./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/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 32bit --witnessprinter.graph.data.programhash 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:34:15,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:34:15,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:34:15,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:34:15,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:34:15,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:34:15,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:34:15,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:34:15,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:34:15,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:34:15,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:34:15,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:34:15,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:34:15,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:34:15,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:34:15,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:34:15,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:34:15,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:34:15,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:34:15,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:34:15,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:34:15,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:34:15,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:34:15,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:34:15,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:34:15,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:34:15,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:34:15,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:34:15,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:34:15,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:34:15,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:34:15,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:34:15,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:34:15,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:34:15,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:34:15,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:34:15,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:34:15,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:34:15,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:34:15,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:34:15,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:34:15,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:34:15,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:34:15,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:34:15,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:34:15,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:34:15,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:34:15,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:34:15,891 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:34:15,891 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:34:15,892 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:34:15,892 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:34:15,892 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:34:15,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:34:15,893 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:34:15,893 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:34:15,893 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:34:15,894 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:34:15,894 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:34:15,894 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:34:15,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:34:15,895 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:34:15,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:34:15,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:34:15,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:34:15,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:34:15,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:34:15,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:34:15,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:34:15,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:34:15,898 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:34:15,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:34:15,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:34:15,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:34:15,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:34:15,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:34:15,899 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:34:15,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:34:15,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:34:15,900 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:34:15,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:34:15,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:34:15,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:34:15,901 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 [2022-11-19 07:34:16,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:34:16,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:34:16,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:34:16,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:34:16,248 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:34:16,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2022-11-19 07:34:16,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/40787b3e2/7adad0080db149179835578cb124b3ae/FLAGc1afd2df5 [2022-11-19 07:34:16,931 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:34:16,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2022-11-19 07:34:16,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/40787b3e2/7adad0080db149179835578cb124b3ae/FLAGc1afd2df5 [2022-11-19 07:34:17,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/40787b3e2/7adad0080db149179835578cb124b3ae [2022-11-19 07:34:17,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:34:17,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:34:17,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:34:17,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:34:17,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:34:17,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f468a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17, skipping insertion in model container [2022-11-19 07:34:17,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:34:17,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:34:17,622 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/sv-benchmarks/c/list-simple/dll2n_append_unequal.i[24457,24470] [2022-11-19 07:34:17,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:34:17,634 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:34:17,710 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/sv-benchmarks/c/list-simple/dll2n_append_unequal.i[24457,24470] [2022-11-19 07:34:17,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:34:17,745 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:34:17,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17 WrapperNode [2022-11-19 07:34:17,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:34:17,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:34:17,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:34:17,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:34:17,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,827 INFO L138 Inliner]: procedures = 127, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 138 [2022-11-19 07:34:17,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:34:17,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:34:17,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:34:17,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:34:17,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:34:17,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:34:17,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:34:17,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:34:17,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (1/1) ... [2022-11-19 07:34:17,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:34:17,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:17,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:34:17,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:34:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:34:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:34:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-19 07:34:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-19 07:34:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:34:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:34:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:34:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:34:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:34:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:34:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:34:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:34:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:34:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:34:18,188 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:34:18,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:34:18,469 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:34:18,513 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:34:18,514 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:34:18,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:18 BoogieIcfgContainer [2022-11-19 07:34:18,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:34:18,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:34:18,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:34:18,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:34:18,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:17" (1/3) ... [2022-11-19 07:34:18,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f80d52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:18, skipping insertion in model container [2022-11-19 07:34:18,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:17" (2/3) ... [2022-11-19 07:34:18,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f80d52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:18, skipping insertion in model container [2022-11-19 07:34:18,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:18" (3/3) ... [2022-11-19 07:34:18,528 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_append_unequal.i [2022-11-19 07:34:18,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:34:18,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:34:18,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:34:18,657 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;@3a9533cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:34:18,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:34:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 23 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:34:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:34:18,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:18,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:18,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:18,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1645558503, now seen corresponding path program 1 times [2022-11-19 07:34:18,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:18,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193300623] [2022-11-19 07:34:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:18,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:34:19,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:19,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193300623] [2022-11-19 07:34:19,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193300623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:19,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:19,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:34:19,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108660204] [2022-11-19 07:34:19,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:19,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:34:19,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:19,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:34:19,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:19,202 INFO L87 Difference]: Start difference. First operand has 27 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 23 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:34:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:19,259 INFO L93 Difference]: Finished difference Result 53 states and 77 transitions. [2022-11-19 07:34:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:34:19,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-19 07:34:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:19,270 INFO L225 Difference]: With dead ends: 53 [2022-11-19 07:34:19,270 INFO L226 Difference]: Without dead ends: 26 [2022-11-19 07:34:19,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:19,277 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:19,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 59 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:34:19,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-19 07:34:19,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-11-19 07:34:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:34:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2022-11-19 07:34:19,324 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 12 [2022-11-19 07:34:19,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:19,325 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2022-11-19 07:34:19,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:34:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-19 07:34:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:34:19,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:19,329 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:19,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:34:19,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:19,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:19,331 INFO L85 PathProgramCache]: Analyzing trace with hash 915268386, now seen corresponding path program 1 times [2022-11-19 07:34:19,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:19,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920476590] [2022-11-19 07:34:19,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:19,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:34:19,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:19,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920476590] [2022-11-19 07:34:19,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920476590] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:34:19,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866030423] [2022-11-19 07:34:19,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:19,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:19,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:19,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:34:19,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:34:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:19,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:34:19,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:19,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:34:19,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:34:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:34:19,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866030423] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:34:19,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2072352483] [2022-11-19 07:34:20,026 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-11-19 07:34:20,026 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:34:20,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:34:20,040 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:34:20,041 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:34:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,208 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:34:20,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:34:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:34:20,330 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 6 treesize of output 5 [2022-11-19 07:34:20,339 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 07:34:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:34:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:34:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:34:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:34:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:34:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:20,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:20,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 219 [2022-11-19 07:34:20,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:20,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 210 [2022-11-19 07:34:20,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:20,961 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 07:34:20,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 348 treesize of output 347 [2022-11-19 07:34:21,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:21,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:21,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 115 [2022-11-19 07:34:21,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 156 [2022-11-19 07:34:21,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 32 [2022-11-19 07:34:21,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:34:21,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2022-11-19 07:34:21,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 33 [2022-11-19 07:34:21,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-19 07:34:21,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:34:21,354 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 7 treesize of output 3 [2022-11-19 07:34:21,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:21,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:21,401 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 07:34:21,414 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 07:34:21,488 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 07:34:21,502 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 07:34:21,537 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 7 treesize of output 3 [2022-11-19 07:34:21,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:21,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 152 [2022-11-19 07:34:21,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:21,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 160 [2022-11-19 07:34:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:34:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:34:21,832 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:34:21,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 50 [2022-11-19 07:34:21,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-11-19 07:34:21,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:21,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2022-11-19 07:34:22,071 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:34:22,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 55 [2022-11-19 07:34:22,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-11-19 07:34:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:22,107 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-19 07:34:22,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 39 [2022-11-19 07:34:22,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:22,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 07:34:22,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 07:34:22,644 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:22,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:22,998 INFO L321 Elim1Store]: treesize reduction 69, result has 18.8 percent of original size [2022-11-19 07:34:22,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 324 treesize of output 263 [2022-11-19 07:34:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,060 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:23,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 196 [2022-11-19 07:34:23,092 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:23,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-19 07:34:23,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2022-11-19 07:34:23,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2022-11-19 07:34:23,154 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:23,156 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:23,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:23,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:23,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2022-11-19 07:34:23,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 137 [2022-11-19 07:34:23,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:34:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:34:23,411 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-19 07:34:23,411 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 197 treesize of output 174 [2022-11-19 07:34:23,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 126 [2022-11-19 07:34:23,488 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:34:23,489 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 2 case distinctions, treesize of input 190 treesize of output 149 [2022-11-19 07:34:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 119 [2022-11-19 07:34:23,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:23,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:23,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:23,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:23,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:23,942 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 07:34:23,943 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 232 treesize of output 220 [2022-11-19 07:34:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:23,985 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:23,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 227 treesize of output 213 [2022-11-19 07:34:24,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:24,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:24,015 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:24,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 227 treesize of output 213 [2022-11-19 07:34:24,278 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:34:24,435 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:34:28,645 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '245#(and (<= 1 |ULTIMATE.start_dll_create_~data#1|) (<= 2 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= (select |#length| |ULTIMATE.start_dll_append_~new_last~0#1.base|) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (or (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_dll_append_~new_last~0#1.offset|) |ULTIMATE.start_dll_append_~data#1|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (< |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_dll_append_#in~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (= (select |#valid| |ULTIMATE.start_dll_append_~new_last~0#1.base|) 1) (<= |#NULL.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (= |ULTIMATE.start_main_~uneq~0#1| |ULTIMATE.start_dll_append_#in~data#1|) (<= |ULTIMATE.start_dll_create_~data#1| 1) (= |ULTIMATE.start_main_~count~0#1| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (= |ULTIMATE.start_main_~data~0#1| 1) (<= |ULTIMATE.start_dll_create_#in~len#1| 2) (<= 5 |ULTIMATE.start_dll_append_#in~data#1|) (= |ULTIMATE.start_dll_append_#in~head#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= 1 |ULTIMATE.start_dll_create_#in~data#1|) (= |ULTIMATE.start_main_~len~0#1| 2) (<= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~head#1.offset|) (<= |ULTIMATE.start_dll_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_append_#in~head#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#in~head#1.base|) (<= |ULTIMATE.start_dll_append_#in~data#1| 5) (<= 0 |ULTIMATE.start_dll_append_~head#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|) (<= |ULTIMATE.start_dll_append_~data#1| 5) (<= 5 |ULTIMATE.start_dll_append_~data#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0) (= |#NULL.base| 0))' at error location [2022-11-19 07:34:28,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:34:28,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:34:28,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-11-19 07:34:28,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927417023] [2022-11-19 07:34:28,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:34:28,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:34:28,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:28,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:34:28,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:34:28,649 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-19 07:34:28,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:28,721 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2022-11-19 07:34:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:28,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 18 [2022-11-19 07:34:28,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:28,723 INFO L225 Difference]: With dead ends: 46 [2022-11-19 07:34:28,723 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 07:34:28,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:34:28,726 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:28,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 74 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:34:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 07:34:28,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 07:34:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:34:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2022-11-19 07:34:28,732 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 18 [2022-11-19 07:34:28,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:28,732 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-19 07:34:28,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-19 07:34:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-11-19 07:34:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:34:28,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:28,734 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:28,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:34:28,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:28,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:28,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:28,940 INFO L85 PathProgramCache]: Analyzing trace with hash 418919197, now seen corresponding path program 2 times [2022-11-19 07:34:28,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:28,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211851624] [2022-11-19 07:34:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:28,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:34:29,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:29,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211851624] [2022-11-19 07:34:29,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211851624] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:34:29,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093869470] [2022-11-19 07:34:29,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:34:29,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:29,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:29,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:34:29,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:34:29,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 07:34:29,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:34:29,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-19 07:34:29,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:29,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 07:34:29,963 WARN L859 $PredicateComparison]: unable to prove that (exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |c_#StackHeapBarrier|) (exists ((v_ArrVal_367 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_367) |c_#memory_$Pointer$.base|)))) is different from true [2022-11-19 07:34:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:29,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 07:34:29,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-19 07:34:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2022-11-19 07:34:30,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:34:30,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093869470] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:34:30,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1506179270] [2022-11-19 07:34:30,123 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-11-19 07:34:30,123 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:34:30,124 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:34:30,124 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:34:30,124 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:34:30,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,163 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:34:30,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:34:30,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:34:30,215 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 07:34:30,219 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 6 treesize of output 5 [2022-11-19 07:34:30,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:34:30,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:34:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:34:30,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:34:30,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:34:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:30,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-19 07:34:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:30,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-19 07:34:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2022-11-19 07:34:30,515 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 07:34:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:34:30,537 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 7 treesize of output 3 [2022-11-19 07:34:30,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:34:30,559 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 07:34:30,605 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 7 treesize of output 3 [2022-11-19 07:34:30,617 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 07:34:30,627 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 07:34:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:34:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:34:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2022-11-19 07:34:30,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:34:30,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 155 [2022-11-19 07:34:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:34:30,875 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:34:30,876 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 2 case distinctions, treesize of input 52 treesize of output 23 [2022-11-19 07:34:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-11-19 07:34:30,926 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-19 07:34:30,927 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 153 [2022-11-19 07:34:30,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:30,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 113 [2022-11-19 07:34:31,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,287 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:31,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 88 [2022-11-19 07:34:31,306 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 07:34:31,306 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 100 treesize of output 69 [2022-11-19 07:34:31,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:31,334 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:31,336 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:31,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 217 [2022-11-19 07:34:31,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 328 treesize of output 200 [2022-11-19 07:34:31,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,621 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:31,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 55 [2022-11-19 07:34:31,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 49 [2022-11-19 07:34:31,694 INFO L321 Elim1Store]: treesize reduction 10, result has 67.7 percent of original size [2022-11-19 07:34:31,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 58 [2022-11-19 07:34:31,725 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-19 07:34:31,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 38 [2022-11-19 07:34:31,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:31,749 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:31,751 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 152 [2022-11-19 07:34:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:31,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 160 [2022-11-19 07:34:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:34:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:31,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:34:32,051 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:34:32,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 50 [2022-11-19 07:34:32,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-11-19 07:34:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:32,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2022-11-19 07:34:32,207 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:34:32,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 55 [2022-11-19 07:34:32,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-11-19 07:34:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:32,234 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-19 07:34:32,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 39 [2022-11-19 07:34:32,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:32,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:32,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:32,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:32,505 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 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-19 07:34:32,521 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 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-19 07:34:32,532 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 15 treesize of output 1 [2022-11-19 07:34:32,638 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:34:32,742 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:34:35,209 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '467#(and (<= 1 |ULTIMATE.start_dll_create_~data#1|) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.base|) (<= 2 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~uneq~0#1| 5) (<= |ULTIMATE.start_dll_append_~head#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~data#1| 1) (= |ULTIMATE.start_main_~count~0#1| 0) (= |ULTIMATE.start_main_~data~0#1| 1) (<= |ULTIMATE.start_dll_create_#in~len#1| 2) (<= 5 |ULTIMATE.start_dll_append_#in~data#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= 1 |ULTIMATE.start_dll_create_#in~data#1|) (= |ULTIMATE.start_main_~len~0#1| 2) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~head#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.base|) (<= |ULTIMATE.start_dll_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_append_#in~head#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_append_#in~data#1| 5) (<= 0 |ULTIMATE.start_dll_append_~head#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_dll_append_~data#1| 5) (<= 5 |ULTIMATE.start_dll_append_~data#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0) (= |#NULL.base| 0))' at error location [2022-11-19 07:34:35,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:34:35,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:34:35,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2022-11-19 07:34:35,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81733086] [2022-11-19 07:34:35,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:34:35,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-19 07:34:35,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:35,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-19 07:34:35,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=946, Unknown=8, NotChecked=62, Total=1122 [2022-11-19 07:34:35,212 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 20 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-19 07:34:35,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:35,558 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2022-11-19 07:34:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 07:34:35,559 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2022-11-19 07:34:35,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:35,560 INFO L225 Difference]: With dead ends: 37 [2022-11-19 07:34:35,560 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 07:34:35,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=145, Invalid=1256, Unknown=9, NotChecked=72, Total=1482 [2022-11-19 07:34:35,562 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:35,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 206 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 31 Unchecked, 0.2s Time] [2022-11-19 07:34:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 07:34:35,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 07:34:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:34:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-11-19 07:34:35,567 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 24 [2022-11-19 07:34:35,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:35,567 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-11-19 07:34:35,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-19 07:34:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-19 07:34:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:34:35,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:35,568 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:35,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:34:35,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:35,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:35,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:35,775 INFO L85 PathProgramCache]: Analyzing trace with hash 66836649, now seen corresponding path program 1 times [2022-11-19 07:34:35,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:35,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891036496] [2022-11-19 07:34:35,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:35,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:34:37,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:37,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891036496] [2022-11-19 07:34:37,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891036496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:34:37,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028290336] [2022-11-19 07:34:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:37,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:37,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:34:37,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:34:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:37,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-19 07:34:37,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:37,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:34:37,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:34:37,871 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:34:37,871 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:34:37,974 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:34:37,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:34:38,090 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 07:34:38,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 07:34:38,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2022-11-19 07:34:38,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 07:34:38,196 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:34:38,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 07:34:38,370 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-19 07:34:38,370 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 85 treesize of output 30 [2022-11-19 07:34:38,379 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:34:38,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:38,502 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:34:38,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 79 [2022-11-19 07:34:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:38,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2022-11-19 07:34:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:38,540 INFO L321 Elim1Store]: treesize reduction 30, result has 47.4 percent of original size [2022-11-19 07:34:38,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 39 [2022-11-19 07:34:38,939 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-19 07:34:38,939 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 69 [2022-11-19 07:34:38,982 INFO L321 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2022-11-19 07:34:38,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 108 treesize of output 66 [2022-11-19 07:34:39,023 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-11-19 07:34:39,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 120 [2022-11-19 07:34:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:39,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 71 [2022-11-19 07:34:39,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2022-11-19 07:34:39,096 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-19 07:34:39,096 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 23 [2022-11-19 07:34:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:34:39,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:34:41,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028290336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:34:41,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1563814662] [2022-11-19 07:34:41,803 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-19 07:34:41,803 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:34:41,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:34:41,803 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:34:41,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:34:41,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,839 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:34:41,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:34:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:34:41,898 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 07:34:41,902 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 6 treesize of output 5 [2022-11-19 07:34:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:34:41,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:34:41,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:34:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:34:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:41,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:34:42,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 219 [2022-11-19 07:34:42,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:42,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 210 [2022-11-19 07:34:42,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:42,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 115 [2022-11-19 07:34:42,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-11-19 07:34:42,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-11-19 07:34:42,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:42,373 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 07:34:42,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:42,393 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 07:34:42,405 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 7 treesize of output 3 [2022-11-19 07:34:42,450 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 7 treesize of output 3 [2022-11-19 07:34:42,462 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 07:34:42,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:42,483 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 07:34:42,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:34:42,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2022-11-19 07:34:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 155 [2022-11-19 07:34:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:34:42,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:34:42,732 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:34:42,732 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 2 case distinctions, treesize of input 52 treesize of output 23 [2022-11-19 07:34:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-11-19 07:34:42,774 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-19 07:34:42,774 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 153 [2022-11-19 07:34:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:42,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 113 [2022-11-19 07:34:43,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,071 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:43,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 88 [2022-11-19 07:34:43,087 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 07:34:43,087 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 100 treesize of output 69 [2022-11-19 07:34:43,108 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,292 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:34:43,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 88 [2022-11-19 07:34:43,308 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 07:34:43,308 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 100 treesize of output 69 [2022-11-19 07:34:43,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:43,337 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:34:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 152 [2022-11-19 07:34:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 155 [2022-11-19 07:34:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:34:43,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:34:43,504 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:34:43,504 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 2 case distinctions, treesize of input 52 treesize of output 23 [2022-11-19 07:34:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-11-19 07:34:43,546 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:34:43,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 50 [2022-11-19 07:34:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-11-19 07:34:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:43,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2022-11-19 07:34:43,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:43,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:43,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:43,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:34:44,313 INFO L321 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-11-19 07:34:44,314 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 220 treesize of output 210 [2022-11-19 07:34:44,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:44,468 INFO L321 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2022-11-19 07:34:44,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 259 treesize of output 236 [2022-11-19 07:34:44,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:34:44,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:44,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:44,572 INFO L321 Elim1Store]: treesize reduction 112, result has 23.3 percent of original size [2022-11-19 07:34:44,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 243 treesize of output 222 [2022-11-19 07:34:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:44,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-11-19 07:34:44,989 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:34:45,102 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:34:51,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1563814662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:51,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:34:51,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [19, 21] total 50 [2022-11-19 07:34:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411300850] [2022-11-19 07:34:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:51,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-19 07:34:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-19 07:34:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=2875, Unknown=2, NotChecked=0, Total=3080 [2022-11-19 07:34:51,532 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:34:52,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:52,053 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2022-11-19 07:34:52,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-19 07:34:52,053 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-19 07:34:52,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:52,054 INFO L225 Difference]: With dead ends: 43 [2022-11-19 07:34:52,055 INFO L226 Difference]: Without dead ends: 40 [2022-11-19 07:34:52,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=203, Invalid=2875, Unknown=2, NotChecked=0, Total=3080 [2022-11-19 07:34:52,057 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 38 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:52,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 51 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 99 Unchecked, 0.5s Time] [2022-11-19 07:34:52,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-19 07:34:52,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2022-11-19 07:34:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:34:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2022-11-19 07:34:52,068 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 27 [2022-11-19 07:34:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:52,068 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2022-11-19 07:34:52,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:34:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-19 07:34:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:34:52,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:52,070 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:52,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 07:34:52,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-19 07:34:52,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:52,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:52,289 INFO L85 PathProgramCache]: Analyzing trace with hash -219279515, now seen corresponding path program 1 times [2022-11-19 07:34:52,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:52,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591983345] [2022-11-19 07:34:52,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:52,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:34:54,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:54,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591983345] [2022-11-19 07:34:54,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591983345] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:34:54,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104550028] [2022-11-19 07:34:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:54,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:34:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:54,344 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:34:54,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:34:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:55,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-19 07:34:55,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:55,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:34:55,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:34:55,388 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:34:55,389 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:34:55,565 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:34:55,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:34:55,708 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 07:34:55,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 07:34:55,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 17 treesize of output 21 [2022-11-19 07:34:55,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:34:55,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:34:55,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 07:34:56,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-11-19 07:34:56,161 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:34:56,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:34:56,175 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 7 treesize of output 3 [2022-11-19 07:34:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:56,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-11-19 07:34:56,368 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-19 07:34:56,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2022-11-19 07:34:56,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:34:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:56,405 INFO L321 Elim1Store]: treesize reduction 16, result has 44.8 percent of original size [2022-11-19 07:34:56,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 25 [2022-11-19 07:34:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:56,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 07:34:56,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:56,835 INFO L321 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2022-11-19 07:34:56,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 77 [2022-11-19 07:34:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:56,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2022-11-19 07:34:56,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:34:56,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 25 [2022-11-19 07:34:56,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-19 07:34:56,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-19 07:34:56,952 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 15 treesize of output 7 [2022-11-19 07:34:57,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:34:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:34:57,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:35:01,429 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_886 (Array Int Int)) (v_ArrVal_888 (Array Int Int)) (v_ArrVal_882 (Array Int Int)) (v_ArrVal_887 Int) (v_ArrVal_885 (Array Int Int)) (v_ArrVal_884 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|))) (select (select (store (store |c_#memory_int| .cse0 (store (select |c_#memory_int| .cse0) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4) v_ArrVal_887)) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_884) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_885) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_882) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_886) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_888) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2022-11-19 07:35:01,561 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_898 (Array Int Int)) (v_ArrVal_897 (Array Int Int)) (v_ArrVal_886 (Array Int Int)) (v_ArrVal_899 (Array Int Int)) (v_ArrVal_888 (Array Int Int)) (|v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| Int) (v_ArrVal_882 (Array Int Int)) (v_ArrVal_887 Int) (v_ArrVal_885 (Array Int Int)) (v_ArrVal_884 (Array Int Int))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23|) 0)) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse3 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_897))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_898)) (.cse1 (select (select .cse3 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|))) (select (select (store (let ((.cse0 (store |c_#memory_int| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_899))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select .cse2 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4) v_ArrVal_887))) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_884) (select (select (store (store .cse3 .cse1 v_ArrVal_885) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_882) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store .cse2 .cse1 v_ArrVal_886) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_888) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) (not (< |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| |c_#StackHeapBarrier|)))) is different from false [2022-11-19 07:35:01,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104550028] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:01,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [545339781] [2022-11-19 07:35:01,567 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-19 07:35:01,567 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:35:01,567 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:35:01,567 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:35:01,567 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:35:01,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,618 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:35:01,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:35:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:35:01,681 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 6 treesize of output 5 [2022-11-19 07:35:01,685 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 07:35:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:35:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:35:01,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:35:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:35:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:35:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:01,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 219 [2022-11-19 07:35:01,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:01,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:01,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 210 [2022-11-19 07:35:02,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 115 [2022-11-19 07:35:02,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-11-19 07:35:02,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2022-11-19 07:35:02,130 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 07:35:02,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:35:02,149 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 7 treesize of output 3 [2022-11-19 07:35:02,158 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 07:35:02,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:35:02,211 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 7 treesize of output 3 [2022-11-19 07:35:02,220 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 07:35:02,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:35:02,239 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 07:35:02,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 07:35:02,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2022-11-19 07:35:02,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 137 [2022-11-19 07:35:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:35:02,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:35:02,476 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-19 07:35:02,477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 197 treesize of output 174 [2022-11-19 07:35:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 126 [2022-11-19 07:35:02,541 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:35:02,541 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 2 case distinctions, treesize of input 190 treesize of output 149 [2022-11-19 07:35:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 119 [2022-11-19 07:35:02,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:02,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 110 [2022-11-19 07:35:02,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 112 [2022-11-19 07:35:02,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-11-19 07:35:02,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:02,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-11-19 07:35:02,900 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:02,902 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,092 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:03,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 88 [2022-11-19 07:35:03,107 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 07:35:03,108 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 100 treesize of output 69 [2022-11-19 07:35:03,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:03,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:03,137 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:03,138 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 152 [2022-11-19 07:35:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 160 [2022-11-19 07:35:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:35:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:35:03,328 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:35:03,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 50 [2022-11-19 07:35:03,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-11-19 07:35:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2022-11-19 07:35:03,472 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:35:03,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 55 [2022-11-19 07:35:03,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-11-19 07:35:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:03,494 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-19 07:35:03,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 39 [2022-11-19 07:35:03,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:03,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:03,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:03,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:04,028 INFO L321 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-11-19 07:35:04,028 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 220 treesize of output 210 [2022-11-19 07:35:04,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:04,148 INFO L321 Elim1Store]: treesize reduction 114, result has 21.9 percent of original size [2022-11-19 07:35:04,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 259 treesize of output 236 [2022-11-19 07:35:04,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:04,274 INFO L321 Elim1Store]: treesize reduction 112, result has 23.3 percent of original size [2022-11-19 07:35:04,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 239 treesize of output 218 [2022-11-19 07:35:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:04,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-11-19 07:35:05,498 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:35:05,596 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:35:13,820 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1002#(and (<= 0 |ULTIMATE.start_main_~count~0#1|) (<= |ULTIMATE.start_main_~uneq~0#1| 5) (<= 1 |ULTIMATE.start_dll_create_~data#1|) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.base|) (<= |ULTIMATE.start_main_~data~0#1| 1) (<= 0 |#NULL.base|) (<= 2 |ULTIMATE.start_main_~len~0#1|) (<= 5 |ULTIMATE.start_main_~uneq~0#1|) (<= 2 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |ULTIMATE.start_dll_append_~head#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.offset|) (<= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~len~0#1| 2) (<= |ULTIMATE.start_dll_create_~data#1| 1) (<= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (<= |#NULL.base| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 2) (<= |ULTIMATE.start_main_~count~0#1| 0) (<= 5 |ULTIMATE.start_dll_append_#in~data#1|) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= 1 |ULTIMATE.start_dll_create_#in~data#1|) (<= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~head#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.base|) (<= |ULTIMATE.start_dll_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_append_#in~head#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 1 |ULTIMATE.start_main_~data~0#1|) (<= |ULTIMATE.start_dll_append_#in~data#1| 5) (<= 0 |ULTIMATE.start_dll_append_~head#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|) (<= |ULTIMATE.start_dll_append_~data#1| 5) (<= 5 |ULTIMATE.start_dll_append_~data#1|))' at error location [2022-11-19 07:35:13,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:35:13,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:35:13,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 39 [2022-11-19 07:35:13,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791733648] [2022-11-19 07:35:13,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:35:13,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-19 07:35:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:13,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-19 07:35:13,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2948, Unknown=61, NotChecked=222, Total=3422 [2022-11-19 07:35:13,823 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand has 39 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 30 states have internal predecessors, (44), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:35:15,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:15,098 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-11-19 07:35:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 07:35:15,099 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 30 states have internal predecessors, (44), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 29 [2022-11-19 07:35:15,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:15,101 INFO L225 Difference]: With dead ends: 51 [2022-11-19 07:35:15,101 INFO L226 Difference]: Without dead ends: 49 [2022-11-19 07:35:15,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=273, Invalid=3830, Unknown=65, NotChecked=254, Total=4422 [2022-11-19 07:35:15,103 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 64 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:15,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 370 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 451 Invalid, 0 Unknown, 65 Unchecked, 0.5s Time] [2022-11-19 07:35:15,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-19 07:35:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 35. [2022-11-19 07:35:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:35:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2022-11-19 07:35:15,125 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 29 [2022-11-19 07:35:15,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:15,125 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2022-11-19 07:35:15,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 30 states have internal predecessors, (44), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:35:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-11-19 07:35:15,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:35:15,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:15,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:15,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 07:35:15,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:15,335 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:15,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:15,336 INFO L85 PathProgramCache]: Analyzing trace with hash -660097916, now seen corresponding path program 1 times [2022-11-19 07:35:15,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:15,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431632983] [2022-11-19 07:35:15,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:35:17,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:17,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431632983] [2022-11-19 07:35:17,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431632983] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:17,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866743846] [2022-11-19 07:35:17,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:17,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:17,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:17,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:35:17,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:35:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:17,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 88 conjunts are in the unsatisfiable core [2022-11-19 07:35:17,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:35:17,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:35:17,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:18,022 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:35:18,022 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:35:18,149 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:35:18,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:35:18,288 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-19 07:35:18,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 07:35:18,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:35:18,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2022-11-19 07:35:18,419 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:35:18,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 07:35:18,612 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-19 07:35:18,612 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 85 treesize of output 30 [2022-11-19 07:35:18,624 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 07:35:18,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:18,770 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:35:18,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 79 [2022-11-19 07:35:18,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:18,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64 [2022-11-19 07:35:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:18,808 INFO L321 Elim1Store]: treesize reduction 30, result has 47.4 percent of original size [2022-11-19 07:35:18,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 39 [2022-11-19 07:35:19,297 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-19 07:35:19,297 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 69 [2022-11-19 07:35:19,333 INFO L321 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2022-11-19 07:35:19,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 108 treesize of output 66 [2022-11-19 07:35:19,378 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-11-19 07:35:19,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 120 [2022-11-19 07:35:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:19,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 71 [2022-11-19 07:35:19,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2022-11-19 07:35:19,479 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-19 07:35:19,479 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 23 [2022-11-19 07:35:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:35:19,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:35:22,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866743846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:22,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1709401345] [2022-11-19 07:35:22,358 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-19 07:35:22,358 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:35:22,358 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:35:22,358 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:35:22,359 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:35:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,396 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:35:22,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:35:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:35:22,436 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 07:35:22,440 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 6 treesize of output 5 [2022-11-19 07:35:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:35:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:35:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:35:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:35:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:22,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:35:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:22,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:22,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-19 07:35:22,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2022-11-19 07:35:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:22,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-19 07:35:22,696 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 7 treesize of output 3 [2022-11-19 07:35:22,705 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 07:35:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:22,726 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 07:35:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:22,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:22,809 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 7 treesize of output 3 [2022-11-19 07:35:22,819 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 07:35:22,831 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 07:35:22,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:22,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 230 [2022-11-19 07:35:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 238 treesize of output 221 [2022-11-19 07:35:23,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:23,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:23,053 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:35:23,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 357 [2022-11-19 07:35:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 242 treesize of output 225 [2022-11-19 07:35:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:23,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:23,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:23,135 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-19 07:35:23,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 361 treesize of output 365 [2022-11-19 07:35:23,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:35:23,239 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:35:23,240 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 2 case distinctions, treesize of input 264 treesize of output 231 [2022-11-19 07:35:23,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 221 [2022-11-19 07:35:23,441 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-19 07:35:23,442 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 337 treesize of output 308 [2022-11-19 07:35:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 252 [2022-11-19 07:35:23,617 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 07:35:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 209 [2022-11-19 07:35:23,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 187 [2022-11-19 07:35:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2022-11-19 07:35:23,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2022-11-19 07:35:23,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:23,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:23,721 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 07:35:23,729 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 7 treesize of output 3 [2022-11-19 07:35:23,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 209 [2022-11-19 07:35:23,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 187 [2022-11-19 07:35:23,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2022-11-19 07:35:23,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:23,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:23,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2022-11-19 07:35:23,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:23,893 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 7 treesize of output 3 [2022-11-19 07:35:23,903 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 07:35:23,912 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 07:35:24,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 230 [2022-11-19 07:35:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 238 treesize of output 221 [2022-11-19 07:35:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:24,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:24,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:24,130 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 07:35:24,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 358 [2022-11-19 07:35:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 242 treesize of output 225 [2022-11-19 07:35:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:24,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:24,236 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:35:24,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 356 [2022-11-19 07:35:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:35:24,381 INFO L321 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-19 07:35:24,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 264 [2022-11-19 07:35:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 234 [2022-11-19 07:35:24,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:24,545 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-19 07:35:24,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 50 [2022-11-19 07:35:24,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:24,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2022-11-19 07:35:24,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:24,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:24,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:24,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:24,959 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 07:35:24,960 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 1 case distinctions, treesize of input 33 treesize of output 29 [2022-11-19 07:35:24,987 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 07:35:24,987 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 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-19 07:35:25,030 INFO L321 Elim1Store]: treesize reduction 27, result has 41.3 percent of original size [2022-11-19 07:35:25,030 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 1 case distinctions, treesize of input 39 treesize of output 19 [2022-11-19 07:35:25,185 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:35:25,283 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:35:29,261 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1312#(and (<= 1 |ULTIMATE.start_dll_create_~data#1|) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.base|) (<= 2 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~uneq~0#1| 5) (<= |ULTIMATE.start_dll_append_~head#1.offset| 0) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (and (= |ULTIMATE.start_dll_append_~last~0#1.offset| (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 4)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.offset|) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~data#1| 1) (= |ULTIMATE.start_main_~count~0#1| 0) (= |ULTIMATE.start_main_~data~0#1| 1) (<= 0 |ULTIMATE.start_dll_create_~len#1|) (<= |ULTIMATE.start_dll_create_#in~len#1| 2) (<= 5 |ULTIMATE.start_dll_append_#in~data#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= 1 |ULTIMATE.start_dll_create_#in~data#1|) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8)) |ULTIMATE.start_dll_append_~last~0#1.base|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~head#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.base|) (<= |ULTIMATE.start_dll_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_append_#in~head#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8))) (<= |ULTIMATE.start_dll_append_#in~data#1| 5) (<= 0 |ULTIMATE.start_dll_append_~head#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_dll_append_~data#1| 5) (<= 5 |ULTIMATE.start_dll_append_~data#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0) (= |#NULL.base| 0))' at error location [2022-11-19 07:35:29,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:35:29,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:35:29,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 36 [2022-11-19 07:35:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739770202] [2022-11-19 07:35:29,264 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:35:29,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-19 07:35:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-19 07:35:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2882, Unknown=4, NotChecked=0, Total=3080 [2022-11-19 07:35:29,272 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 37 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-19 07:35:31,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:31,623 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2022-11-19 07:35:31,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-19 07:35:31,624 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 29 [2022-11-19 07:35:31,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:31,624 INFO L225 Difference]: With dead ends: 57 [2022-11-19 07:35:31,624 INFO L226 Difference]: Without dead ends: 43 [2022-11-19 07:35:31,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=391, Invalid=5007, Unknown=4, NotChecked=0, Total=5402 [2022-11-19 07:35:31,627 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 115 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:31,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 300 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 465 Invalid, 0 Unknown, 31 Unchecked, 0.5s Time] [2022-11-19 07:35:31,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-19 07:35:31,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 29. [2022-11-19 07:35:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:35:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-11-19 07:35:31,644 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 29 [2022-11-19 07:35:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:31,645 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-11-19 07:35:31,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-19 07:35:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-19 07:35:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:35:31,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:31,646 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:31,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:35:31,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:31,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:31,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1276272768, now seen corresponding path program 1 times [2022-11-19 07:35:31,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:31,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461109124] [2022-11-19 07:35:31,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:31,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:35:35,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:35,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461109124] [2022-11-19 07:35:35,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461109124] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:35,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804764881] [2022-11-19 07:35:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:35,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:35,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:35,068 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:35:35,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:35:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:35,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-19 07:35:35,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:35:35,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:35:35,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:35,866 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:35:35,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:35:36,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:35:36,176 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:35:36,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 07:35:36,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 17 treesize of output 21 [2022-11-19 07:35:36,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:35:36,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-19 07:35:36,344 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:35:36,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 49 [2022-11-19 07:35:36,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-19 07:35:36,619 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:36,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 37 [2022-11-19 07:35:36,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:36,632 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 7 treesize of output 3 [2022-11-19 07:35:36,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:36,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 07:35:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:36,799 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:35:36,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 70 [2022-11-19 07:35:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:36,824 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-11-19 07:35:36,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2022-11-19 07:35:36,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 18 treesize of output 20 [2022-11-19 07:35:37,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:37,547 INFO L321 Elim1Store]: treesize reduction 66, result has 19.5 percent of original size [2022-11-19 07:35:37,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 149 treesize of output 118 [2022-11-19 07:35:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:37,577 INFO L321 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2022-11-19 07:35:37,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 57 [2022-11-19 07:35:37,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:37,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:37,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 39 [2022-11-19 07:35:37,701 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:37,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 30 [2022-11-19 07:35:37,707 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 15 treesize of output 7 [2022-11-19 07:35:37,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:35:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:35:37,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:35:37,864 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (v_ArrVal_1412 (Array Int Int)) (v_ArrVal_1411 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_append_~last~0#1.base| v_ArrVal_1411) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1415) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base| v_ArrVal_1413) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1416) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base| v_ArrVal_1414) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1412) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) is different from false [2022-11-19 07:35:37,886 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (v_ArrVal_1412 (Array Int Int)) (v_ArrVal_1411 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_append_~last~0#1.offset| 4)))) (select (select (store (store |c_#memory_int| .cse0 v_ArrVal_1411) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1415) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1413) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1416) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_1414) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1412) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2022-11-19 07:35:37,906 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (v_ArrVal_1412 (Array Int Int)) (v_ArrVal_1411 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse0 (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4)))) (select (select (store (store |c_#memory_int| .cse0 v_ArrVal_1411) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1415) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1413) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1416) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_1414) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1412) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2022-11-19 07:35:37,924 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (v_ArrVal_1412 (Array Int Int)) (v_ArrVal_1411 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse0 (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4)))) (select (select (store (store |c_#memory_int| .cse0 v_ArrVal_1411) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_1415) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1413) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_1416) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_1414) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_1412) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2022-11-19 07:35:38,019 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1427 (Array Int Int)) (v_ArrVal_1416 (Array Int Int)) (v_ArrVal_1426 (Array Int Int)) (v_ArrVal_1415 (Array Int Int)) (v_ArrVal_1425 (Array Int Int)) (v_ArrVal_1414 (Array Int Int)) (v_ArrVal_1413 (Array Int Int)) (v_ArrVal_1412 (Array Int Int)) (v_ArrVal_1411 (Array Int Int)) (|v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31|) 0)) (not (< |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| |c_#StackHeapBarrier|)) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1425)) (.cse2 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1426))) (let ((.cse0 (select (select .cse1 (select (select .cse1 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select .cse2 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4)))) (select (select (store (store (store |c_#memory_int| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1427) .cse0 v_ArrVal_1411) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1415) (select (select (store (store .cse1 .cse0 v_ArrVal_1413) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1416) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store .cse2 .cse0 v_ArrVal_1414) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1412) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))))) is different from false [2022-11-19 07:35:38,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804764881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:38,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1678646977] [2022-11-19 07:35:38,024 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-19 07:35:38,024 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:35:38,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:35:38,025 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:35:38,025 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:35:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,062 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:35:38,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:35:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:35:38,102 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 07:35:38,106 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 6 treesize of output 5 [2022-11-19 07:35:38,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:35:38,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:35:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:35:38,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:35:38,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:35:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:35:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-19 07:35:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2022-11-19 07:35:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-11-19 07:35:38,374 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 07:35:38,383 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 7 treesize of output 3 [2022-11-19 07:35:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:38,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:38,415 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 07:35:38,458 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 7 treesize of output 3 [2022-11-19 07:35:38,467 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 07:35:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-11-19 07:35:38,501 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 07:35:38,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 230 [2022-11-19 07:35:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 238 treesize of output 221 [2022-11-19 07:35:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,724 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:35:38,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 357 [2022-11-19 07:35:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 242 treesize of output 225 [2022-11-19 07:35:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:38,792 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-19 07:35:38,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 361 treesize of output 365 [2022-11-19 07:35:38,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:35:38,922 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:35:38,922 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 2 case distinctions, treesize of input 345 treesize of output 298 [2022-11-19 07:35:38,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:38,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 298 treesize of output 260 [2022-11-19 07:35:39,005 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:35:39,006 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 2 case distinctions, treesize of input 274 treesize of output 241 [2022-11-19 07:35:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:39,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 231 [2022-11-19 07:35:39,276 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 07:35:39,285 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 07:35:39,298 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 7 treesize of output 3 [2022-11-19 07:35:39,485 INFO L321 Elim1Store]: treesize reduction 12, result has 91.7 percent of original size [2022-11-19 07:35:39,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1719 treesize of output 1765 [2022-11-19 07:35:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:39,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1584 treesize of output 1338 [2022-11-19 07:35:39,690 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:39,721 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:39,812 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:39,844 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:39,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 129 [2022-11-19 07:35:39,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:39,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 91 [2022-11-19 07:35:39,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 100 [2022-11-19 07:35:40,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-19 07:35:40,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2022-11-19 07:35:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-11-19 07:35:40,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2022-11-19 07:35:40,374 INFO L321 Elim1Store]: treesize reduction 12, result has 91.7 percent of original size [2022-11-19 07:35:40,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2255 treesize of output 2277 [2022-11-19 07:35:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2053 treesize of output 1795 [2022-11-19 07:35:40,621 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:40,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:40,736 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:40,773 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:35:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 129 [2022-11-19 07:35:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:40,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 91 [2022-11-19 07:35:40,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 100 [2022-11-19 07:35:40,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-19 07:35:40,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:35:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-11-19 07:35:41,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2022-11-19 07:35:41,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2022-11-19 07:35:41,038 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 7 treesize of output 3 [2022-11-19 07:35:41,045 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 07:35:41,058 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 07:35:41,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 230 [2022-11-19 07:35:41,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 238 treesize of output 221 [2022-11-19 07:35:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:41,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:41,290 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:35:41,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 362 [2022-11-19 07:35:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 242 treesize of output 225 [2022-11-19 07:35:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:41,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:41,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:41,377 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-19 07:35:41,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 361 treesize of output 365 [2022-11-19 07:35:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:35:41,479 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:35:41,479 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 2 case distinctions, treesize of input 264 treesize of output 231 [2022-11-19 07:35:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 221 [2022-11-19 07:35:41,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 58 [2022-11-19 07:35:41,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 3 [2022-11-19 07:35:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:41,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2022-11-19 07:35:41,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:41,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:41,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:41,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:42,185 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 07:35:42,186 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 1 case distinctions, treesize of input 33 treesize of output 29 [2022-11-19 07:35:42,224 INFO L321 Elim1Store]: treesize reduction 27, result has 41.3 percent of original size [2022-11-19 07:35:42,225 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 1 case distinctions, treesize of input 39 treesize of output 19 [2022-11-19 07:35:42,247 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 07:35:42,248 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 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-19 07:35:42,395 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:35:42,494 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:35:47,971 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1655#(and (<= 1 |ULTIMATE.start_dll_create_~data#1|) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.base|) (<= 2 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~uneq~0#1| 5) (<= |ULTIMATE.start_dll_append_~head#1.offset| 0) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (and (= |ULTIMATE.start_dll_append_~last~0#1.offset| (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 4)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.offset|) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~data#1| 1) (= |ULTIMATE.start_main_~count~0#1| 0) (not (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| 1) (<= 0 |ULTIMATE.start_dll_create_~len#1|) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))) (<= |ULTIMATE.start_dll_create_#in~len#1| 2) (<= 5 |ULTIMATE.start_dll_append_#in~data#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= 1 |ULTIMATE.start_dll_create_#in~data#1|) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8)) |ULTIMATE.start_dll_append_~last~0#1.base|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~head#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.base|) (<= |ULTIMATE.start_dll_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_append_#in~head#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8))) (<= |ULTIMATE.start_dll_append_#in~data#1| 5) (<= 0 |ULTIMATE.start_dll_append_~head#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_dll_append_~data#1| 5) (<= 5 |ULTIMATE.start_dll_append_~data#1|) (= |#NULL.base| 0))' at error location [2022-11-19 07:35:47,971 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:35:47,971 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:35:47,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22] total 42 [2022-11-19 07:35:47,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291166396] [2022-11-19 07:35:47,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:35:47,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-19 07:35:47,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:47,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-19 07:35:47,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=3115, Unknown=7, NotChecked=580, Total=3906 [2022-11-19 07:35:47,974 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 42 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:35:50,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:50,571 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2022-11-19 07:35:50,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 07:35:50,572 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 31 [2022-11-19 07:35:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:50,576 INFO L225 Difference]: With dead ends: 53 [2022-11-19 07:35:50,577 INFO L226 Difference]: Without dead ends: 51 [2022-11-19 07:35:50,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=342, Invalid=4783, Unknown=7, NotChecked=720, Total=5852 [2022-11-19 07:35:50,579 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 163 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:50,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 310 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 616 Invalid, 0 Unknown, 4 Unchecked, 0.9s Time] [2022-11-19 07:35:50,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-19 07:35:50,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 37. [2022-11-19 07:35:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:35:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-11-19 07:35:50,611 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 31 [2022-11-19 07:35:50,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:50,612 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-11-19 07:35:50,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:35:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-19 07:35:50,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 07:35:50,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:50,619 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:50,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:35:50,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:50,828 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:50,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash 909695652, now seen corresponding path program 1 times [2022-11-19 07:35:50,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:50,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877608773] [2022-11-19 07:35:50,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:50,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 07:35:50,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:50,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877608773] [2022-11-19 07:35:50,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877608773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:50,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:50,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:35:50,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261911820] [2022-11-19 07:35:50,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:50,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:35:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:50,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:35:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:35:50,969 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:35:51,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:51,075 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-11-19 07:35:51,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:35:51,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-19 07:35:51,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:51,078 INFO L225 Difference]: With dead ends: 47 [2022-11-19 07:35:51,078 INFO L226 Difference]: Without dead ends: 42 [2022-11-19 07:35:51,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:35:51,079 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:51,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 65 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:35:51,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-19 07:35:51,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2022-11-19 07:35:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:35:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-19 07:35:51,105 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 32 [2022-11-19 07:35:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:51,105 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-19 07:35:51,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:35:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-11-19 07:35:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:35:51,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:51,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:51,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:35:51,113 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:51,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:51,115 INFO L85 PathProgramCache]: Analyzing trace with hash -312027429, now seen corresponding path program 2 times [2022-11-19 07:35:51,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:51,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401219614] [2022-11-19 07:35:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:35:56,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:56,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401219614] [2022-11-19 07:35:56,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401219614] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:56,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605755321] [2022-11-19 07:35:56,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:35:56,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:56,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:56,132 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:35:56,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 07:35:56,735 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-19 07:35:56,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:35:56,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 186 conjunts are in the unsatisfiable core [2022-11-19 07:35:56,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:35:56,844 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 6 treesize of output 5 [2022-11-19 07:35:57,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-19 07:35:57,368 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:35:57,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-19 07:35:57,395 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:35:57,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:35:57,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:35:57,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-19 07:35:57,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:57,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2022-11-19 07:35:57,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:57,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2022-11-19 07:35:57,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-19 07:35:57,573 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 18 treesize of output 26 [2022-11-19 07:35:57,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-11-19 07:35:57,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-19 07:35:57,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:35:57,910 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 07:35:57,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 52 [2022-11-19 07:35:57,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:35:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:57,928 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:35:57,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 07:35:57,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:35:58,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:58,126 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-19 07:35:58,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 102 treesize of output 90 [2022-11-19 07:35:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:58,168 INFO L321 Elim1Store]: treesize reduction 60, result has 41.7 percent of original size [2022-11-19 07:35:58,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 68 [2022-11-19 07:35:58,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:58,206 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-11-19 07:35:58,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 07:35:58,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-19 07:35:59,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:35:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:59,958 INFO L321 Elim1Store]: treesize reduction 282, result has 11.6 percent of original size [2022-11-19 07:35:59,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 13 new quantified variables, introduced 20 case distinctions, treesize of input 533 treesize of output 210 [2022-11-19 07:35:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:35:59,998 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-19 07:35:59,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 295 treesize of output 207 [2022-11-19 07:36:00,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 70 [2022-11-19 07:36:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:00,040 INFO L321 Elim1Store]: treesize reduction 85, result has 7.6 percent of original size [2022-11-19 07:36:00,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 153 treesize of output 132 [2022-11-19 07:36:00,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 18 treesize of output 20 [2022-11-19 07:36:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:00,082 INFO L321 Elim1Store]: treesize reduction 71, result has 31.7 percent of original size [2022-11-19 07:36:00,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 123 [2022-11-19 07:36:00,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 3 [2022-11-19 07:36:00,310 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 07:36:00,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 195 treesize of output 97 [2022-11-19 07:36:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:00,322 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-19 07:36:00,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 41 [2022-11-19 07:36:00,425 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 15 treesize of output 7 [2022-11-19 07:36:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:36:00,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:36:03,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605755321] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:36:03,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1317919653] [2022-11-19 07:36:03,275 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-19 07:36:03,276 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:36:03,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:36:03,276 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:36:03,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:36:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,306 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:36:03,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:36:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:36:03,341 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 07:36:03,345 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 6 treesize of output 5 [2022-11-19 07:36:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:36:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-19 07:36:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:36:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:36:03,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:36:03,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-19 07:36:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:36:03,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 219 [2022-11-19 07:36:03,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 210 [2022-11-19 07:36:03,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,689 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-19 07:36:03,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 348 treesize of output 342 [2022-11-19 07:36:03,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 115 [2022-11-19 07:36:03,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 139 [2022-11-19 07:36:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2022-11-19 07:36:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:03,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-11-19 07:36:03,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:03,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:03,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:36:03,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:36:03,934 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 07:36:03,943 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 7 treesize of output 3 [2022-11-19 07:36:03,952 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 07:36:04,007 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 07:36:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2022-11-19 07:36:04,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:36:04,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2022-11-19 07:36:04,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:04,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:04,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:36:04,082 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 7 treesize of output 3 [2022-11-19 07:36:04,091 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 07:36:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 152 [2022-11-19 07:36:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:36:04,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:04,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 155 [2022-11-19 07:36:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:36:04,286 INFO L321 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-11-19 07:36:04,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 50 [2022-11-19 07:36:04,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-11-19 07:36:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2022-11-19 07:36:04,340 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:36:04,340 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 2 case distinctions, treesize of input 52 treesize of output 23 [2022-11-19 07:36:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-11-19 07:36:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:04,666 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:36:04,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 217 treesize of output 182 [2022-11-19 07:36:04,719 INFO L321 Elim1Store]: treesize reduction 37, result has 30.2 percent of original size [2022-11-19 07:36:04,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 139 [2022-11-19 07:36:04,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 128 [2022-11-19 07:36:04,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 120 [2022-11-19 07:36:04,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:04,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:04,818 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:36:04,819 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:36:05,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 173 [2022-11-19 07:36:05,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 112 [2022-11-19 07:36:05,052 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-19 07:36:05,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 38 [2022-11-19 07:36:05,068 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:36:05,070 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:36:05,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2022-11-19 07:36:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-19 07:36:05,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:36:05,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 155 [2022-11-19 07:36:05,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 11 [2022-11-19 07:36:05,270 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:36:05,270 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 2 case distinctions, treesize of input 52 treesize of output 23 [2022-11-19 07:36:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-11-19 07:36:05,358 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-19 07:36:05,362 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 2 case distinctions, treesize of input 190 treesize of output 149 [2022-11-19 07:36:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:05,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 119 [2022-11-19 07:36:05,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:05,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:05,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:05,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:05,822 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 07:36:05,823 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 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-19 07:36:05,851 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-19 07:36:05,852 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 1 case distinctions, treesize of input 33 treesize of output 29 [2022-11-19 07:36:05,889 INFO L321 Elim1Store]: treesize reduction 27, result has 41.3 percent of original size [2022-11-19 07:36:05,890 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 1 case distinctions, treesize of input 39 treesize of output 19 [2022-11-19 07:36:06,010 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2022-11-19 07:36:06,102 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:36:12,012 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2145#(and (<= 1 |ULTIMATE.start_dll_create_~data#1|) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.base|) (<= 2 |ULTIMATE.start_dll_create_#in~len#1|) (<= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~uneq~0#1| 5) (<= |ULTIMATE.start_dll_append_~head#1.offset| 0) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.offset|) (and (= |ULTIMATE.start_dll_append_~last~0#1.offset| (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 4)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (<= 0 |ULTIMATE.start_dll_append_#in~head#1.offset|) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~data#1| 1) (= |ULTIMATE.start_main_~count~0#1| 0) (not (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| 1) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))) (<= |ULTIMATE.start_dll_create_#in~len#1| 2) (<= 5 |ULTIMATE.start_dll_append_#in~data#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= 1 |ULTIMATE.start_dll_create_#in~data#1|) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8)) |ULTIMATE.start_dll_append_~last~0#1.base|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~head#1.offset|) (<= 0 |ULTIMATE.start_main_~#s~0#1.base|) (<= |ULTIMATE.start_dll_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_append_#in~head#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8))) (<= |ULTIMATE.start_dll_append_#in~data#1| 5) (<= 0 |ULTIMATE.start_dll_append_~head#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_dll_append_~data#1| 5) (<= 5 |ULTIMATE.start_dll_append_~data#1|) (= |#NULL.base| 0))' at error location [2022-11-19 07:36:12,013 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:36:12,013 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:36:12,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 49 [2022-11-19 07:36:12,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741788608] [2022-11-19 07:36:12,013 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-19 07:36:12,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-19 07:36:12,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-19 07:36:12,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=5067, Unknown=35, NotChecked=0, Total=5402 [2022-11-19 07:36:12,016 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 49 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 39 states have internal predecessors, (51), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:36:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:22,623 INFO L93 Difference]: Finished difference Result 85 states and 103 transitions. [2022-11-19 07:36:22,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-19 07:36:22,635 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 39 states have internal predecessors, (51), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 33 [2022-11-19 07:36:22,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:22,637 INFO L225 Difference]: With dead ends: 85 [2022-11-19 07:36:22,637 INFO L226 Difference]: Without dead ends: 83 [2022-11-19 07:36:22,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2260 ImplicationChecksByTransitivity, 20.6s TimeCoverageRelationStatistics Valid=593, Invalid=8488, Unknown=39, NotChecked=0, Total=9120 [2022-11-19 07:36:22,642 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 147 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:22,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 445 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 910 Invalid, 0 Unknown, 47 Unchecked, 1.9s Time] [2022-11-19 07:36:22,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-19 07:36:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 49. [2022-11-19 07:36:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 42 states have internal predecessors, (50), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:36:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2022-11-19 07:36:22,677 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 33 [2022-11-19 07:36:22,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:22,678 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2022-11-19 07:36:22,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 39 states have internal predecessors, (51), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 07:36:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-19 07:36:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 07:36:22,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:22,679 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:22,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 07:36:22,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:22,882 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:22,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1902782484, now seen corresponding path program 1 times [2022-11-19 07:36:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:22,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100877606] [2022-11-19 07:36:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:36:27,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:27,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100877606] [2022-11-19 07:36:27,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100877606] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:36:27,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379760491] [2022-11-19 07:36:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:27,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:27,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:36:27,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 07:36:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:27,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 184 conjunts are in the unsatisfiable core [2022-11-19 07:36:27,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:36:27,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:36:27,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:27,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:27,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:27,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-19 07:36:27,734 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:36:27,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:36:27,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 07:36:27,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2022-11-19 07:36:27,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2022-11-19 07:36:28,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:28,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:36:28,426 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:36:28,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 21 treesize of output 25 [2022-11-19 07:36:28,479 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:36:28,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-19 07:36:28,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 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 07:36:28,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 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 07:36:28,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2022-11-19 07:36:28,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:28,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2022-11-19 07:36:28,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 27 treesize of output 25 [2022-11-19 07:36:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:28,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2022-11-19 07:36:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:28,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 28 [2022-11-19 07:36:28,781 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 20 treesize of output 30 [2022-11-19 07:36:28,791 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 20 treesize of output 30 [2022-11-19 07:36:28,805 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 25 treesize of output 33 [2022-11-19 07:36:29,262 INFO L321 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2022-11-19 07:36:29,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 208 treesize of output 70 [2022-11-19 07:36:29,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2022-11-19 07:36:29,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-19 07:36:29,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:29,679 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-19 07:36:29,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 214 treesize of output 164 [2022-11-19 07:36:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:29,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:29,711 INFO L321 Elim1Store]: treesize reduction 35, result has 12.5 percent of original size [2022-11-19 07:36:29,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 189 treesize of output 184 [2022-11-19 07:36:29,753 INFO L321 Elim1Store]: treesize reduction 39, result has 48.7 percent of original size [2022-11-19 07:36:29,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 28 treesize of output 48 [2022-11-19 07:36:29,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:36:29,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:29,852 INFO L321 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2022-11-19 07:36:29,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 39 [2022-11-19 07:36:31,361 INFO L321 Elim1Store]: treesize reduction 201, result has 27.4 percent of original size [2022-11-19 07:36:31,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 231 treesize of output 161 [2022-11-19 07:36:31,427 INFO L321 Elim1Store]: treesize reduction 47, result has 48.9 percent of original size [2022-11-19 07:36:31,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 64 [2022-11-19 07:36:31,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:31,477 INFO L321 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-11-19 07:36:31,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 298 treesize of output 228 [2022-11-19 07:36:31,565 INFO L321 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2022-11-19 07:36:31,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 284 treesize of output 250 [2022-11-19 07:36:31,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:31,628 INFO L321 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-11-19 07:36:31,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 283 treesize of output 277 [2022-11-19 07:36:31,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 54 [2022-11-19 07:36:31,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:36:53,320 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-19 07:36:53,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-19 07:36:53,321 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2022-11-19 07:36:53,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1681651636] [2022-11-19 07:36:53,323 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-19 07:36:53,324 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:36:53,324 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:36:53,324 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:36:53,324 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:36:53,329 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:314) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:158) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:132) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.checkSatTerm(SmtUtils.java:273) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.isFalse(SymbolicTools.java:221) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.RelationCheckUtil.isEqBottom_SolverAlphaSolver(RelationCheckUtil.java:56) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.isEqBottom(ExplicitValueDomain.java:73) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.CompoundDomain.isEqBottom(CompoundDomain.java:84) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.isEqBottom(StatsWrapperDomain.java:69) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.earlyExitAfterStep(DagInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Broken pipe at java.base/java.io.FileOutputStream.writeBytes(Native Method) at java.base/java.io.FileOutputStream.write(FileOutputStream.java:354) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:156) ... 44 more [2022-11-19 07:36:53,343 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:36:53,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2022-11-19 07:36:53,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767188648] [2022-11-19 07:36:53,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-19 07:36:53,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-19 07:36:53,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:53,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-19 07:36:53,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1856, Unknown=9, NotChecked=0, Total=1980 [2022-11-19 07:36:53,346 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 20 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:36:53,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:36:53,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=115, Invalid=1856, Unknown=9, NotChecked=0, Total=1980 [2022-11-19 07:36:53,348 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:53,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:36:53,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 07:36:53,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:53,549 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@38ebbfd8 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:460) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 07:36:53,552 INFO L158 Benchmark]: Toolchain (without parser) took 156344.08ms. Allocated memory was 109.1MB in the beginning and 648.0MB in the end (delta: 539.0MB). Free memory was 67.4MB in the beginning and 602.7MB in the end (delta: -535.3MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-11-19 07:36:53,552 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:36:53,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.67ms. Allocated memory is still 109.1MB. Free memory was 67.2MB in the beginning and 74.2MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:36:53,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.50ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 71.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:53,552 INFO L158 Benchmark]: Boogie Preprocessor took 71.44ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:53,552 INFO L158 Benchmark]: RCFGBuilder took 615.96ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 49.6MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:36:53,552 INFO L158 Benchmark]: TraceAbstraction took 155031.94ms. Allocated memory was 109.1MB in the beginning and 648.0MB in the end (delta: 539.0MB). Free memory was 49.1MB in the beginning and 602.7MB in the end (delta: -553.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:36:53,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.67ms. Allocated memory is still 109.1MB. Free memory was 67.2MB in the beginning and 74.2MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.50ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 71.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.44ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.96ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 49.6MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 155031.94ms. Allocated memory was 109.1MB in the beginning and 648.0MB in the end (delta: 539.0MB). Free memory was 49.1MB in the beginning and 602.7MB in the end (delta: -553.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@38ebbfd8 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@38ebbfd8: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/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 32bit --witnessprinter.graph.data.programhash 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:36:55,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:36:55,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:36:55,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:36:55,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:36:55,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:36:55,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:36:55,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:36:55,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:36:55,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:36:55,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:36:55,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:36:55,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:36:55,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:36:55,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:36:55,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:36:55,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:36:55,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:36:55,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:36:55,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:36:55,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:36:55,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:36:55,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:36:55,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:36:55,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:36:55,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:36:55,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:36:55,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:36:55,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:36:55,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:36:55,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:36:55,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:36:55,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:36:55,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:36:55,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:36:55,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:36:55,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:36:55,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:36:55,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:36:55,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:36:55,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:36:55,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 07:36:55,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:36:55,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:36:55,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:36:55,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:36:55,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:36:55,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:36:55,982 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:36:55,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:36:55,982 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:36:55,983 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:36:55,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:36:55,984 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:36:55,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:36:55,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:36:55,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:36:55,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:36:55,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:36:55,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:36:55,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:36:55,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:36:55,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:36:55,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:36:55,989 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:36:55,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:36:55,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:36:55,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:36:55,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:36:55,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:36:55,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:36:55,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:55,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:36:55,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:36:55,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:36:55,993 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:36:55,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:36:55,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:36:55,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:36:55,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:36:55,995 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 [2022-11-19 07:36:56,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:36:56,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:36:56,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:36:56,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:36:56,474 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:36:56,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2022-11-19 07:36:56,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/2166eb40e/b1d983c426c54da99b71d35f296e7d04/FLAGd70fd5e32 [2022-11-19 07:36:57,159 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:36:57,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2022-11-19 07:36:57,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/2166eb40e/b1d983c426c54da99b71d35f296e7d04/FLAGd70fd5e32 [2022-11-19 07:36:57,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/data/2166eb40e/b1d983c426c54da99b71d35f296e7d04 [2022-11-19 07:36:57,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:36:57,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:36:57,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:57,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:36:57,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:36:57,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:57" (1/1) ... [2022-11-19 07:36:57,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16539618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:57, skipping insertion in model container [2022-11-19 07:36:57,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:57" (1/1) ... [2022-11-19 07:36:57,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:36:57,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:36:58,008 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/sv-benchmarks/c/list-simple/dll2n_append_unequal.i[24457,24470] [2022-11-19 07:36:58,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:58,041 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:36:58,125 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_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/sv-benchmarks/c/list-simple/dll2n_append_unequal.i[24457,24470] [2022-11-19 07:36:58,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:58,168 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:36:58,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58 WrapperNode [2022-11-19 07:36:58,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:58,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:58,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:36:58,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:36:58,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,265 INFO L138 Inliner]: procedures = 130, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 139 [2022-11-19 07:36:58,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:58,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:36:58,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:36:58,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:36:58,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:36:58,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:36:58,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:36:58,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:36:58,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (1/1) ... [2022-11-19 07:36:58,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:58,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:36:58,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:36:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:36:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-19 07:36:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-19 07:36:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:36:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:36:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:36:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:36:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:36:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:36:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:36:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:36:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:36:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:36:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:36:58,651 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:36:58,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:36:59,042 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:36:59,049 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:36:59,049 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:36:59,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:59 BoogieIcfgContainer [2022-11-19 07:36:59,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:36:59,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:36:59,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:36:59,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:36:59,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:57" (1/3) ... [2022-11-19 07:36:59,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1528cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:59, skipping insertion in model container [2022-11-19 07:36:59,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:58" (2/3) ... [2022-11-19 07:36:59,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1528cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:59, skipping insertion in model container [2022-11-19 07:36:59,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:59" (3/3) ... [2022-11-19 07:36:59,070 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_append_unequal.i [2022-11-19 07:36:59,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:36:59,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:36:59,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:36:59,152 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;@62f5f24f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:36:59,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:36:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 32 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:36:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:36:59,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:59,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:59,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:59,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:59,177 INFO L85 PathProgramCache]: Analyzing trace with hash -346371136, now seen corresponding path program 1 times [2022-11-19 07:36:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:36:59,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932151933] [2022-11-19 07:36:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:59,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:36:59,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:36:59,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:36:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 07:36:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:59,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:36:59,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:36:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:36:59,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:36:59,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:36:59,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932151933] [2022-11-19 07:36:59,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932151933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:59,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:59,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:36:59,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817107125] [2022-11-19 07:36:59,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:59,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:36:59,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:36:59,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:36:59,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:36:59,531 INFO L87 Difference]: Start difference. First operand has 36 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 32 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:36:59,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:59,560 INFO L93 Difference]: Finished difference Result 65 states and 91 transitions. [2022-11-19 07:36:59,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:36:59,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 07:36:59,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:59,571 INFO L225 Difference]: With dead ends: 65 [2022-11-19 07:36:59,571 INFO L226 Difference]: Without dead ends: 30 [2022-11-19 07:36:59,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:36:59,582 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:59,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:36:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-19 07:36:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-19 07:36:59,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:36:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2022-11-19 07:36:59,627 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 17 [2022-11-19 07:36:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:59,627 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2022-11-19 07:36:59,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:36:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-19 07:36:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:36:59,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:59,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:59,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:36:59,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:36:59,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:59,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:59,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1530291827, now seen corresponding path program 1 times [2022-11-19 07:36:59,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:36:59,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202352214] [2022-11-19 07:36:59,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:59,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:36:59,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:36:59,858 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:36:59,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 07:37:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:00,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:37:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:00,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:00,072 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:37:00,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202352214] [2022-11-19 07:37:00,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202352214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:00,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:00,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458790396] [2022-11-19 07:37:00,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:00,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:00,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:37:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:00,077 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:37:00,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:00,101 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-11-19 07:37:00,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:00,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 07:37:00,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:00,103 INFO L225 Difference]: With dead ends: 58 [2022-11-19 07:37:00,103 INFO L226 Difference]: Without dead ends: 35 [2022-11-19 07:37:00,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:00,106 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:00,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 71 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:37:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-19 07:37:00,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2022-11-19 07:37:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:37:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2022-11-19 07:37:00,115 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 17 [2022-11-19 07:37:00,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:00,116 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-19 07:37:00,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:37:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-19 07:37:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:37:00,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:00,118 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:00,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:00,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:00,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:00,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:00,348 INFO L85 PathProgramCache]: Analyzing trace with hash 878865159, now seen corresponding path program 1 times [2022-11-19 07:37:00,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:37:00,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444938653] [2022-11-19 07:37:00,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:00,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:00,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:37:00,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:37:00,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 07:37:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:00,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:37:00,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:00,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:00,623 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:37:00,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444938653] [2022-11-19 07:37:00,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444938653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:00,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:00,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:00,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570978145] [2022-11-19 07:37:00,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:00,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:00,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:37:00,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:00,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:00,627 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:37:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:00,705 INFO L93 Difference]: Finished difference Result 63 states and 81 transitions. [2022-11-19 07:37:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:00,706 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-19 07:37:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:00,707 INFO L225 Difference]: With dead ends: 63 [2022-11-19 07:37:00,707 INFO L226 Difference]: Without dead ends: 35 [2022-11-19 07:37:00,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:00,709 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:00,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:37:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-19 07:37:00,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-11-19 07:37:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:37:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2022-11-19 07:37:00,717 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 27 [2022-11-19 07:37:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:00,718 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-19 07:37:00,718 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:37:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-11-19 07:37:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:37:00,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:00,720 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:00,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:00,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:00,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:00,945 INFO L85 PathProgramCache]: Analyzing trace with hash -709482743, now seen corresponding path program 1 times [2022-11-19 07:37:00,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:37:00,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646752075] [2022-11-19 07:37:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:00,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:00,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:37:00,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:37:00,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 07:37:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:01,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:37:01,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:01,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:37:01,230 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:37:01,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646752075] [2022-11-19 07:37:01,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646752075] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:01,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [351071238] [2022-11-19 07:37:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:01,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 07:37:01,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 07:37:01,235 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 07:37:01,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-11-19 07:37:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:01,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:37:01,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:01,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:37:01,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [351071238] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:01,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148902281] [2022-11-19 07:37:01,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:01,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:01,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:01,628 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:01,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:37:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:01,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 07:37:01,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:01,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:37:01,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148902281] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:01,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-19 07:37:01,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 5] total 7 [2022-11-19 07:37:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443555982] [2022-11-19 07:37:01,936 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:01,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:37:01,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:37:01,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:37:01,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:37:01,943 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-19 07:37:02,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:02,069 INFO L93 Difference]: Finished difference Result 69 states and 90 transitions. [2022-11-19 07:37:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:37:02,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 27 [2022-11-19 07:37:02,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:02,071 INFO L225 Difference]: With dead ends: 69 [2022-11-19 07:37:02,071 INFO L226 Difference]: Without dead ends: 46 [2022-11-19 07:37:02,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:37:02,073 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 45 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:02,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 141 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:37:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-19 07:37:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-19 07:37:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:37:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2022-11-19 07:37:02,097 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 27 [2022-11-19 07:37:02,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:02,097 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2022-11-19 07:37:02,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-19 07:37:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2022-11-19 07:37:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-19 07:37:02,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:02,099 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:02,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:02,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:02,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:02,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 07:37:02,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:02,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:02,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1607276515, now seen corresponding path program 1 times [2022-11-19 07:37:02,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:37:02,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146907366] [2022-11-19 07:37:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:37:02,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:37:02,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-19 07:37:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:03,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-19 07:37:03,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:03,241 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 6 treesize of output 5 [2022-11-19 07:37:03,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 07:37:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:03,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 07:37:03,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-19 07:37:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:37:03,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:03,916 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:37:03,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146907366] [2022-11-19 07:37:03,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146907366] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:03,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1895482062] [2022-11-19 07:37:03,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:03,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 07:37:03,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 07:37:03,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 07:37:03,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-11-19 07:37:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:04,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-19 07:37:04,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:05,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 07:37:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:05,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 07:37:05,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-19 07:37:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:37:05,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:05,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1895482062] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:05,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039520051] [2022-11-19 07:37:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:05,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:05,552 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:05,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 07:37:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:05,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-19 07:37:05,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:05,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 07:37:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:06,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-11-19 07:37:06,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-19 07:37:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:37:06,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:06,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039520051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:06,288 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:37:06,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 23 [2022-11-19 07:37:06,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925883680] [2022-11-19 07:37:06,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:06,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-19 07:37:06,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:37:06,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-19 07:37:06,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=504, Unknown=6, NotChecked=0, Total=600 [2022-11-19 07:37:06,290 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand has 23 states, 21 states have (on average 2.0) internal successors, (42), 18 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-19 07:37:07,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:07,687 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2022-11-19 07:37:07,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:37:07,691 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 2.0) internal successors, (42), 18 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2022-11-19 07:37:07,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:07,692 INFO L225 Difference]: With dead ends: 56 [2022-11-19 07:37:07,693 INFO L226 Difference]: Without dead ends: 46 [2022-11-19 07:37:07,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 102 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=140, Invalid=723, Unknown=7, NotChecked=0, Total=870 [2022-11-19 07:37:07,696 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 33 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:07,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 214 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 151 Invalid, 0 Unknown, 39 Unchecked, 1.1s Time] [2022-11-19 07:37:07,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-19 07:37:07,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-19 07:37:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:37:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2022-11-19 07:37:07,720 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 37 [2022-11-19 07:37:07,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:07,720 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2022-11-19 07:37:07,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 2.0) internal successors, (42), 18 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-19 07:37:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-19 07:37:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 07:37:07,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:07,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:07,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2022-11-19 07:37:07,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:08,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-19 07:37:08,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:08,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:08,338 INFO L85 PathProgramCache]: Analyzing trace with hash -859241559, now seen corresponding path program 1 times [2022-11-19 07:37:08,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:37:08,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403825644] [2022-11-19 07:37:08,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:37:08,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:37:08,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 07:37:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:08,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-19 07:37:08,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:08,750 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 6 treesize of output 7 [2022-11-19 07:37:09,134 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-19 07:37:09,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-19 07:37:09,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 07:37:09,390 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:37:09,391 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 07:37:09,960 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-11-19 07:37:09,961 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 55 treesize of output 35 [2022-11-19 07:37:09,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-19 07:37:09,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:37:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:10,329 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:37:10,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 53 [2022-11-19 07:37:10,381 INFO L321 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2022-11-19 07:37:10,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 34 [2022-11-19 07:37:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:10,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 07:37:10,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:37:10,753 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-11-19 07:37:10,754 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 60 treesize of output 32 [2022-11-19 07:37:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:10,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:11,329 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:37:11,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403825644] [2022-11-19 07:37:11,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403825644] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:11,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1194117488] [2022-11-19 07:37:11,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:11,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 07:37:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 07:37:11,331 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 07:37:11,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2022-11-19 07:37:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:12,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-19 07:37:12,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:12,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 07:37:13,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:37:13,595 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:37:13,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-11-19 07:37:13,616 INFO L321 Elim1Store]: treesize reduction 6, result has 50.0 percent of original size [2022-11-19 07:37:13,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-19 07:37:13,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:37:14,801 INFO L321 Elim1Store]: treesize reduction 55, result has 11.3 percent of original size [2022-11-19 07:37:14,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 57 [2022-11-19 07:37:14,879 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-19 07:37:14,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 101 [2022-11-19 07:37:14,923 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-19 07:37:14,923 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 85 [2022-11-19 07:37:14,961 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:37:14,962 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 77 [2022-11-19 07:37:15,244 INFO L321 Elim1Store]: treesize reduction 3, result has 83.3 percent of original size [2022-11-19 07:37:15,244 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 75 treesize of output 33 [2022-11-19 07:37:15,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-19 07:37:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:37:15,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:18,048 INFO L321 Elim1Store]: treesize reduction 19, result has 64.8 percent of original size [2022-11-19 07:37:18,048 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 118 [2022-11-19 07:37:18,090 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:37:18,090 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 148 [2022-11-19 07:37:18,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 114 [2022-11-19 07:37:18,476 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (.cse2 (= |c_ULTIMATE.start_main_~#s~0#1.base| |c_ULTIMATE.start_dll_append_~new_last~0#1.base|))) (let ((.cse8 (not .cse2)) (.cse5 (select |c_#memory_$Pointer$.base| .cse4))) (let ((.cse1 (or .cse8 (forall ((v_arrayElimIndex_11 (_ BitVec 32)) (v_arrayElimCell_44 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select .cse5 v_arrayElimIndex_11) (_ bv0 32))) (not (= (select (let ((.cse11 (store (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 v_arrayElimIndex_11 |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_734))) (select .cse11 (select (select .cse11 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_44)) (_ bv0 32)))))))) (let ((.cse0 (and (or .cse2 (forall ((v_arrayElimCell_42 (_ BitVec 32)) (v_arrayElimIndex_11 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select (let ((.cse10 (store (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 v_arrayElimIndex_11 |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_734))) (select .cse10 (select (select .cse10 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_42)) (_ bv0 32))) (not (= (select .cse5 v_arrayElimIndex_11) (_ bv0 32)))))) .cse1))) (and (or .cse0 (= |c_ULTIMATE.start_main_~#s~0#1.base| |c_ULTIMATE.start_dll_append_~head#1.base|)) .cse1 (or .cse0 (= |c_ULTIMATE.start_dll_append_~head#1.offset| |c_ULTIMATE.start_main_~#s~0#1.offset|)) (or .cse2 (forall ((v_arrayElimIndex_11 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select (let ((.cse3 (store (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 v_arrayElimIndex_11 |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_734))) (select .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) v_arrayElimIndex_11) (_ bv0 32))) (not (= (select .cse5 v_arrayElimIndex_11) (_ bv0 32)))))) (or (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 |c_ULTIMATE.start_dll_append_~head#1.offset| |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)))) (and (or (forall ((v_arrayElimCell_42 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (select (let ((.cse6 (store .cse7 |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_734))) (select .cse6 (select (select .cse6 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_42)) (_ bv0 32)))) .cse2) (or .cse8 (forall ((v_arrayElimCell_44 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (select (let ((.cse9 (store .cse7 |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_734))) (select .cse9 (select (select .cse9 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_44)) (_ bv0 32))))))) (not (= (select .cse5 |c_ULTIMATE.start_dll_append_~head#1.offset|) (_ bv0 32))) (not (= .cse4 |c_ULTIMATE.start_dll_append_~head#1.base|)))))))) is different from false [2022-11-19 07:37:18,859 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (.cse2 (= |c_ULTIMATE.start_main_~#s~0#1.base| |c_ULTIMATE.start_dll_append_#t~ret7#1.base|))) (let ((.cse8 (not .cse2)) (.cse5 (select |c_#memory_$Pointer$.base| .cse4))) (let ((.cse1 (or .cse8 (forall ((v_arrayElimIndex_11 (_ BitVec 32)) (v_arrayElimCell_44 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select .cse5 v_arrayElimIndex_11) (_ bv0 32))) (not (= (select (let ((.cse11 (store (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 v_arrayElimIndex_11 |c_ULTIMATE.start_dll_append_#t~ret7#1.base|)) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_734))) (select .cse11 (select (select .cse11 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_44)) (_ bv0 32)))))))) (let ((.cse0 (and .cse1 (or (forall ((v_arrayElimCell_42 (_ BitVec 32)) (v_arrayElimIndex_11 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select .cse5 v_arrayElimIndex_11) (_ bv0 32))) (not (= (select (let ((.cse10 (store (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 v_arrayElimIndex_11 |c_ULTIMATE.start_dll_append_#t~ret7#1.base|)) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_734))) (select .cse10 (select (select .cse10 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_42)) (_ bv0 32))))) .cse2)))) (and (or (= |c_ULTIMATE.start_dll_append_~head#1.offset| |c_ULTIMATE.start_main_~#s~0#1.offset|) .cse0) .cse1 (or .cse2 (forall ((v_arrayElimIndex_11 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select (let ((.cse3 (store (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 v_arrayElimIndex_11 |c_ULTIMATE.start_dll_append_#t~ret7#1.base|)) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_734))) (select .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) v_arrayElimIndex_11) (_ bv0 32))) (not (= (select .cse5 v_arrayElimIndex_11) (_ bv0 32)))))) (or (not (= (select .cse5 |c_ULTIMATE.start_dll_append_~head#1.offset|) (_ bv0 32))) (not (= .cse4 |c_ULTIMATE.start_dll_append_~head#1.base|)) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 (store .cse5 |c_ULTIMATE.start_dll_append_~head#1.offset| |c_ULTIMATE.start_dll_append_#t~ret7#1.base|)))) (and (or (forall ((v_arrayElimCell_44 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (select (let ((.cse6 (store .cse7 |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_734))) (select .cse6 (select (select .cse6 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_44)) (_ bv0 32)))) .cse8) (or (forall ((v_arrayElimCell_42 (_ BitVec 32)) (v_ArrVal_734 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (select (let ((.cse9 (store .cse7 |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_734))) (select .cse9 (select (select .cse9 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) v_arrayElimCell_42)) (_ bv0 32)))) .cse2)))) (or (= |c_ULTIMATE.start_main_~#s~0#1.base| |c_ULTIMATE.start_dll_append_~head#1.base|) .cse0)))))) is different from false [2022-11-19 07:37:36,457 WARN L233 SmtUtils]: Spent 9.61s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:37:36,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1194117488] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:36,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484756191] [2022-11-19 07:37:36,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:36,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:36,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:36,465 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:36,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-19 07:37:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:36,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-19 07:37:36,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:36,788 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 6 treesize of output 7 [2022-11-19 07:37:37,104 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-19 07:37:37,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-19 07:37:37,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 07:37:37,241 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:37:37,242 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 07:37:37,460 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-11-19 07:37:37,460 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 55 treesize of output 35 [2022-11-19 07:37:37,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-19 07:37:37,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:37:38,048 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-11-19 07:37:38,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 57 [2022-11-19 07:37:38,093 INFO L321 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2022-11-19 07:37:38,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2022-11-19 07:37:38,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2022-11-19 07:37:38,210 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:37:38,211 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 14 treesize of output 20 [2022-11-19 07:37:38,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:37:39,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 07:37:39,697 INFO L321 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-11-19 07:37:39,698 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 60 treesize of output 32 [2022-11-19 07:37:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:39,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:40,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484756191] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:40,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:37:40,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 25] total 44 [2022-11-19 07:37:40,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180728012] [2022-11-19 07:37:40,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:37:40,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-19 07:37:40,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:37:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-19 07:37:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=2536, Unknown=39, NotChecked=206, Total=2970 [2022-11-19 07:37:40,107 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 44 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 36 states have internal predecessors, (67), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-19 07:37:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:48,261 INFO L93 Difference]: Finished difference Result 83 states and 107 transitions. [2022-11-19 07:37:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 07:37:48,263 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 36 states have internal predecessors, (67), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 40 [2022-11-19 07:37:48,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:48,264 INFO L225 Difference]: With dead ends: 83 [2022-11-19 07:37:48,264 INFO L226 Difference]: Without dead ends: 48 [2022-11-19 07:37:48,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1252 ImplicationChecksByTransitivity, 31.2s TimeCoverageRelationStatistics Valid=340, Invalid=4050, Unknown=40, NotChecked=262, Total=4692 [2022-11-19 07:37:48,267 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 185 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:48,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 469 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 258 Invalid, 0 Unknown, 185 Unchecked, 1.8s Time] [2022-11-19 07:37:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-19 07:37:48,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-19 07:37:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:37:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2022-11-19 07:37:48,283 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 40 [2022-11-19 07:37:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:48,284 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2022-11-19 07:37:48,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 36 states have internal predecessors, (67), 5 states have call successors, (5), 4 states have call predecessors, (5), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-19 07:37:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-19 07:37:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 07:37:48,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:48,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:48,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:48,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:48,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:48,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:48,897 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:48,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:48,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1563025532, now seen corresponding path program 1 times [2022-11-19 07:37:48,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:37:48,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784485105] [2022-11-19 07:37:48,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:48,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:37:48,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:37:48,899 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:37:48,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-19 07:37:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:49,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-19 07:37:49,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:49,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 07:37:49,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-19 07:37:49,610 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-19 07:37:49,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-19 07:37:49,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-19 07:37:50,103 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-19 07:37:50,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-19 07:37:50,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 07:37:50,445 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:37:50,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 63 [2022-11-19 07:37:50,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-19 07:37:51,193 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 07:37:51,193 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 75 treesize of output 34 [2022-11-19 07:37:51,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:37:51,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-19 07:37:51,587 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:37:51,588 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 14 treesize of output 20 [2022-11-19 07:37:51,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:37:51,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:51,649 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:37:51,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 65 [2022-11-19 07:37:51,746 INFO L321 Elim1Store]: treesize reduction 18, result has 58.1 percent of original size [2022-11-19 07:37:51,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 43 [2022-11-19 07:37:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:53,131 INFO L321 Elim1Store]: treesize reduction 66, result has 19.5 percent of original size [2022-11-19 07:37:53,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 92 [2022-11-19 07:37:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:53,216 INFO L321 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2022-11-19 07:37:53,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 36 [2022-11-19 07:37:53,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:37:53,529 INFO L321 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2022-11-19 07:37:53,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 34 [2022-11-19 07:37:53,548 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 7 treesize of output 3 [2022-11-19 07:37:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:37:53,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:54,487 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_951 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 32) (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base| v_ArrVal_953) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_950))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base| v_ArrVal_951) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_952) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))))) is different from false [2022-11-19 07:37:56,532 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_951 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_append_~last~0#1.offset|)))) (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_953) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_950))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_951) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_952) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (_ bv0 32)))) is different from false [2022-11-19 07:37:56,577 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_951 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (let ((.cse1 (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (bvadd (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) (_ bv4 32))))) (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_953) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_950))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (bvadd (_ bv4 32) (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_951) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_952) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (_ bv0 32)))) is different from false [2022-11-19 07:37:57,679 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:37:57,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784485105] [2022-11-19 07:37:57,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784485105] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:57,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [517242381] [2022-11-19 07:37:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:57,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 07:37:57,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 07:37:57,685 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 07:37:57,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7eb420b-5ffe-42ec-b714-17d21f45a6ca/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2022-11-19 07:37:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:58,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-19 07:37:58,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:59,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:38:00,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:38:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:00,422 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:38:00,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 36 [2022-11-19 07:38:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:05,307 INFO L321 Elim1Store]: treesize reduction 97, result has 34.9 percent of original size [2022-11-19 07:38:05,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 346 treesize of output 265 [2022-11-19 07:38:05,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:06,624 INFO L321 Elim1Store]: treesize reduction 87, result has 40.0 percent of original size [2022-11-19 07:38:06,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 388 treesize of output 334 [2022-11-19 07:38:06,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2022-11-19 07:38:06,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2022-11-19 07:38:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:07,246 INFO L321 Elim1Store]: treesize reduction 174, result has 22.0 percent of original size [2022-11-19 07:38:07,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 115 treesize of output 169 [2022-11-19 07:38:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:07,479 INFO L321 Elim1Store]: treesize reduction 110, result has 24.7 percent of original size [2022-11-19 07:38:07,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 166 [2022-11-19 07:38:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:07,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 18 [2022-11-19 07:38:07,765 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 18 treesize of output 22 [2022-11-19 07:38:08,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-19 07:38:08,229 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 58 [2022-11-19 07:38:08,679 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 58 [2022-11-19 07:38:08,812 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 58 [2022-11-19 07:38:08,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-19 07:38:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:09,051 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-19 07:38:09,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 70 [2022-11-19 07:38:09,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-19 07:38:09,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-19 07:38:10,239 INFO L321 Elim1Store]: treesize reduction 74, result has 23.7 percent of original size [2022-11-19 07:38:10,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 165 [2022-11-19 07:38:10,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:38:10,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:38:10,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 63 treesize of output 7 [2022-11-19 07:38:11,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:11,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 11 [2022-11-19 07:38:13,164 INFO L321 Elim1Store]: treesize reduction 55, result has 19.1 percent of original size [2022-11-19 07:38:13,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 384 treesize of output 374 [2022-11-19 07:38:14,546 INFO L321 Elim1Store]: treesize reduction 35, result has 32.7 percent of original size [2022-11-19 07:38:14,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 88 [2022-11-19 07:38:15,351 INFO L321 Elim1Store]: treesize reduction 35, result has 32.7 percent of original size [2022-11-19 07:38:15,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 88 [2022-11-19 07:38:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:43,870 WARN L233 SmtUtils]: Spent 26.35s on a formula simplification. DAG size of input: 258 DAG size of output: 49 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:38:43,871 INFO L321 Elim1Store]: treesize reduction 1096, result has 8.3 percent of original size [2022-11-19 07:38:43,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 15 new quantified variables, introduced 50 case distinctions, treesize of input 905 treesize of output 1286 [2022-11-19 07:38:44,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 553 treesize of output 519 [2022-11-19 07:40:38,351 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-11-19 07:40:38,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 58 [2022-11-19 07:40:49,635 INFO L321 Elim1Store]: treesize reduction 57, result has 14.9 percent of original size [2022-11-19 07:40:49,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 739 treesize of output 526 [2022-11-19 07:40:51,398 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:40:51,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 170 treesize of output 160 [2022-11-19 07:40:53,314 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:40:53,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 192 [2022-11-19 07:41:27,499 WARN L837 $PredicateComparison]: unable to prove that (and (let ((.cse227 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse6 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse46 (select .cse6 |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse47 (bvadd (_ bv4 32) .cse227))) (let ((.cse44 (select (select |c_#memory_$Pointer$.offset| .cse46) .cse47))) (let ((.cse43 (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse46)) (.cse52 (select |c_#memory_$Pointer$.base| .cse46)) (.cse45 (bvadd (_ bv4 32) .cse44)) (.cse48 (= .cse227 (_ bv0 32))) (.cse49 (not (= .cse46 (_ bv0 32))))) (or (and (or (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select .cse0 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)) (exists ((v_prenex_111 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_111) |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse7 (select .cse10 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse5 (bvadd .cse7 (_ bv4 32)))) (let ((.cse1 (select .cse10 .cse5))) (let ((.cse4 (bvadd .cse1 (_ bv4 32)))) (and (= .cse1 (select .cse0 (_ bv8 32))) (= .cse1 (select v_prenex_111 (_ bv8 32))) (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_11 (_ BitVec 32)) (v_arrayElimCell_141 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse2 (store .cse6 .cse4 v_DerPreprocessor_11)) (.cse3 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse5)))) (and (= (select (store (store .cse2 .cse3 v_DerPreprocessor_9) (bvadd v_arrayElimCell_141 (_ bv4 32)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse4) (_ bv0 32)) (= (select (store .cse2 .cse3 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse4) v_DerPreprocessor_11)))) (= .cse7 (_ bv0 32)) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse6 .cse4)) (exists ((v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse9 (store (store .cse6 .cse4 v_DerPreprocessor_15) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse5)) v_DerPreprocessor_16))) (let ((.cse8 (select .cse9 .cse4))) (and (= .cse8 v_DerPreprocessor_15) (= .cse8 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse9 .cse5)))))) (exists ((v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32))) (= (select (store (store .cse6 .cse4 v_DerPreprocessor_13) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse5)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse4) v_DerPreprocessor_13)))))))))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((v_prenex_114 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse17 (select v_prenex_114 (_ bv8 32)))) (let ((.cse12 (bvadd (_ bv4 32) .cse17))) (let ((.cse13 (select .cse6 .cse12))) (let ((.cse11 (select (select (store |c_#memory_$Pointer$.offset| .cse13 v_prenex_114) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse14 (bvadd (_ bv4 32) .cse11))) (let ((.cse18 (select (select (store |c_#memory_$Pointer$.offset| .cse13 v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse14))) (let ((.cse19 (store (store .cse6 .cse12 v_DerPreprocessor_15) (bvadd (_ bv4 32) .cse18) v_DerPreprocessor_16))) (let ((.cse20 (select .cse19 .cse12)) (.cse15 (store .cse6 .cse12 v_DerPreprocessor_11)) (.cse16 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| .cse13 v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse14))) (.cse21 (select |c_#memory_$Pointer$.offset| .cse13))) (and (= .cse11 (_ bv0 32)) (= (select (store (store .cse6 .cse12 v_DerPreprocessor_13) (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse13 v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse14) (_ bv4 32)) .cse13) .cse12) v_DerPreprocessor_13) (= v_DerPreprocessor_9 (select (store (store .cse15 .cse16 v_DerPreprocessor_9) .cse12 .cse13) .cse16)) (not (= .cse13 (_ bv0 32))) (= .cse17 .cse18) (= (select (select |c_#memory_$Pointer$.base| .cse13) (_ bv4 32)) (_ bv0 32)) (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse19 .cse14)) (= .cse20 .cse13) (= (select .cse21 (_ bv4 32)) (_ bv0 32)) (= .cse20 v_DerPreprocessor_15) (bvult .cse13 |#StackHeapBarrier|) (= (select (store .cse15 .cse16 .cse13) .cse12) v_DerPreprocessor_11) (= (select .cse21 (_ bv8 32)) .cse17))))))))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((v_prenex_383 (_ BitVec 32)) (v_prenex_114 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_384 (_ BitVec 32)) (v_prenex_385 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_382 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_381 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_387 (_ BitVec 32)) (v_arrayElimCell_141 (_ BitVec 32)) (v_prenex_388 (_ BitVec 32)) (v_prenex_386 (_ BitVec 32))) (let ((.cse29 (select v_prenex_114 (_ bv8 32)))) (let ((.cse25 (bvadd (_ bv4 32) .cse29))) (let ((.cse24 (select .cse6 .cse25))) (let ((.cse26 (select (select (store |c_#memory_$Pointer$.offset| .cse24 v_prenex_114) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse30 (bvadd (_ bv4 32) .cse26))) (let ((.cse28 (select (select (store |c_#memory_$Pointer$.offset| .cse24 v_prenex_385) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse30))) (let ((.cse31 (store (store .cse6 .cse25 v_prenex_387) (bvadd .cse28 (_ bv4 32)) v_prenex_388))) (let ((.cse27 (select .cse31 .cse25)) (.cse22 (store .cse6 .cse25 v_prenex_384)) (.cse23 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| .cse24 v_prenex_382) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse30))) (.cse32 (select |c_#memory_$Pointer$.offset| .cse24))) (and (= (select (store (store .cse22 .cse23 v_prenex_386) (bvadd v_arrayElimCell_141 (_ bv4 32)) .cse24) .cse25) (_ bv0 32)) (= .cse26 (_ bv0 32)) (= .cse27 .cse24) (not (= .cse24 (_ bv0 32))) (= v_prenex_387 .cse27) (= (select (select |c_#memory_$Pointer$.base| .cse24) (_ bv4 32)) (_ bv0 32)) (= .cse28 .cse29) (= v_prenex_383 (select (store (store .cse6 .cse25 v_prenex_383) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| .cse24 v_prenex_381) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse30)) .cse24) .cse25)) (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse31 .cse30)) (= v_prenex_384 (select (store .cse22 .cse23 .cse24) .cse25)) (= (select .cse32 (_ bv4 32)) (_ bv0 32)) (bvult .cse24 |#StackHeapBarrier|) (= (select .cse32 (_ bv8 32)) .cse29))))))))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse34 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_prenex_111 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse42 (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_111) |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse35 (select .cse42 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse39 (bvadd .cse35 (_ bv4 32)))) (let ((.cse33 (select .cse42 .cse39))) (let ((.cse36 (bvadd .cse33 (_ bv4 32)))) (and (= .cse33 (select .cse34 (_ bv8 32))) (= .cse33 (select v_prenex_111 (_ bv8 32))) (= .cse35 (_ bv0 32)) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse6 .cse36)) (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse37 (store .cse6 .cse36 v_DerPreprocessor_11)) (.cse38 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse39)))) (and (= (select (store .cse37 .cse38 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse36) v_DerPreprocessor_11) (= v_DerPreprocessor_9 (select (store (store .cse37 .cse38 v_DerPreprocessor_9) .cse36 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse38))))) (exists ((v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse41 (store (store .cse6 .cse36 v_DerPreprocessor_15) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse39)) v_DerPreprocessor_16))) (let ((.cse40 (select .cse41 .cse36))) (and (= .cse40 v_DerPreprocessor_15) (= .cse40 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse41 .cse39)))))) (exists ((v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32))) (= (select (store (store .cse6 .cse36 v_DerPreprocessor_13) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse39)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse36) v_DerPreprocessor_13))))))))) (= (select .cse34 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|)))) .cse43) (and (exists ((|#StackHeapBarrier| (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_arrayElimArr_15 (Array (_ BitVec 32) (_ BitVec 32)))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32)) .cse44) (= v_DerPreprocessor_2 (select (store (store v_arrayElimArr_15 (_ bv8 32) v_DerPreprocessor_2) .cse45 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32))) (= (select v_arrayElimArr_15 (_ bv8 32)) (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32))) (= (select v_arrayElimArr_15 .cse45) (_ bv0 32)) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_arrayElimArr_15) .cse46) .cse47)) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (= (select v_arrayElimArr_15 (_ bv4 32)) (_ bv0 32)))) .cse48 .cse49) (and .cse49 (or (let ((.cse51 (select .cse52 .cse47))) (let ((.cse50 (select (select |c_#memory_$Pointer$.base| .cse51) .cse45))) (and (= (select (select |c_#memory_$Pointer$.base| .cse50) (_ bv4 32)) (_ bv0 32)) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult .cse50 |#StackHeapBarrier|) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (not (= .cse46 .cse50)) (= (select (select |c_#memory_$Pointer$.offset| .cse50) (_ bv8 32)) .cse44) .cse48 (= .cse51 .cse50) (not (= .cse50 (_ bv0 32)))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse55 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_19 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse58 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_19))) (let ((.cse53 (select (select .cse58 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse57 (bvadd (_ bv4 32) .cse53))) (let ((.cse54 (select (select .cse58 .cse46) .cse57)) (.cse56 (select .cse52 .cse57))) (and (= .cse53 (_ bv0 32)) (= .cse54 (select v_DerPreprocessor_19 (_ bv8 32))) (not (= .cse54 (_ bv0 32))) (= .cse54 (select .cse55 (_ bv8 32))) (not (= .cse46 .cse56)) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |c_#memory_$Pointer$.base| .cse56) (bvadd .cse54 (_ bv4 32)))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse56)) (not (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse56)))))))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse55 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse62 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_19 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse64 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_19))) (let ((.cse59 (select (select .cse64 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse63 (bvadd (_ bv4 32) .cse59))) (let ((.cse60 (select (select .cse64 .cse46) .cse63)) (.cse61 (select .cse52 .cse63))) (and (= .cse59 (_ bv0 32)) (= .cse60 (select v_DerPreprocessor_19 (_ bv8 32))) (not (= .cse61 (_ bv0 32))) (= .cse60 (select .cse62 (_ bv8 32))) (not (= .cse46 .cse61)) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |c_#memory_$Pointer$.base| .cse61) (bvadd .cse60 (_ bv4 32)))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse61)) (not (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse61)))))))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse62 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse71 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_prenex_209 (_ BitVec 32)) (v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_17 (_ BitVec 32))) (let ((.cse73 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7))) (let ((.cse72 (select .cse73 |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse70 (select .cse72 |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse66 (select |c_#memory_$Pointer$.base| v_DerPreprocessor_17))) (let ((.cse65 (select .cse66 |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse74 (bvadd (_ bv4 32) .cse70))) (let ((.cse69 (select (select .cse73 .cse65) .cse74))) (let ((.cse67 (bvadd (_ bv4 32) .cse69)) (.cse68 (select .cse66 .cse74))) (and (not (= .cse65 (_ bv0 32))) (= (select .cse66 .cse67) (_ bv0 32)) (= (select |c_#memory_$Pointer$.base| .cse68) (store .cse66 .cse67 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select v_DerPreprocessor_7 (_ bv8 32)) .cse69) (= .cse70 (_ bv0 32)) (= (select .cse71 (_ bv8 32)) .cse69) (= (store .cse72 .cse67 v_prenex_209) (select .cse73 .cse68)) (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse68) (= .cse65 v_DerPreprocessor_17))))))))) (= (select .cse71 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse78 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_5 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_22 (_ BitVec 32)) (v_ArrVal_1064 (_ BitVec 32))) (let ((.cse82 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_5))) (let ((.cse79 (select (select .cse82 v_DerPreprocessor_22) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse84 (bvadd .cse79 (_ bv4 32)))) (let ((.cse75 (select (select |c_#memory_$Pointer$.base| v_DerPreprocessor_4) .cse84))) (let ((.cse80 (select |c_#memory_$Pointer$.base| .cse75))) (let ((.cse76 (select .cse80 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse83 (select .cse82 .cse76))) (let ((.cse77 (select .cse83 .cse84))) (let ((.cse81 (bvadd .cse77 (_ bv4 32)))) (and (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse75) (= v_DerPreprocessor_4 .cse76) (= .cse77 (select .cse78 (_ bv8 32))) (= (select v_DerPreprocessor_5 (_ bv8 32)) .cse77) (not (= .cse76 (_ bv0 32))) (= .cse76 v_DerPreprocessor_22) (= .cse79 (_ bv0 32)) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse80 .cse81)) (not (= .cse75 .cse76)) (= (select .cse82 .cse75) (store .cse83 .cse81 v_ArrVal_1064))))))))))))) (= (select .cse78 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse91 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_prenex_208 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse93 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_208))) (let ((.cse87 (select (select .cse93 v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse85 (select |c_#memory_$Pointer$.base| v_DerPreprocessor_17))) (let ((.cse89 (select .cse85 |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse92 (bvadd (_ bv4 32) .cse87))) (let ((.cse88 (select (select .cse93 .cse89) .cse92))) (let ((.cse86 (bvadd (_ bv4 32) .cse88)) (.cse90 (select .cse85 .cse92))) (and (= (select .cse85 .cse86) (_ bv0 32)) (= .cse87 (_ bv0 32)) (= (select v_prenex_208 (_ bv8 32)) .cse88) (not (= .cse89 (_ bv0 32))) (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse90) (= (select .cse91 (_ bv8 32)) .cse88) (= .cse90 v_DerPreprocessor_20) (= (store .cse85 .cse86 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select |c_#memory_$Pointer$.base| .cse90)) (= .cse89 v_DerPreprocessor_17)))))))) (= (select .cse91 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))) (and (or (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse100 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (exists ((v_prenex_109 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse103 (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_109) |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse99 (select .cse103 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse97 (bvadd (_ bv4 32) .cse99))) (let ((.cse98 (select .cse103 .cse97))) (let ((.cse96 (bvadd (_ bv4 32) .cse98))) (and (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse94 (store .cse6 .cse96 v_DerPreprocessor_11)) (.cse95 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse97)))) (and (= v_DerPreprocessor_9 (select (store (store .cse94 .cse95 v_DerPreprocessor_9) .cse96 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse95)) (= (select (store .cse94 .cse95 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse96) v_DerPreprocessor_11)))) (= .cse98 (select v_prenex_109 (_ bv8 32))) (= .cse99 (_ bv0 32)) (= (select .cse6 .cse96) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (exists ((v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32))) (= (select (store (store .cse6 .cse96 v_DerPreprocessor_13) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse97)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse96) v_DerPreprocessor_13)) (= .cse98 (select .cse100 (_ bv8 32))) (exists ((v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse102 (store (store .cse6 .cse96 v_DerPreprocessor_15) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse97)) v_DerPreprocessor_16))) (let ((.cse101 (select .cse102 .cse96))) (and (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse101) (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse102 .cse97)) (= .cse101 v_DerPreprocessor_15)))))))))))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select .cse100 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse112 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_prenex_113 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse115 (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_113) |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse111 (select .cse115 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse109 (bvadd (_ bv4 32) .cse111))) (let ((.cse110 (select .cse115 .cse109))) (let ((.cse106 (bvadd .cse110 (_ bv4 32)))) (and (exists ((v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_arrayElimCell_141 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse108 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse109)))) (let ((.cse104 (store .cse6 .cse106 v_DerPreprocessor_11)) (.cse107 (store (store .cse6 .cse106 v_DerPreprocessor_13) .cse108 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (.cse105 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse109)))) (and (= (_ bv0 32) (select (store (store .cse104 .cse105 v_DerPreprocessor_9) (bvadd v_arrayElimCell_141 (_ bv4 32)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse106)) (= (select (store .cse104 .cse105 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse106) v_DerPreprocessor_11) (= (select .cse107 .cse106) v_DerPreprocessor_13) (= .cse107 (store (store .cse104 .cse105 (select .cse107 .cse105)) .cse108 |ULTIMATE.start_dll_append_~new_last~0#1.base|)))))) (= .cse110 (select v_prenex_113 (_ bv8 32))) (= (_ bv0 32) .cse111) (= .cse110 (select .cse112 (_ bv8 32))) (exists ((v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse113 (store (store .cse6 .cse106 v_DerPreprocessor_15) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse109)) v_DerPreprocessor_16))) (let ((.cse114 (select .cse113 .cse106))) (and (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse113 .cse109)) (= .cse114 v_DerPreprocessor_15) (= .cse114 |ULTIMATE.start_dll_append_~new_last~0#1.base|))))) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse6 .cse106))))))))) (= (select .cse112 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse122 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_prenex_109 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse125 (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_109) |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse121 (select .cse125 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse119 (bvadd (_ bv4 32) .cse121))) (let ((.cse120 (select .cse125 .cse119))) (let ((.cse118 (bvadd (_ bv4 32) .cse120))) (and (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_11 (_ BitVec 32)) (v_arrayElimCell_141 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse116 (store .cse6 .cse118 v_DerPreprocessor_11)) (.cse117 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse119)))) (and (= (select (store (store .cse116 .cse117 v_DerPreprocessor_9) (bvadd v_arrayElimCell_141 (_ bv4 32)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse118) (_ bv0 32)) (= (select (store .cse116 .cse117 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse118) v_DerPreprocessor_11)))) (= .cse120 (select v_prenex_109 (_ bv8 32))) (= .cse121 (_ bv0 32)) (= (select .cse6 .cse118) |ULTIMATE.start_dll_append_~new_last~0#1.base|) (exists ((v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32))) (= (select (store (store .cse6 .cse118 v_DerPreprocessor_13) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse119)) |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse118) v_DerPreprocessor_13)) (= .cse120 (select .cse122 (_ bv8 32))) (exists ((v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse124 (store (store .cse6 .cse118 v_DerPreprocessor_15) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse119)) v_DerPreprocessor_16))) (let ((.cse123 (select .cse124 .cse118))) (and (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse123) (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse124 .cse119)) (= .cse123 v_DerPreprocessor_15)))))))))))) (= (select .cse122 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse126 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select .cse126 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)) (exists ((v_prenex_113 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse137 (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_113) |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse128 (select .cse137 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse134 (bvadd (_ bv4 32) .cse128))) (let ((.cse127 (select .cse137 .cse134))) (let ((.cse131 (bvadd .cse127 (_ bv4 32)))) (and (= .cse127 (select v_prenex_113 (_ bv8 32))) (= (_ bv0 32) .cse128) (= .cse127 (select .cse126 (_ bv8 32))) (exists ((v_prenex_117 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (let ((.cse133 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_117) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse134)))) (let ((.cse132 (store (store .cse6 .cse131 v_DerPreprocessor_13) .cse133 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (.cse129 (store .cse6 .cse131 v_DerPreprocessor_11)) (.cse130 (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse134)))) (and (= (select (store .cse129 .cse130 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse131) v_DerPreprocessor_11) (= (select .cse132 .cse131) v_DerPreprocessor_13) (= .cse132 (store (store .cse129 .cse130 (select .cse132 .cse130)) .cse133 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= v_DerPreprocessor_9 (select (store (store .cse129 .cse130 v_DerPreprocessor_9) .cse131 |ULTIMATE.start_dll_append_~new_last~0#1.base|) .cse130)))))) (exists ((v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (let ((.cse135 (store (store .cse6 .cse131 v_DerPreprocessor_15) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#s~0#1.base|) .cse134)) v_DerPreprocessor_16))) (let ((.cse136 (select .cse135 .cse131))) (and (= |c_ULTIMATE.start_main_~#s~0#1.base| (select .cse135 .cse134)) (= .cse136 v_DerPreprocessor_15) (= .cse136 |ULTIMATE.start_dll_append_~new_last~0#1.base|))))) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse6 .cse131)))))))))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|)))) .cse43) (and (= (select .cse6 .cse45) (_ bv0 32)) (exists ((|#StackHeapBarrier| (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32)) .cse44) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base| (store .cse6 (_ bv8 32) (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32)))) .cse46) .cse47)) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (= (select .cse6 (_ bv4 32)) (_ bv0 32)) .cse48 .cse49) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse140 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_6 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse144 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_6))) (let ((.cse142 (select (select .cse144 v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse145 (bvadd (_ bv4 32) .cse142))) (let ((.cse139 (select (select |c_#memory_$Pointer$.base| v_DerPreprocessor_4) .cse145))) (let ((.cse143 (select |c_#memory_$Pointer$.base| .cse139))) (let ((.cse138 (select .cse143 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse141 (select (select .cse144 .cse138) .cse145))) (and (not (= .cse138 .cse139)) (= .cse139 v_DerPreprocessor_21) (= (select .cse140 (_ bv8 32)) .cse141) (= .cse142 (_ bv0 32)) (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse139) (= v_DerPreprocessor_4 .cse138) (not (= .cse138 (_ bv0 32))) (= (select v_DerPreprocessor_6 (_ bv8 32)) .cse141) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse143 (bvadd (_ bv4 32) .cse141)))))))))))) (= (select .cse140 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (and (not .cse43) .cse49 (exists ((|#StackHeapBarrier| (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_18 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse149 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_18))) (let ((.cse150 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (.cse148 (select (select .cse149 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse146 (bvadd (_ bv4 32) .cse148)) (.cse147 (select .cse150 (_ bv8 32)))) (and (= (select .cse52 .cse146) .cse46) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select .cse52 (bvadd (_ bv4 32) .cse147))) (= .cse148 (_ bv0 32)) (= (select (select .cse149 .cse46) .cse146) .cse147) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (= (select .cse150 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= (select v_DerPreprocessor_18 (_ bv8 32)) .cse147))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse159 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_prenex_204 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1064 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32))) (let ((.cse152 (select |c_#memory_$Pointer$.base| v_DerPreprocessor_17))) (let ((.cse155 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_204)) (.cse157 (select .cse152 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse156 (select .cse155 .cse157))) (let ((.cse158 (select .cse156 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse160 (bvadd (_ bv4 32) .cse158))) (let ((.cse151 (select .cse156 .cse160))) (let ((.cse154 (select .cse152 .cse160)) (.cse153 (bvadd (_ bv4 32) .cse151))) (and (= .cse151 (select v_prenex_204 (_ bv8 32))) (= (_ bv0 32) (select .cse152 .cse153)) (= |c_ULTIMATE.start_main_~#s~0#1.base| .cse154) (= (select .cse155 |c_ULTIMATE.start_main_~#s~0#1.base|) .cse156) (not (= .cse157 (_ bv0 32))) (= .cse158 (_ bv0 32)) (= (store .cse152 .cse153 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select |c_#memory_$Pointer$.base| .cse154)) (= (select .cse155 .cse154) (store .cse156 .cse153 v_ArrVal_1064)) (= .cse151 (select .cse159 (_ bv8 32))) (= .cse157 v_DerPreprocessor_17)))))))))) (= (select .cse159 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))) (and (let ((.cse177 (= .cse52 .cse6))) (or (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse161 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse161 (_ bv4 32)) (_ bv0 32)) (exists ((v_prenex_85 (_ BitVec 32)) (v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse162 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8))) (let ((.cse167 (select (select .cse162 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse164 (select .cse162 .cse46)) (.cse168 (bvadd (_ bv4 32) .cse167))) (let ((.cse166 (select .cse164 .cse168))) (let ((.cse163 (select .cse6 .cse168)) (.cse165 (bvadd (_ bv4 32) .cse166))) (and (= (select .cse162 .cse163) (store .cse164 .cse165 v_prenex_85)) (= (select v_DerPreprocessor_8 (_ bv8 32)) .cse166) (= .cse166 (select .cse161 (_ bv8 32))) (= .cse46 .cse163) (= (select .cse6 .cse165) (_ bv0 32)) (= (select |c_#memory_$Pointer$.base| .cse163) (store .cse6 .cse165 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= .cse167 (_ bv0 32))))))))) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (and (exists ((|#StackHeapBarrier| (_ BitVec 32)) (v_prenex_85 (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse169 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8))) (let ((.cse175 (select (select .cse169 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse171 (select .cse169 .cse46)) (.cse176 (bvadd (_ bv4 32) .cse175))) (let ((.cse173 (select .cse171 .cse176))) (let ((.cse174 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (.cse170 (select .cse6 .cse176)) (.cse172 (bvadd (_ bv4 32) .cse173))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select .cse169 .cse170) (store .cse171 .cse172 v_prenex_85)) (= (select v_DerPreprocessor_8 (_ bv8 32)) .cse173) (= .cse173 (select .cse174 (_ bv8 32))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (not (= .cse173 (_ bv0 32))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse6 .cse172) (_ bv0 32)) (= (select .cse174 (_ bv4 32)) (_ bv0 32)) (= (select |c_#memory_$Pointer$.base| .cse170) (store .cse6 .cse172 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= .cse175 (_ bv0 32))))))))) .cse177) (and .cse177 (exists ((|#StackHeapBarrier| (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32)) (v_ArrVal_1064 (_ BitVec 32)) (v_DerPreprocessor_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse182 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_7))) (let ((.cse183 (select .cse182 |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse184 (select .cse183 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse185 (bvadd (_ bv4 32) .cse184))) (let ((.cse180 (select (select .cse182 .cse46) .cse185))) (let ((.cse179 (select .cse6 .cse185)) (.cse178 (bvadd (_ bv4 32) .cse180)) (.cse181 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select .cse6 .cse178) (_ bv0 32)) (= (store .cse6 .cse178 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select |c_#memory_$Pointer$.base| .cse179)) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (= .cse180 (select .cse181 (_ bv8 32))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse182 .cse179) (store .cse183 .cse178 v_ArrVal_1064)) (not (= .cse180 (_ bv0 32))) (= (select .cse181 (_ bv4 32)) (_ bv0 32)) (= .cse184 (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= .cse180 (select v_DerPreprocessor_7 (_ bv8 32)))))))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse187 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse190 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8))) (let ((.cse192 (select (select .cse190 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse186 (select v_DerPreprocessor_8 (_ bv8 32))) (.cse191 (bvadd (_ bv4 32) .cse192))) (let ((.cse188 (select .cse6 .cse191)) (.cse189 (bvadd .cse186 (_ bv4 32)))) (and (= .cse186 (select .cse187 (_ bv8 32))) (= .cse46 .cse188) (= (select .cse6 .cse189) (_ bv0 32)) (= .cse186 (select (select .cse190 .cse188) .cse191)) (= (select |c_#memory_$Pointer$.base| .cse188) (store .cse6 .cse189 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= .cse192 (_ bv0 32)))))))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse187 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|))) (and (exists ((|#StackHeapBarrier| (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1064 (_ BitVec 32))) (let ((.cse195 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8))) (let ((.cse196 (select .cse195 .cse46))) (let ((.cse199 (select .cse196 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse200 (bvadd .cse199 (_ bv4 32)))) (let ((.cse194 (select .cse196 .cse200))) (let ((.cse197 (select .cse6 .cse200)) (.cse193 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (.cse198 (bvadd (_ bv4 32) .cse194))) (and (= (select .cse193 (_ bv8 32)) .cse194) (= (select .cse195 |c_ULTIMATE.start_main_~#s~0#1.base|) .cse196) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select .cse195 .cse197) (store .cse196 .cse198 v_ArrVal_1064)) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (= (select |c_#memory_$Pointer$.base| .cse197) (store .cse6 .cse198 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= .cse199 (_ bv0 32)) (= (select v_DerPreprocessor_8 (_ bv8 32)) .cse194) (= (select .cse193 (_ bv4 32)) (_ bv0 32)) (= (select .cse6 .cse198) (_ bv0 32)) (not (= .cse194 (_ bv0 32))) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)))))))))) .cse177) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse201 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1064 (_ BitVec 32))) (let ((.cse203 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8))) (let ((.cse204 (select .cse203 .cse46))) (let ((.cse207 (select .cse204 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse208 (bvadd .cse207 (_ bv4 32)))) (let ((.cse202 (select .cse204 .cse208))) (let ((.cse205 (select .cse6 .cse208)) (.cse206 (bvadd (_ bv4 32) .cse202))) (and (= (select .cse201 (_ bv8 32)) .cse202) (= (select .cse203 |c_ULTIMATE.start_main_~#s~0#1.base|) .cse204) (= .cse46 .cse205) (= (select .cse203 .cse205) (store .cse204 .cse206 v_ArrVal_1064)) (= (select |c_#memory_$Pointer$.base| .cse205) (store .cse6 .cse206 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= .cse207 (_ bv0 32)) (= (select v_DerPreprocessor_8 (_ bv8 32)) .cse202) (= (select .cse6 .cse206) (_ bv0 32)))))))))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (= (select .cse201 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse212 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| .cse46)) (exists ((v_DerPreprocessor_8 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_1064 (_ BitVec 32))) (let ((.cse213 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_DerPreprocessor_8))) (let ((.cse214 (select .cse213 |c_ULTIMATE.start_main_~#s~0#1.base|))) (let ((.cse215 (select .cse214 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse216 (bvadd (_ bv4 32) .cse215))) (let ((.cse209 (select .cse214 .cse216))) (let ((.cse210 (select .cse6 .cse216)) (.cse211 (bvadd (_ bv4 32) .cse209))) (and (= (select v_DerPreprocessor_8 (_ bv8 32)) .cse209) (= (select |c_#memory_$Pointer$.base| .cse210) (store .cse6 .cse211 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= .cse46 .cse210) (= (select .cse212 (_ bv8 32)) .cse209) (= (select .cse6 .cse211) (_ bv0 32)) (= (select .cse213 .cse210) (store .cse214 .cse211 v_ArrVal_1064)) (= .cse215 (_ bv0 32)))))))))) (= (select .cse212 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32))))))))) .cse49) (and (= (_ bv4 32) .cse44) (exists ((|#StackHeapBarrier| (_ BitVec 32)) (|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_arrayElimArr_15 (Array (_ BitVec 32) (_ BitVec 32)))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (= (select (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32)) .cse44) (= v_DerPreprocessor_2 (select (store (store v_arrayElimArr_15 (_ bv8 32) v_DerPreprocessor_2) .cse45 |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32))) (= (select v_arrayElimArr_15 (_ bv8 32)) (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv8 32))) (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_arrayElimArr_15) .cse46) .cse47)) (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (= (select v_arrayElimArr_15 (_ bv4 32)) (_ bv0 32)))) .cse48 .cse49) (exists ((|#StackHeapBarrier| (_ BitVec 32))) (and (bvult |#StackHeapBarrier| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|ULTIMATE.start_dll_append_~new_last~0#1.base| (_ BitVec 32))) (let ((.cse223 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (and (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (_ bv0 32))) (bvult |ULTIMATE.start_dll_append_~new_last~0#1.base| |#StackHeapBarrier|) (exists ((v_prenex_202 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_203 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32))) (let ((.cse219 (select |c_#memory_$Pointer$.base| v_DerPreprocessor_17))) (let ((.cse224 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~new_last~0#1.base| v_prenex_202)) (.cse221 (select .cse219 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse225 (select .cse224 .cse221))) (let ((.cse217 (select .cse225 |c_ULTIMATE.start_main_~#s~0#1.offset|))) (let ((.cse226 (bvadd (_ bv4 32) .cse217))) (let ((.cse222 (select .cse225 .cse226))) (let ((.cse218 (select .cse219 .cse226)) (.cse220 (bvadd .cse222 (_ bv4 32)))) (and (= .cse217 (_ bv0 32)) (= (select |c_#memory_$Pointer$.base| .cse218) (store .cse219 .cse220 |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= .cse218 |c_ULTIMATE.start_main_~#s~0#1.base|) (not (= .cse221 (_ bv0 32))) (= .cse222 (select .cse223 (_ bv8 32))) (= (select .cse224 .cse218) (store .cse225 .cse220 v_prenex_203)) (= (select .cse219 .cse220) (_ bv0 32)) (= .cse222 (select v_prenex_202 (_ bv8 32))) (= .cse221 v_DerPreprocessor_17)))))))))) (= (select .cse223 (_ bv4 32)) (_ bv0 32)) (= (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (_ bv4 32)) (_ bv0 32)))))))))))) (= |c_ULTIMATE.start_main_~#s~0#1.offset| (_ bv0 32))) is different from false