./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/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_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/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_6e40c88e-26b1-4081-8687-b981d38fabe6/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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- 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 07:37:08,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:37:08,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:37:08,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:37:08,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:37:08,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:37:08,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:37:08,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:37:08,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:37:08,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:37:08,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:37:08,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:37:08,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:37:08,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:37:08,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:37:08,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:37:08,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:37:08,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:37:08,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:37:08,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:37:08,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:37:08,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:37:08,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:37:08,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:37:08,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:37:08,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:37:08,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:37:08,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:37:08,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:37:08,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:37:08,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:37:08,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:37:08,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:37:08,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:37:08,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:37:08,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:37:08,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:37:08,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:37:08,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:37:08,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:37:08,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:37:08,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:37:08,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:37:08,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:37:08,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:37:08,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:37:08,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:37:08,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:37:08,917 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:37:08,917 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:37:08,917 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:37:08,917 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:37:08,917 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:37:08,917 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:37:08,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:37:08,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:37:08,918 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:37:08,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:37:08,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:37:08,919 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:37:08,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:37:08,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:37:08,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:37:08,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:37:08,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:37:08,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:37:08,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:37:08,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:37:08,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:37:08,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:37:08,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:37:08,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:37:08,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:37:08,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:37:08,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:37:08,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:37:08,922 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:37:08,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:37:08,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:37:08,923 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:37:08,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:37:08,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:37:08,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:37:08,923 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_6e40c88e-26b1-4081-8687-b981d38fabe6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2022-11-19 07:37:09,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:37:09,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:37:09,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:37:09,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:37:09,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:37:09,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-11-19 07:37:09,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/data/b31fb69b4/203aac8664284b65b0d33dc772fc16d7/FLAG066e392b1 [2022-11-19 07:37:09,885 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:37:09,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-11-19 07:37:09,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/data/b31fb69b4/203aac8664284b65b0d33dc772fc16d7/FLAG066e392b1 [2022-11-19 07:37:10,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/data/b31fb69b4/203aac8664284b65b0d33dc772fc16d7 [2022-11-19 07:37:10,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:37:10,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:37:10,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:37:10,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:37:10,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:37:10,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:10" (1/1) ... [2022-11-19 07:37:10,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1740a7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:10, skipping insertion in model container [2022-11-19 07:37:10,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:10" (1/1) ... [2022-11-19 07:37:10,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:37:10,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:37:10,721 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_6e40c88e-26b1-4081-8687-b981d38fabe6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-11-19 07:37:10,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:37:10,858 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:37:10,904 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_6e40c88e-26b1-4081-8687-b981d38fabe6/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-11-19 07:37:10,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:37:11,027 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:37:11,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11 WrapperNode [2022-11-19 07:37:11,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:37:11,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:37:11,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:37:11,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:37:11,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,170 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-19 07:37:11,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:37:11,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:37:11,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:37:11,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:37:11,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:37:11,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:37:11,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:37:11,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:37:11,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (1/1) ... [2022-11-19 07:37:11,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:37:11,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:11,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:37:11,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:37:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:37:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:37:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:37:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:37:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:37:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:37:11,714 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:37:11,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:37:12,962 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:37:13,323 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:37:13,323 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-19 07:37:13,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:13 BoogieIcfgContainer [2022-11-19 07:37:13,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:37:13,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:37:13,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:37:13,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:37:13,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:10" (1/3) ... [2022-11-19 07:37:13,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb67220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:13, skipping insertion in model container [2022-11-19 07:37:13,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:11" (2/3) ... [2022-11-19 07:37:13,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb67220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:13, skipping insertion in model container [2022-11-19 07:37:13,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:13" (3/3) ... [2022-11-19 07:37:13,340 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i [2022-11-19 07:37:13,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:37:13,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:37:13,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:37:13,446 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;@60233f07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:37:13,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:37:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:37:13,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:37:13,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:13,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:13,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:13,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:13,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-19 07:37:13,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:13,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442198342] [2022-11-19 07:37:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:13,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:13,736 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 07:37:13,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:13,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442198342] [2022-11-19 07:37:13,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442198342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:13,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:13,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:37:13,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628093136] [2022-11-19 07:37:13,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:13,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:13,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:13,790 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:37:14,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:14,672 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-19 07:37:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:14,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 07:37:14,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:14,685 INFO L225 Difference]: With dead ends: 237 [2022-11-19 07:37:14,685 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 07:37:14,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:37:14,692 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:14,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:37:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 07:37:14,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-19 07:37:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:37:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-19 07:37:14,737 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-19 07:37:14,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:14,737 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-19 07:37:14,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:37:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-19 07:37:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:37:14,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:14,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:14,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:37:14,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:14,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-19 07:37:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:14,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911430914] [2022-11-19 07:37:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:14,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:14,907 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:37:14,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [522273487] [2022-11-19 07:37:14,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:14,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:14,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:14,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:14,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:37:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:15,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:37:15,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:15,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:37:15,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:15,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911430914] [2022-11-19 07:37:15,788 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:37:15,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522273487] [2022-11-19 07:37:15,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522273487] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:15,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [60312412] [2022-11-19 07:37:15,808 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-19 07:37:15,809 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:37:15,812 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:37:15,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:37:15,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:37:15,981 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:37:15,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 07:37:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,011 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 22 treesize of output 7 [2022-11-19 07:37:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,024 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 22 treesize of output 7 [2022-11-19 07:37:16,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:37:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,049 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:37:16,049 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:37:16,094 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:37:16,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:37:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:37:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:16,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:37:16,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:16,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:17,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:17,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:37:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:17,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:37:17,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:17,349 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:37:25,176 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:37:32,393 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:37:32,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [60312412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:32,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:37:32,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 07:37:32,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799165] [2022-11-19 07:37:32,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:32,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:37:32,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:32,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:37:32,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:37:32,402 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:37:35,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:35,239 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2022-11-19 07:37:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:37:35,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:37:35,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:35,249 INFO L225 Difference]: With dead ends: 170 [2022-11-19 07:37:35,249 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 07:37:35,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:37:35,251 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 11 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:35,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 253 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 10 Unchecked, 2.8s Time] [2022-11-19 07:37:35,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 07:37:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 07:37:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 07:37:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-19 07:37:35,270 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-19 07:37:35,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:35,270 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-19 07:37:35,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:37:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-19 07:37:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:37:35,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:35,272 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:35,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:37:35,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:35,487 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:35,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:35,488 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-19 07:37:35,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:35,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242659374] [2022-11-19 07:37:35,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:35,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:35,561 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:37:35,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614912220] [2022-11-19 07:37:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:35,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:35,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:37:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:36,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:37:36,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:36,133 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 07:37:36,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:37:36,214 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 07:37:36,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:36,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242659374] [2022-11-19 07:37:36,215 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:37:36,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614912220] [2022-11-19 07:37:36,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614912220] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:37:36,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [841227020] [2022-11-19 07:37:36,222 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:37:36,223 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:37:36,223 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:37:36,224 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:37:36,224 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:37:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,270 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 22 treesize of output 7 [2022-11-19 07:37:36,305 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:37:36,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:37:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:37:36,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 07:37:36,332 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 07:37:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,347 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 22 treesize of output 7 [2022-11-19 07:37:36,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:36,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:37:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 07:37:36,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:37:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:37:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:36,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:37:37,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:37:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:37,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:37:37,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:37:37,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:37:37,179 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:37:37,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:37:37,264 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:37:37,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:37:38,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:38,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:37:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:37:38,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:37:38,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:37:38,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:37:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-19 07:37:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-19 07:37:38,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:37:38,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:37:38,678 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:37:38,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 07:37:38,780 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:37:38,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:37:38,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:37:38,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:37:38,962 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 07:37:39,067 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:37:53,144 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:03,040 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:14,857 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:27,059 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:38:27,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [841227020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:27,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:38:27,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 07:38:27,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286583665] [2022-11-19 07:38:27,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:27,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:38:27,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:27,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:38:27,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:38:27,878 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:38:30,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:30,770 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-19 07:38:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:38:30,776 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-19 07:38:30,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:30,777 INFO L225 Difference]: With dead ends: 175 [2022-11-19 07:38:30,777 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 07:38:30,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 48.8s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:38:30,779 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 79 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:30,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 448 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 79 Unchecked, 2.9s Time] [2022-11-19 07:38:30,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 07:38:30,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-19 07:38:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-19 07:38:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-19 07:38:30,810 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-19 07:38:30,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:30,810 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-19 07:38:30,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:38:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-19 07:38:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:38:30,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:30,817 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:30,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:38:31,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:31,018 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:31,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:31,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-19 07:38:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:31,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760276744] [2022-11-19 07:38:31,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:31,078 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:31,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405573633] [2022-11-19 07:38:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:31,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:31,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:31,080 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:31,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e40c88e-26b1-4081-8687-b981d38fabe6/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:38:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:31,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:38:31,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:31,643 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 07:38:31,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:38:31,724 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 07:38:31,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:31,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760276744] [2022-11-19 07:38:31,725 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:31,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405573633] [2022-11-19 07:38:31,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405573633] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:38:31,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [981585974] [2022-11-19 07:38:31,728 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:38:31,728 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:38:31,729 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:38:31,729 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:38:31,729 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:38:31,798 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:38:31,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 07:38:31,809 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 07:38:31,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:31,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:38:31,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 07:38:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:31,838 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 22 treesize of output 7 [2022-11-19 07:38:31,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:31,851 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 22 treesize of output 7 [2022-11-19 07:38:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 07:38:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 07:38:32,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:32,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 07:38:32,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:38:32,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:32,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 07:38:32,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:32,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 07:38:32,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:38:32,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 07:38:32,634 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:38:32,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 07:38:32,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 07:38:32,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:38:32,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:38:32,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:38:32,843 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:38:32,844 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 51 treesize of output 54 [2022-11-19 07:38:32,875 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 07:38:32,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-19 07:38:32,907 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:38:32,907 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 43 treesize of output 46 [2022-11-19 07:38:32,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:38:32,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:38:32,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:38:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:38:33,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:38:33,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:38:33,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:33,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 07:38:33,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 07:38:33,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:38:34,448 INFO L217 Elim1Store]: Index analysis took 892 ms [2022-11-19 07:38:36,533 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 07:38:36,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-19 07:38:37,318 INFO L217 Elim1Store]: Index analysis took 590 ms [2022-11-19 07:38:40,993 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 07:38:40,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-19 07:38:53,937 WARN L233 SmtUtils]: Spent 12.90s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:38:53,937 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:38:53,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-19 07:38:54,137 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-19 07:39:21,996 WARN L233 SmtUtils]: Spent 27.86s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:39:21,996 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:39:21,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-19 07:39:22,988 INFO L217 Elim1Store]: Index analysis took 799 ms [2022-11-19 07:39:48,774 WARN L233 SmtUtils]: Spent 25.02s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:39:48,775 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 07:39:48,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-19 07:39:50,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:39:50,297 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-19 07:39:50,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:39:50,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:39:50,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-19 07:43:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:05,805 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 11 [2022-11-19 07:43:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:05,999 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 11 [2022-11-19 07:46:48,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:46:48,460 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 11 [2022-11-19 07:46:48,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:46:48,660 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 11