ldvarg2~0#1.base|) |ULTIMATE.start_main_~#ldvarg2~0#1.offset|) 0) (not (= 8 |ULTIMATE.start_main_~#ldvarg0~0#1.base|)) (= |~#pppox_protos~0.offset| 0) (= 8 |~#pppox_protos~0.base|)) [2022-11-19 08:30:27,011 INFO L899 garLoopResultBuilder]: For program point L6334(lines 6334 6341) no Hoare annotation was computed. [2022-11-19 08:30:27,011 INFO L899 garLoopResultBuilder]: For program point L6335-1(lines 6335 6338) no Hoare annotation was computed. [2022-11-19 08:30:27,011 INFO L899 garLoopResultBuilder]: For program point L6335(lines 6335 6338) no Hoare annotation was computed. [2022-11-19 08:30:27,012 INFO L902 garLoopResultBuilder]: At program point L6336(line 6336) the Hoare annotation is: true [2022-11-19 08:30:27,012 INFO L899 garLoopResultBuilder]: For program point L6334-2(lines 6331 6344) no Hoare annotation was computed. [2022-11-19 08:30:27,012 INFO L902 garLoopResultBuilder]: At program point ldv_module_putENTRY(lines 6331 6344) the Hoare annotation is: true [2022-11-19 08:30:27,012 INFO L899 garLoopResultBuilder]: For program point ldv_module_putEXIT(lines 6331 6344) no Hoare annotation was computed. [2022-11-19 08:30:27,012 INFO L895 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: (let ((.cse0 (= |ldv_memset_#Ultimate.C_memset_#ptr#1.offset| 0))) (let ((.cse1 (= |ldv_memset_#Ultimate.C_memset_#ptr#1.base| |ldv_memset_#in~s#1.base|)) (.cse2 (or (= |ldv_memset_#in~s#1.offset| |ldv_memset_#Ultimate.C_memset_#ptr#1.offset|) .cse0)) (.cse3 (= |ldv_memset_#Ultimate.C_memset_#value#1| |ldv_memset_#in~c#1|))) (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |ldv_memset_#Ultimate.C_memset_#ptr#1.base| (select |#memory_$Pointer$.base| |ldv_memset_#Ultimate.C_memset_#ptr#1.base|))) (or (not .cse0) (= |ldv_memset_#in~c#1| (select (select |#memory_int| |ldv_memset_#Ultimate.C_memset_#ptr#1.base|) 0))) .cse1 .cse2 .cse3 (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |ldv_memset_#Ultimate.C_memset_#ptr#1.base| (select |#memory_$Pointer$.offset| |ldv_memset_#Ultimate.C_memset_#ptr#1.base|)))) (and (= |ldv_memset_#Ultimate.C_memset_#t~loopctr92#1| 0) .cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2 .cse3 (= |ldv_memset_#in~n#1| |ldv_memset_#Ultimate.C_memset_#amount#1|)) (= ~ldv_state_variable_0~0 3)))) [2022-11-19 08:30:27,012 INFO L895 garLoopResultBuilder]: At program point ldv_memsetENTRY(lines 5905 5912) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= ~ldv_state_variable_0~0 3)) [2022-11-19 08:30:27,013 INFO L899 garLoopResultBuilder]: For program point ldv_memsetEXIT(lines 5905 5912) no Hoare annotation was computed. [2022-11-19 08:30:27,013 INFO L902 garLoopResultBuilder]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2022-11-19 08:30:27,013 INFO L899 garLoopResultBuilder]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:30:27,016 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:27,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:30:27,032 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,032 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,035 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,035 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,041 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,041 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,042 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,042 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,042 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,042 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,043 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,043 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,043 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,043 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,044 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,045 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,046 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,046 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,046 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,046 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,047 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,047 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,047 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,047 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,047 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,048 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,049 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,049 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,049 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,049 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,050 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,050 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,050 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,050 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,051 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,051 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,055 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,055 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,055 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,055 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,056 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,056 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,056 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,057 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,057 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,057 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,057 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,057 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,069 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,070 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,071 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,071 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,072 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,072 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,073 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,073 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,074 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,078 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,079 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,080 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,081 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,087 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,087 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,088 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,088 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,089 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,089 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,090 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,090 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,090 