./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur --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 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- 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-38b53e6 [2022-11-26 00:56:03,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:56:03,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:56:03,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:56:03,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:56:03,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:56:03,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:56:03,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:56:03,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:56:03,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:56:03,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:56:03,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:56:03,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:56:03,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:56:03,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:56:03,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:56:03,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:56:03,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:56:03,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:56:03,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:56:03,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:56:03,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:56:03,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:56:03,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:56:03,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:56:03,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:56:03,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:56:03,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:56:03,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:56:03,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:56:03,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:56:03,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:56:03,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:56:03,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:56:03,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:56:03,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:56:03,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:56:03,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:56:03,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:56:03,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:56:03,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:56:03,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:56:03,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:56:03,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:56:03,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:56:03,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:56:03,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:56:03,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:56:03,894 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:56:03,895 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:56:03,895 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:56:03,895 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:56:03,897 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:56:03,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:56:03,897 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:56:03,898 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:56:03,898 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:56:03,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:56:03,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:56:03,899 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:56:03,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:56:03,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:56:03,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:56:03,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:56:03,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:56:03,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:56:03,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:56:03,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:56:03,903 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:56:03,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:56:03,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:56:03,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:56:03,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:56:03,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:56:03,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:56:03,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:56:03,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:56:03,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:56:03,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:56:03,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:56:03,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:56:03,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:56:03,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:56:03,908 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_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2022-11-26 00:56:04,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:56:04,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:56:04,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:56:04,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:56:04,309 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:56:04,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2022-11-26 00:56:07,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:56:07,686 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:56:07,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2022-11-26 00:56:07,717 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/data/b790f0f8a/5615b7fdcd074c388a2146106f852eb0/FLAG164e98974 [2022-11-26 00:56:07,737 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/data/b790f0f8a/5615b7fdcd074c388a2146106f852eb0 [2022-11-26 00:56:07,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:56:07,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:56:07,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:56:07,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:56:07,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:56:07,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:56:07" (1/1) ... [2022-11-26 00:56:07,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3604107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:07, skipping insertion in model container [2022-11-26 00:56:07,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:56:07" (1/1) ... [2022-11-26 00:56:07,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:56:07,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:56:08,436 WARN L237 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_496b4720-ecf2-44c9-bf6b-b6c3254c696e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2022-11-26 00:56:08,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:56:08,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:56:08,688 WARN L237 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_496b4720-ecf2-44c9-bf6b-b6c3254c696e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i[33021,33034] [2022-11-26 00:56:08,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:56:08,778 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:56:08,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08 WrapperNode [2022-11-26 00:56:08,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:56:08,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:56:08,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:56:08,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:56:08,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:08,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:08,878 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-11-26 00:56:08,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:56:08,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:56:08,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:56:08,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:56:08,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:08,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:08,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:08,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:08,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:09,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:09,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:09,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:09,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:56:09,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:56:09,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:56:09,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:56:09,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (1/1) ... [2022-11-26 00:56:09,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:56:09,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:56:09,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:56:09,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:56:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:56:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:56:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:56:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:56:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:56:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:56:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:56:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:56:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:56:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:56:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:56:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:56:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:56:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:56:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:56:09,421 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:56:09,423 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:56:11,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:56:12,322 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:56:12,322 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-26 00:56:12,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:12 BoogieIcfgContainer [2022-11-26 00:56:12,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:56:12,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:56:12,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:56:12,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:56:12,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:56:07" (1/3) ... [2022-11-26 00:56:12,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3f1ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:56:12, skipping insertion in model container [2022-11-26 00:56:12,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:08" (2/3) ... [2022-11-26 00:56:12,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3f1ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:56:12, skipping insertion in model container [2022-11-26 00:56:12,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:12" (3/3) ... [2022-11-26 00:56:12,338 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-1.i [2022-11-26 00:56:12,358 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:56:12,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:56:12,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:56:12,441 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;@20bd5d92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:56:12,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:56:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:56:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:56:12,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:12,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:12,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:12,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-11-26 00:56:12,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:12,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244375555] [2022-11-26 00:56:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:12,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:56:12,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:12,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244375555] [2022-11-26 00:56:12,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244375555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:12,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:12,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:56:12,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381323813] [2022-11-26 