./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/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_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 --- 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 00:59:25,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:59:25,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:59:25,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:59:25,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:59:25,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:59:25,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:59:25,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:59:25,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:59:25,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:59:25,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:59:25,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:59:25,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:59:25,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:59:25,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:59:25,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:59:25,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:59:26,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:59:26,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:59:26,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:59:26,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:59:26,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:59:26,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:59:26,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:59:26,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:59:26,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:59:26,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:59:26,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:59:26,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:59:26,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:59:26,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:59:26,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:59:26,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:59:26,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:59:26,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:59:26,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:59:26,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:59:26,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:59:26,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:59:26,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:59:26,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:59:26,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:59:26,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:59:26,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:59:26,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:59:26,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:59:26,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:59:26,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:59:26,063 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:59:26,063 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:59:26,064 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:59:26,064 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:59:26,064 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:59:26,064 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:59:26,064 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:59:26,064 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:59:26,065 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:59:26,065 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:59:26,065 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:59:26,065 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:59:26,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:59:26,066 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:59:26,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:59:26,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:59:26,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:59:26,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:59:26,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:59:26,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:59:26,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:59:26,068 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:59:26,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:59:26,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:59:26,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:59:26,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:59:26,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:59:26,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:59:26,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:26,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:59:26,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:59:26,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:59:26,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:59:26,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:59:26,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:59:26,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:59:26,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:59:26,073 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_3fc36e21-73dd-4989-b271-1141adb78f14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1dcf4f68625d62d28b81607385317c3749a3b9c4401099e862ce9a8a6e6751 [2022-11-26 00:59:26,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:59:26,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:59:26,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:59:26,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:59:26,443 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:59:26,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2022-11-26 00:59:29,450 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:59:29,798 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:59:29,799 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i [2022-11-26 00:59:29,815 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/data/0e1111a98/ab7bb8eaacb74346bf8584ba84deb006/FLAG0881c367f [2022-11-26 00:59:29,833 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/data/0e1111a98/ab7bb8eaacb74346bf8584ba84deb006 [2022-11-26 00:59:29,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:59:29,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:59:29,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:29,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:59:29,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:59:29,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:29" (1/1) ... [2022-11-26 00:59:29,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c6306e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:29, skipping insertion in model container [2022-11-26 00:59:29,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:29" (1/1) ... [2022-11-26 00:59:29,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:59:29,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:59:30,358 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_3fc36e21-73dd-4989-b271-1141adb78f14/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i[33021,33034] [2022-11-26 00:59:30,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:59:30,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:59:30,512 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_3fc36e21-73dd-4989-b271-1141adb78f14/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-1.i[33021,33034] [2022-11-26 00:59:30,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:59:30,660 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:59:30,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30 WrapperNode [2022-11-26 00:59:30,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:30,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:59:30,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:59:30,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:59:30,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,819 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1151 [2022-11-26 00:59:30,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:59:30,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:59:30,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:59:30,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:59:30,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:30,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:59:30,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:59:30,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:59:30,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:59:30,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (1/1) ... [2022-11-26 00:59:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:31,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:31,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:59:31,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:59:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:59:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:59:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:59:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:59:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:59:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:59:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:59:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:59:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:59:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:59:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:59:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:59:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:59:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:59:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:59:31,381 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:59:31,383 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:59:33,088 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:59:33,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:59:33,579 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-26 00:59:33,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:33 BoogieIcfgContainer [2022-11-26 00:59:33,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:59:33,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:59:33,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:59:33,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:59:33,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:59:29" (1/3) ... [2022-11-26 00:59:33,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ed15b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:59:33, skipping insertion in model container [2022-11-26 00:59:33,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:30" (2/3) ... [2022-11-26 00:59:33,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ed15b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:59:33, skipping insertion in model container [2022-11-26 00:59:33,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:33" (3/3) ... [2022-11-26 00:59:33,591 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-1.i [2022-11-26 00:59:33,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:59:33,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-26 00:59:33,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:59:33,665 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;@738a66bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:59:33,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-26 00:59:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 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 00:59:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-26 00:59:33,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:33,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-26 00:59:33,676 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:33,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:33,681 INFO L85 PathProgramCache]: Analyzing trace with hash 880023, now seen corresponding path program 1 times [2022-11-26 00:59:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:33,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864927270] [2022-11-26 00:59:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:33,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:33,847 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 00:59:33,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:33,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864927270] [2022-11-26 00:59:33,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864927270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:33,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:33,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:59:33,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675829865] [2022-11-26 00:59:33,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:33,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:59:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:33,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:59:33,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:59:33,888 INFO L87 Difference]: Start difference. First operand has 135 states, 110 states have (on average 1.809090909090909) internal successors, (199), 126 states have internal predecessors, (199), 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 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:34,721 INFO L93 Difference]: Finished difference Result 268 states and 461 transitions. [2022-11-26 00:59:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:59:34,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-26 00:59:34,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:34,739 INFO L225 Difference]: With dead ends: 268 [2022-11-26 00:59:34,739 INFO L226 Difference]: Without dead ends: 133 [2022-11-26 00:59:34,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:59:34,746 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:34,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:59:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-26 00:59:34,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-11-26 00:59:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.2454545454545454) internal successors, (137), 124 states have internal predecessors, (137), 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 00:59:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 169 transitions. [2022-11-26 00:59:34,794 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 169 transitions. Word has length 3 [2022-11-26 00:59:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:34,795 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 169 transitions. [2022-11-26 00:59:34,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2022-11-26 00:59:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:59:34,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:34,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:59:34,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:59:34,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:34,798 INFO L85 PathProgramCache]: Analyzing trace with hash 27280772, now seen corresponding path program 1 times [2022-11-26 00:59:34,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:34,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900046765] [2022-11-26 00:59:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:34,829 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:59:34,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977848760] [2022-11-26 00:59:34,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:34,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:34,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:59:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:35,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:59:35,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:35,105 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 00:59:35,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:35,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:35,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900046765] [2022-11-26 00:59:35,108 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:59:35,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977848760] [2022-11-26 00:59:35,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977848760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:35,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:35,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:59:35,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318979919] [2022-11-26 00:59:35,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:35,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:59:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:35,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:59:35,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:35,127 INFO L87 Difference]: Start difference. First operand 133 states and 169 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:38,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:38,252 INFO L93 Difference]: Finished difference Result 262 states and 334 transitions. [2022-11-26 00:59:38,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:59:38,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:59:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:38,258 INFO L225 Difference]: With dead ends: 262 [2022-11-26 00:59:38,258 INFO L226 Difference]: Without dead ends: 233 [2022-11-26 00:59:38,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:38,260 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 101 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:38,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 326 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:59:38,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-26 00:59:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 136. [2022-11-26 00:59:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.238938053097345) internal successors, (140), 127 states have internal predecessors, (140), 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 00:59:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 172 transitions. [2022-11-26 00:59:38,290 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 172 transitions. Word has length 4 [2022-11-26 00:59:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:38,294 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 172 transitions. [2022-11-26 00:59:38,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2022-11-26 00:59:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-26 00:59:38,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:38,296 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] [2022-11-26 00:59:38,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:38,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:59:38,502 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:38,503 INFO L85 PathProgramCache]: Analyzing trace with hash -399352896, now seen corresponding path program 1 times [2022-11-26 00:59:38,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:38,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56974541] [2022-11-26 00:59:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:38,791 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:59:38,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1591923475] [2022-11-26 00:59:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:38,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:38,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:38,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:38,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:59:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:40,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:59:40,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:40,196 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 00:59:40,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:40,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:40,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56974541] [2022-11-26 00:59:40,197 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:59:40,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591923475] [2022-11-26 00:59:40,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591923475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:40,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:40,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:59:40,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202315122] [2022-11-26 00:59:40,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:40,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:59:40,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:40,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:59:40,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:59:40,199 INFO L87 Difference]: Start difference. First operand 136 states and 172 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:41,764 INFO L93 Difference]: Finished difference Result 136 states and 172 transitions. [2022-11-26 00:59:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:59:41,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-11-26 00:59:41,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:41,769 INFO L225 Difference]: With dead ends: 136 [2022-11-26 00:59:41,769 INFO L226 Difference]: Without dead ends: 135 [2022-11-26 00:59:41,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:41,771 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 87 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:41,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 308 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:59:41,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-26 00:59:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-26 00:59:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 126 states have internal predecessors, (139), 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 00:59:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2022-11-26 00:59:41,793 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 48 [2022-11-26 00:59:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:41,793 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2022-11-26 00:59:41,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2022-11-26 00:59:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-26 00:59:41,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:41,795 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] [2022-11-26 00:59:41,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:42,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:42,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:42,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash 504962863, now seen corresponding path program 1 times [2022-11-26 00:59:42,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:42,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131957218] [2022-11-26 00:59:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:42,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:42,245 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:59:42,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123905785] [2022-11-26 00:59:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:42,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:42,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:42,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:42,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:59:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:43,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:59:43,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:43,737 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 00:59:43,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:43,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:43,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131957218] [2022-11-26 00:59:43,738 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:59:43,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123905785] [2022-11-26 00:59:43,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123905785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:43,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:43,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:59:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079587319] [2022-11-26 00:59:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:43,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:59:43,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:43,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:59:43,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:59:43,740 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:46,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:46,488 INFO L93 Difference]: Finished difference Result 231 states and 283 transitions. [2022-11-26 00:59:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:59:46,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-11-26 00:59:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:46,494 INFO L225 Difference]: With dead ends: 231 [2022-11-26 00:59:46,494 INFO L226 Difference]: Without dead ends: 230 [2022-11-26 00:59:46,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:46,497 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 56 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:46,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 458 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:59:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-26 00:59:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2022-11-26 00:59:46,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.1782178217821782) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-26 00:59:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2022-11-26 00:59:46,514 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 49 [2022-11-26 00:59:46,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:46,515 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2022-11-26 00:59:46,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:46,515 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2022-11-26 00:59:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:59:46,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:46,517 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] [2022-11-26 00:59:46,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:46,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:46,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:46,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:46,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1920840727, now seen corresponding path program 1 times [2022-11-26 00:59:46,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:46,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121098473] [2022-11-26 00:59:46,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:46,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:46,973 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:59:46,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254380793] [2022-11-26 00:59:46,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:46,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:46,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:46,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:46,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:59:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:48,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:59:48,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:48,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:48,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:48,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121098473] [2022-11-26 00:59:48,721 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:59:48,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254380793] [2022-11-26 00:59:48,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254380793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:48,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:48,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:59:48,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048453214] [2022-11-26 00:59:48,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:48,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:59:48,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:48,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:59:48,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:48,723 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:50,943 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 00:59:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:51,661 INFO L93 Difference]: Finished difference Result 414 states and 510 transitions. [2022-11-26 00:59:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:59:51,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-26 00:59:51,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:51,666 INFO L225 Difference]: With dead ends: 414 [2022-11-26 00:59:51,666 INFO L226 Difference]: Without dead ends: 256 [2022-11-26 00:59:51,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 00:59:51,668 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 37 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:51,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 292 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:59:51,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-26 00:59:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2022-11-26 00:59:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 225 states have (on average 1.1733333333333333) internal successors, (264), 238 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-26 00:59:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2022-11-26 00:59:51,693 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 52 [2022-11-26 00:59:51,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:51,693 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2022-11-26 00:59:51,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:59:51,694 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2022-11-26 00:59:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:59:51,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:51,696 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:51,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:51,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:51,910 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:51,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:51,910 INFO L85 PathProgramCache]: Analyzing trace with hash 382789705, now seen corresponding path program 1 times [2022-11-26 00:59:51,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:51,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113890839] [2022-11-26 00:59:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:52,095 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:59:52,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764242570] [2022-11-26 00:59:52,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:52,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:52,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:52,097 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:52,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:59:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:53,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:59:53,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:59:53,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:53,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:53,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113890839] [2022-11-26 00:59:53,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:59:53,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764242570] [2022-11-26 00:59:53,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764242570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:53,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:53,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:59:53,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526537680] [2022-11-26 00:59:53,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:53,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:59:53,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:53,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:59:53,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:53,749 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:59:55,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:55,650 INFO L93 Difference]: Finished difference Result 478 states and 584 transitions. [2022-11-26 00:59:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:59:55,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 65 [2022-11-26 00:59:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:55,655 INFO L225 Difference]: With dead ends: 478 [2022-11-26 00:59:55,655 INFO L226 Difference]: Without dead ends: 251 [2022-11-26 00:59:55,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 00:59:55,657 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 11 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:55,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 289 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:59:55,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-26 00:59:55,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-26 00:59:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 223 states have (on average 1.1704035874439462) internal successors, (261), 236 states have internal predecessors, (261), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-26 00:59:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 305 transitions. [2022-11-26 00:59:55,680 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 305 transitions. Word has length 65 [2022-11-26 00:59:55,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:55,680 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 305 transitions. [2022-11-26 00:59:55,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:59:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 305 transitions. [2022-11-26 00:59:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-26 00:59:55,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:55,682 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:55,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:55,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:55,896 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 00:59:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:55,896 INFO L85 PathProgramCache]: Analyzing trace with hash -671223932, now seen corresponding path program 1 times [2022-11-26 00:59:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:55,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174935695] [2022-11-26 00:59:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:56,005 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:59:56,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264133196] [2022-11-26 00:59:56,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:56,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:56,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:56,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:56,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:02:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:49,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-26 01:02:49,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 01:02:49,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:49,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:02:49,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174935695] [2022-11-26 01:02:49,352 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:02:49,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264133196] [2022-11-26 01:02:49,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264133196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:49,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:49,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:02:49,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643388385] [2022-11-26 01:02:49,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:49,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:02:49,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:02:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:02:49,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:02:49,354 INFO L87 Difference]: Start difference. First operand 251 states and 305 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:02:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:51,298 INFO L93 Difference]: Finished difference Result 491 states and 611 transitions. [2022-11-26 01:02:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:02:51,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 78 [2022-11-26 01:02:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:51,303 INFO L225 Difference]: With dead ends: 491 [2022-11-26 01:02:51,304 INFO L226 Difference]: Without dead ends: 247 [2022-11-26 01:02:51,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:02:51,305 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 127 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:51,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 464 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 01:02:51,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-26 01:02:51,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-26 01:02:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 218 states have (on average 1.1697247706422018) internal successors, (255), 232 states have internal predecessors, (255), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2022-11-26 01:02:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 303 transitions. [2022-11-26 01:02:51,325 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 303 transitions. Word has length 78 [2022-11-26 01:02:51,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:51,326 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 303 transitions. [2022-11-26 01:02:51,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 01:02:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 303 transitions. [2022-11-26 01:02:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 01:02:51,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:51,328 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:51,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:51,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 01:02:51,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-26 01:02:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash 228506376, now seen corresponding path program 1 times [2022-11-26 01:02:51,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:02:51,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603905995] [2022-11-26 01:02:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:02:51,675 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:02:51,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612839218] [2022-11-26 01:02:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:51,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:02:51,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:02:51,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:02:51,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc36e21-73dd-4989-b271-1141adb78f14/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 01:08:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:14,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:08:14,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:08:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 01:08:14,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:08:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 01:08:15,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:08:15,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603905995] [2022-11-26 01:08:15,001 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:08:15,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612839218] [2022-11-26 01:08:15,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612839218] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:08:15,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [923594919] [2022-11-26 01:08:15,026 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-26 01:08:15,026 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:08:15,031 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:08:15,049 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:08:15,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:08:15,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:08:15,338 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 01:08:15,338 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 01:08:15,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:08:15,374 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:08:15,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-11-26 01:08:15,423 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:08:15,424 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 01:08:15,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-26 01:08:15,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 01:08:15,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 01:08:15,848 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 01:08:15,864 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 01:08:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,913 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 01:08:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:15,959 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 01:08:16,016 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 01:08:16,030 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 01:08:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 01:08:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,141 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 01:08:16,221 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 01:08:16,290 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 01:08:16,290 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 01:08:16,307 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 01:08:16,332 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 01:08:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,378 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 01:08:16,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:08:16,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 01:08:16,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:08:16,640 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 01:08:16,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-26 01:08:16,679 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:08:16,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-26 01:08:16,710 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:08:16,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-26 01:08:16,755 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 01:08:16,760 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 01:08:16,767 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 01:08:16,827 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 46 treesize of output 16 [2022-11-26 01:08:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:16,873 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 01:08:16,915 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 01:08:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:08:17,091 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 01:08:17,111 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 46 treesize of output 16 [2022-11-26 01:08:17,126 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 01:08:19,241 INFO L217 Elim1Store]: Index analysis took 1762 ms [2022-11-26 01:08:21,561 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 01:08:21,562 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 10752694 treesize of output 10752697 [2022-11-26 01:08:22,436 INFO L217 Elim1Store]: Index analysis took 667 ms [2022-11-26 01:08:24,850 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 01:08:24,851 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 10752699 treesize of output 10752701 [2022-11-26 01:08:33,334 WARN L233 SmtUtils]: Spent 8.40s 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 01:08:33,335 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 01:08:33,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 01:08:33,554 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-26 01:08:55,001 WARN L233 SmtUtils]: Spent 21.44s 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 01:08:55,001 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 01:08:55,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-11-26 01:08:56,006 INFO L217 Elim1Store]: Index analysis took 756 ms [2022-11-26 01:09:24,460 WARN L233 SmtUtils]: Spent 27.61s 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 01:09:24,462 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 01:09:24,463 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 01:09:25,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:25,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-26 01:09:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:09:26,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:09:26,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 01:09:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:09:27,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 01:09:37,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:10:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:10:02,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 01:10:10,568 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:11:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:03,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 01:11:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:03,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:11:08,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:08,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:11:08,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 01:11:08,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:11:08,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:08,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:11:08,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 01:11:08,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:11:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:08,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 01:11:08,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:08,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 01:11:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:08,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 01:11:12,493 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:11:44,400 WARN L233 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 13941 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)