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:30:27 BoogieIcfgContainer [2022-11-19 08:30:27,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:30:27,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:30:27,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:30:27,095 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:30:27,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:54" (3/4) ... [2022-11-19 08:30:27,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:30:27,103 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-19 08:30:27,103 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-19 08:30:27,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2022-11-19 08:30:27,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2022-11-19 08:30:27,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 08:30:27,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2022-11-19 08:30:27,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2022-11-19 08:30:27,112 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2022-11-19 08:30:27,113 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-19 08:30:27,114 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-19 08:30:27,114 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:30:27,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(ldv_state_variable_1 == 0) || !(ldv_module_refcounter == 1)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$)[#Ultimate.C_memset_#ptr#1 := #memory_$Pointer$[#Ultimate.C_memset_#ptr#1]] && (!(#Ultimate.C_memset_#ptr#1 == 0) || \old(c) == unknown-#memory_int-unknown[#Ultimate.C_memset_#ptr#1][0])) && #Ultimate.C_memset_#ptr#1 == s) && (s == #Ultimate.C_memset_#ptr#1 || #Ultimate.C_memset_#ptr#1 == 0)) && unknown-#value-unknown == \old(c)) && #memory_$Pointer$ == \old(#memory_$Pointer$)[#Ultimate.C_memset_#ptr#1 := #memory_$Pointer$[#Ultimate.C_memset_#ptr#1]])) || ((((((aux-#t~loopctr92-aux == 0 && #Ultimate.C_memset_#ptr#1 == s) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && (s == #Ultimate.C_memset_#ptr#1 || #Ultimate.C_memset_#ptr#1 == 0)) && unknown-#value-unknown == \old(c)) && \old(n) == unknown-#amount-unknown)) || ldv_state_variable_0 == 3 [2022-11-19 08:30:27,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:30:27,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:30:27,184 INFO L158 Benchmark]: Toolchain (without parser) took 155444.91ms. Allocated memory was 127.9MB in the beginning and 992.0MB in the end (delta: 864.0MB). Free memory was 77.7MB in the beginning and 903.5MB in the end (delta: -825.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,185 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:30:27,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.29ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 77.5MB in the beginning and 88.6MB in the end (delta: -11.1MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.01ms. Allocated memory is still 167.8MB. Free memory was 88.6MB in the beginning and 85.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,186 INFO L158 Benchmark]: Boogie Preprocessor took 90.36ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 82.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,186 INFO L158 Benchmark]: RCFGBuilder took 1039.59ms. Allocated memory is still 167.8MB. Free memory was 82.0MB in the beginning and 89.3MB in the end (delta: -7.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,186 INFO L158 Benchmark]: TraceAbstraction took 152670.35ms. Allocated memory was 167.8MB in the beginning and 992.0MB in the end (delta: 824.2MB). Free memory was 88.8MB in the beginning and 910.8MB in the end (delta: -822.0MB). Peak memory consumption was 582.0MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,187 INFO L158 Benchmark]: Witness Printer took 92.00ms. Allocated memory is still 992.0MB. Free memory was 910.8MB in the beginning and 903.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:30:27,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.29ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 77.5MB in the beginning and 88.6MB in the end (delta: -11.1MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.01ms. Allocated memory is still 167.8MB. Free memory was 88.6MB in the beginning and 85.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.36ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 82.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1039.59ms. Allocated memory is still 167.8MB. Free memory was 82.0MB in the beginning and 89.3MB in the end (delta: -7.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 152670.35ms. Allocated memory was 167.8MB in the beginning and 992.0MB in the end (delta: 824.2MB). Free memory was 88.8MB in the beginning and 910.8MB in the end (delta: -822.0MB). Peak memory consumption was 582.0MB. Max. memory is 16.1GB. * Witness Printer took 92.00ms. Allocated memory is still 992.0MB. Free memory was 910.8MB in the beginning and 903.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6264]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 152.5s, OverallIterations: 10, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1135 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1135 mSDsluCounter, 2472 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1765 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1245 IncrementalHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 707 mSDtfsCounter, 1245 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 888 GetRequests, 686 SyntacticMatches, 3 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3292 ImplicationChecksByTransitivity, 94.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=9, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 325 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 74 PreInvPairs, 125 NumberOfFragments, 571 HoareAnnotationTreeSize, 74 FomulaSimplifications, 1137 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 2692 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 1041 NumberOfCodeBlocks, 1027 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1236 ConstructedInterpolants, 0 QuantifiedInterpolants, 4854 SizeOfPredicates, 113 NumberOfNonLiveVariables, 4814 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 19 InterpolantComputations, 8 PerfectInterpolantSequences, 588/699 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6167]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 6359]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6167]: Loop Invariant [2022-11-19 08:30:27,203 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,203 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,203 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,204 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((ldv_module_refcounter == 1 && !(8 == ldvarg2)) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && ldvarg2 == 0) && unknown-#memory_int-unknown[ldvarg2][ldvarg2] == 0) && !