00:56:12,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:12,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:12,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:12,736 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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) [2022-11-26 00:56:15,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:18,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:20,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:20,230 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-11-26 00:56:20,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:20,242 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 [2022-11-26 00:56:20,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:20,252 INFO L225 Difference]: With dead ends: 347 [2022-11-26 00:56:20,252 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:56:20,255 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 [2022-11-26 00:56:20,258 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:20,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-26 00:56:20,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:56:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:56:20,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:56:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:56:20,315 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:56:20,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:20,316 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:56:20,316 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) [2022-11-26 00:56:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:56:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:56:20,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:20,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:20,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:56:20,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:20,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-11-26 00:56:20,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:20,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738574467] [2022-11-26 00:56:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:20,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:20,597 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:56:20,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [377244826] [2022-11-26 00:56:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:20,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:56:20,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:56:20,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:56:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:56:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:22,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:56:22,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:56:22,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:56:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:56:22,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:22,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738574467] [2022-11-26 00:56:22,437 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:56:22,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377244826] [2022-11-26 00:56:22,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377244826] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:56:22,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [983567230] [2022-11-26 00:56:22,471 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:56:22,471 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:56:22,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:56:22,482 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:56:22,482 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:56:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:22,651 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 [2022-11-26 00:56:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:22,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:56:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:22,687 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:56:22,687 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 [2022-11-26 00:56:22,746 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:56:22,747 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 [2022-11-26 00:56:22,764 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 [2022-11-26 00:56:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:22,784 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 [2022-11-26 00:56:23,232 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 [2022-11-26 00:56:23,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,295 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 [2022-11-26 00:56:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,348 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 [2022-11-26 00:56:23,387 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 [2022-11-26 00:56:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:56:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,442 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:56:23,442 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 [2022-11-26 00:56:23,485 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:56:23,486 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 [2022-11-26 00:56:23,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,507 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 [2022-11-26 00:56:23,556 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:56:23,556 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 [2022-11-26 00:56:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:23,578 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 [2022-11-26 00:56:24,094 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 [2022-11-26 00:56:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,162 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 [2022-11-26 00:56:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:24,226 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 [2022-11-26 00:56:24,305 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 [2022-11-26 00:56:24,350 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:56:32,428 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:56:39,825 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:56:39,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [983567230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:39,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:56:39,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:56:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190100326] [2022-11-26 00:56:39,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:56:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:39,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:56:39,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:56:39,853 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-11-26 00:56:45,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:56:47,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:56:49,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:56:56,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:57,044 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:56:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:56:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-11-26 00:56:57,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:57,047 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:56:57,047 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:56:57,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:56:57,049 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:57,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 466 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-26 00:56:57,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:56:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:56:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 00:56:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:56:57,091 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:56:57,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:57,091 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:56:57,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-11-26 00:56:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:56:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:56:57,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:57,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:57,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:56:57,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:56:57,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:57,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-11-26 00:56:57,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:57,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262871193] [2022-11-26 00:56:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:57,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:57,503 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:56:57,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644167542] [2022-11-26 00:56:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:57,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:56:57,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:56:57,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:56:57,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:56:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:58,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:56:58,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:56:58,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:56:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:56:58,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:58,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262871193] [2022-11-26 00:56:58,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:56:58,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644167542] [2022-11-26 00:56:58,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644167542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:56:58,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1900585224] [2022-11-26 00:56:58,839 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:56:58,840 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:56:58,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:56:58,840 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:56:58,840 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:56:58,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:58,988 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 [2022-11-26 00:56:59,025 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:56:59,026 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 [2022-11-26 00:56:59,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,044 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 [2022-11-26 00:56:59,055 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 [2022-11-26 00:56:59,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:56:59,072 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 [2022-11-26 00:56:59,359 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 [2022-11-26 00:56:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,409 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 [2022-11-26 00:56:59,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,517 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 [2022-11-26 00:56:59,560 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 [2022-11-26 00:56:59,595 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 [2022-11-26 00:56:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,672 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 [2022-11-26 00:56:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:56:59,747 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 [2022-11-26 00:56:59,787 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 [2022-11-26 00:56:59,851 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 [2022-11-26 00:56:59,931 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:56:59,931 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 [2022-11-26 00:56:59,951 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 [2022-11-26 00:56:59,979 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 [2022-11-26 00:57:00,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,036 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 [2022-11-26 00:57:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,383 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 [2022-11-26 00:57:00,430 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:57:00,431 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 [2022-11-26 00:57:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,449 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 [2022-11-26 00:57:00,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:57:00,459 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 [2022-11-26 00:57:00,469 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 [2022-11-26 00:57:00,859 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 [2022-11-26 00:57:00,882 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 [2022-11-26 00:57:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,933 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 [2022-11-26 00:57:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:00,980 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 [2022-11-26 00:57:01,037 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 [2022-11-26 00:57:01,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,106 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 [2022-11-26 00:57:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,165 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 [2022-11-26 00:57:01,201 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 [2022-11-26 00:57:01,269 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 [2022-11-26 00:57:01,360 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:57:01,361 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 [2022-11-26 00:57:01,378 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 [2022-11-26 00:57:01,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:01,452 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 [2022-11-26 00:57:01,487 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 [2022-11-26 00:57:01,851 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:57:01,953 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:57:08,083 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:57:15,713 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:57:25,971 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:57:38,613 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:57:51,797 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:57:52,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1900585224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:52,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:57:52,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:57:52,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049755919] [2022-11-26 00:57:52,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:52,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:57:52,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:52,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:57:52,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:57:52,501 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2022-11-26 00:57:54,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:57:57,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:57:59,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:01,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:03,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:05,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:07,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:09,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:11,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:19,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:20,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:23,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:58:25,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:26,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:26,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:26,897 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:58:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:58:26,898 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 65 [2022-11-26 00:58:26,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:26,900 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:58:26,900 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:58:26,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.5s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:58:26,902 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:26,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 389 Invalid, 11 Unknown, 0 Unchecked, 34.3s Time] [2022-11-26 00:58:26,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:58:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:58:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-26 00:58:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:58:26,933 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:58:26,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:26,934 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:58:26,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2022-11-26 00:58:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:58:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:58:26,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:26,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:26,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:58:27,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:27,148 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:58:27,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:27,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-11-26 00:58:27,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:27,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076330014] [2022-11-26 00:58:27,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:27,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:27,300 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:58:27,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144975406] [2022-11-26 00:58:27,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:27,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:27,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:58:27,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:58:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_496b4720-ecf2-44c9-bf6b-b6c3254c696e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:58:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:58:28,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:58:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:58:28,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:58:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:58:28,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:28,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076330014] [2022-11-26 00:58:28,888 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:58:28,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144975406] [2022-11-26 00:58:28,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144975406] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:58:28,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1559498527] [2022-11-26 00:58:28,892 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:58:28,892 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:58:28,893 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:58:28,893 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:58:28,893 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:58:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:28,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:58:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,002 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:58:29,003 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 [2022-11-26 00:58:29,050 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:58:29,051 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 [2022-11-26 00:58:29,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,069 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 [2022-11-26 00:58:29,078 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 [2022-11-26 00:58:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,096 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 [2022-11-26 00:58:29,424 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 [2022-11-26 00:58:29,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,483 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 [2022-11-26 00:58:29,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,541 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 [2022-11-26 00:58:29,582 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 [2022-11-26 00:58:29,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,665 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 [2022-11-26 00:58:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,754 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 [2022-11-26 00:58:29,788 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 [2022-11-26 00:58:29,806 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 [2022-11-26 00:58:29,847 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 [2022-11-26 00:58:29,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:29,890 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 [2022-11-26 00:58:29,930 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 [2022-11-26 00:58:30,010 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:58:30,010 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 [2022-11-26 00:58:30,095 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:58:30,096 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 [2022-11-26 00:58:30,236 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 [2022-11-26 00:58:30,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:58:30,247 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 [2022-11-26 00:58:30,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:58:30,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:58:30,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:58:30,299 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 [2022-11-26 00:58:30,306 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 [2022-11-26 00:58:30,313 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 [2022-11-26 00:58:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,422 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 [2022-11-26 00:58:30,450 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 [2022-11-26 00:58:30,473 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 [2022-11-26 00:58:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:58:30,651 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 [2022-11-26 00:58:30,670 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 [2022-11-26 00:58:30,688 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 [2022-11-26 00:58:31,613 INFO L217 Elim1Store]: Index analysis took 584 ms [2022-11-26 00:58:34,339 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:58:34,340 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 10752670 treesize of output 10752673 [2022-11-26 00:58:35,215 INFO L217 Elim1Store]: Index analysis took 709 ms [2022-11-26 00:58:37,624 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:58:37,625 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 10752675 treesize of output 10752677 [2022-11-26 00:58:48,506 WARN L233 SmtUtils]: Spent 10.83s 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) [2022-11-26 00:58:48,506 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:58:48,507 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 1481 [2022-11-26 00:58:48,691 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-26 00:59:12,159 WARN L233 SmtUtils]: Spent 23.47s 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) [2022-11-26 00:59:12,159 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:59:12,160 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 1829 [2022-11-26 00:59:13,067 INFO L217 Elim1Store]: Index analysis took 725 ms [2022-11-26 00:59:34,288 WARN L233 SmtUtils]: Spent 20.73s 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) [2022-11-26 00:59:34,290 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:59:34,290 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 [2022-11-26 00:59:35,710 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-11-26 00:59:36,841 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:59:36,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:59:36,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:59:37,359 INFO L217 Elim1Store]: Index analysis took 304 ms [2022-11-26 00:59:38,406 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:59:38,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:59:44,165 INFO L217 Elim1Store]: Index analysis took 704 ms