(8 == ldvarg0)) && pppox_protos == 0) && 8 == pppox_protos - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5929]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant [2022-11-19 08:30:27,204 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,205 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,205 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,205 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,205 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,205 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,206 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,206 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,206 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,206 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,206 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,207 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,207 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,207 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,207 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,207 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,207 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,208 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,208 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,208 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,208 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,208 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,209 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,209 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,209 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,210 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,210 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,210 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,210 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,210 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,211 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,211 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,211 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,211 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,211 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,212 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,212 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,212 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,212 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,212 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,212 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,213 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,213 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-19 08:30:27,213 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled Derived loop invariant: (((!(ldv_state_variable_1 == 0) || !(ldv_module_refcounter == 1)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$)[#Ultimate.C_memset_#ptr#1 := #memory_$Pointer$[#Ultimate.C_memset_#ptr#1]] && (!(#Ultimate.C_memset_#ptr#1 == 0) || \old(c) == unknown-#memory_int-unknown[#Ultimate.C_memset_#ptr#1][0])) && #Ultimate.C_memset_#ptr#1 == s) && (s == #Ultimate.C_memset_#ptr#1 || #Ultimate.C_memset_#ptr#1 == 0)) && unknown-#value-unknown == \old(c)) && #memory_$Pointer$ == \old(#memory_$Pointer$)[#Ultimate.C_memset_#ptr#1 := #memory_$Pointer$[#Ultimate.C_memset_#ptr#1]])) || ((((((aux-#t~loopctr92-aux == 0 && #Ultimate.C_memset_#ptr#1 == s) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && (s == #Ultimate.C_memset_#ptr#1 || #Ultimate.C_memset_#ptr#1 == 0)) && unknown-#value-unknown == \old(c)) && \old(n) == unknown-#amount-unknown)) || ldv_state_variable_0 == 3 - InvariantResult [Line: 6117]: Loop Invariant [2022-11-19 08:30:27,214 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,214 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,214 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,215 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,215 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,215 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((ldv_module_refcounter == 1 && !(8 == ldvarg2)) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && ldvarg2 == 0) && protocol == 0) && #memory_$Pointer$[pppox_protos][8 * protocol + pppox_protos] == 0) && pppox_protos[protocol] == #memory_$Pointer$[pppox_protos][8 * protocol + pppox_protos]) && unknown-#memory_int-unknown[ldvarg2][ldvarg2] == 0) && !(8 == ldvarg0)) && pppox_protos[protocol] == 0) && pppox_protos == 0) && 8 == pppox_protos - InvariantResult [Line: 6212]: Loop Invariant [2022-11-19 08:30:27,216 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,216 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,217 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,217 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((ldv_module_refcounter == 1 && !(8 == ldvarg2)) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && ldvarg2 == 0) && unknown-#memory_int-unknown[ldvarg2][ldvarg2] == 0) && !(8 == ldvarg0)) && pppox_protos == 0) && 8 == pppox_protos - InvariantResult [Line: 6170]: Loop Invariant [2022-11-19 08:30:27,218 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,218 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,218 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,218 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((ldv_module_refcounter == 1 && !(8 == ldvarg2)) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && ldvarg2 == 0) && ldv_state_variable_1 == 0) && !(8 == ldvarg0)) && !(ldv_state_variable_0 == 3)) && pppox_protos == 0) && 8 == pppox_protos - InvariantResult [Line: 6204]: Loop Invariant [2022-11-19 08:30:27,219 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,219 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,219 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,220 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((ldv_module_refcounter == 1 && !(8 == ldvarg2)) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && ldvarg2 == 0) && unknown-#memory_int-unknown[ldvarg2][ldvarg2] == 0) && !(8 == ldvarg0)) && pppox_protos == 0) && 8 == pppox_protos - InvariantResult [Line: 6106]: Loop Invariant [2022-11-19 08:30:27,220 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,220 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-19 08:30:27,221 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-19 08:30:27,221 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((ldv_module_refcounter == 1 && !(8 == ldvarg2)) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && 0 == #memory_$Pointer$[pppox_protos][pppox_protos]) && ldvarg2 == 0) && (8 * protocol + pppox_protos + 1 <= 0 || protocol == 0)) && unknown-#memory_int-unknown[ldvarg2][ldvarg2] == 0) && !(8 == ldvarg0)) && pppox_protos == 0) && 8 == pppox_protos RESULT: Ultimate proved your program to be correct! [2022-11-19 08:30:27,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec815bc-3cef-4229-af9a-074e99ea7bd7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE