./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh --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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- 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-2329fc7 [2022-12-14 14:45:14,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:45:14,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:45:15,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:45:15,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:45:15,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:45:15,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:45:15,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:45:15,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:45:15,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:45:15,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:45:15,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:45:15,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:45:15,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:45:15,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:45:15,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:45:15,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:45:15,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:45:15,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:45:15,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:45:15,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:45:15,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:45:15,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:45:15,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:45:15,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:45:15,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:45:15,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:45:15,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:45:15,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:45:15,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:45:15,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:45:15,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:45:15,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:45:15,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:45:15,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:45:15,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:45:15,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:45:15,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:45:15,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:45:15,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:45:15,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:45:15,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 14:45:15,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:45:15,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:45:15,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:45:15,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:45:15,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:45:15,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:45:15,062 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:45:15,062 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:45:15,062 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:45:15,063 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:45:15,063 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:45:15,063 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:45:15,063 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:45:15,063 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:45:15,063 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:45:15,064 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:45:15,064 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:45:15,064 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:45:15,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:45:15,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:45:15,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:45:15,066 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:45:15,066 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:45:15,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:45:15,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:45:15,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:45:15,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:45:15,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:45:15,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:45:15,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:45:15,067 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:45:15,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:45:15,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:45:15,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:45:15,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:45:15,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:45:15,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:45:15,069 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_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2022-12-14 14:45:15,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:45:15,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:45:15,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:45:15,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:45:15,244 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:45:15,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-12-14 14:45:17,844 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:45:18,019 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:45:18,019 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-12-14 14:45:18,028 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/data/bd63262e9/311059055aaa4a31821e1085fdec23c0/FLAG4f0e7db51 [2022-12-14 14:45:18,039 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/data/bd63262e9/311059055aaa4a31821e1085fdec23c0 [2022-12-14 14:45:18,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:45:18,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:45:18,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:45:18,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:45:18,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:45:18,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a40c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18, skipping insertion in model container [2022-12-14 14:45:18,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:45:18,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:45:18,309 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_5890c2b0-0ecd-4325-aee0-5d755cd8a696/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-12-14 14:45:18,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:45:18,374 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:45:18,394 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_5890c2b0-0ecd-4325-aee0-5d755cd8a696/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-12-14 14:45:18,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:45:18,447 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:45:18,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18 WrapperNode [2022-12-14 14:45:18,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:45:18,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:45:18,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:45:18,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:45:18,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,511 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 778 [2022-12-14 14:45:18,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:45:18,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:45:18,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:45:18,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:45:18,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:45:18,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:45:18,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:45:18,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:45:18,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (1/1) ... [2022-12-14 14:45:18,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:45:18,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:18,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:45:18,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:45:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:45:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 14:45:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:45:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:45:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:45:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:45:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:45:18,750 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:45:18,752 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:45:19,542 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:45:19,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:45:19,739 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 14:45:19,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:45:19 BoogieIcfgContainer [2022-12-14 14:45:19,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:45:19,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:45:19,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:45:19,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:45:19,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:45:18" (1/3) ... [2022-12-14 14:45:19,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d33b49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:45:19, skipping insertion in model container [2022-12-14 14:45:19,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:45:18" (2/3) ... [2022-12-14 14:45:19,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d33b49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:45:19, skipping insertion in model container [2022-12-14 14:45:19,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:45:19" (3/3) ... [2022-12-14 14:45:19,747 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2022-12-14 14:45:19,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:45:19,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 14:45:19,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:45:19,802 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;@4d28259b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:45:19,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 14:45:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 14:45:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 14:45:19,811 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:19,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 14:45:19,812 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)] === [2022-12-14 14:45:19,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash 656327, now seen corresponding path program 1 times [2022-12-14 14:45:19,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:19,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296748036] [2022-12-14 14:45:19,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:45:19,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:19,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296748036] [2022-12-14 14:45:19,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296748036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:19,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:19,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 14:45:19,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435324537] [2022-12-14 14:45:19,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:19,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:45:19,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:19,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:45:19,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:45:19,968 INFO L87 Difference]: Start difference. First operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 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) [2022-12-14 14:45:20,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:20,451 INFO L93 Difference]: Finished difference Result 204 states and 343 transitions. [2022-12-14 14:45:20,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:45:20,456 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 [2022-12-14 14:45:20,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:20,462 INFO L225 Difference]: With dead ends: 204 [2022-12-14 14:45:20,462 INFO L226 Difference]: Without dead ends: 87 [2022-12-14 14:45:20,464 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 [2022-12-14 14:45:20,466 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:20,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:45:20,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-12-14 14:45:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-12-14 14:45:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 67 states have (on average 1.328358208955224) internal successors, (89), 81 states have internal predecessors, (89), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 14:45:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 115 transitions. [2022-12-14 14:45:20,497 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 115 transitions. Word has length 3 [2022-12-14 14:45:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:20,498 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 115 transitions. [2022-12-14 14:45:20,498 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) [2022-12-14 14:45:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2022-12-14 14:45:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 14:45:20,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:20,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 14:45:20,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:45:20,499 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)] === [2022-12-14 14:45:20,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:20,499 INFO L85 PathProgramCache]: Analyzing trace with hash 20346196, now seen corresponding path program 1 times [2022-12-14 14:45:20,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:20,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147579410] [2022-12-14 14:45:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:20,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:20,516 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:20,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832235698] [2022-12-14 14:45:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:20,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:20,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:20,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:20,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:45:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:20,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:45:20,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:45:20,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:20,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:20,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147579410] [2022-12-14 14:45:20,636 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:20,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832235698] [2022-12-14 14:45:20,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832235698] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:20,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:20,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 14:45:20,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721461166] [2022-12-14 14:45:20,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:20,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:20,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:20,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:20,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:20,639 INFO L87 Difference]: Start difference. First operand 87 states and 115 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) [2022-12-14 14:45:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:21,135 INFO L93 Difference]: Finished difference Result 170 states and 226 transitions. [2022-12-14 14:45:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:45:21,138 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 [2022-12-14 14:45:21,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:21,139 INFO L225 Difference]: With dead ends: 170 [2022-12-14 14:45:21,139 INFO L226 Difference]: Without dead ends: 141 [2022-12-14 14:45:21,140 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 [2022-12-14 14:45:21,141 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 53 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:21,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 203 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:45:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-12-14 14:45:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 90. [2022-12-14 14:45:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 84 states have internal predecessors, (92), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 14:45:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 118 transitions. [2022-12-14 14:45:21,150 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 118 transitions. Word has length 4 [2022-12-14 14:45:21,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:21,150 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 118 transitions. [2022-12-14 14:45:21,150 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) [2022-12-14 14:45:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2022-12-14 14:45:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 14:45:21,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:21,151 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] [2022-12-14 14:45:21,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:45:21,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:21,353 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)] === [2022-12-14 14:45:21,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:21,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2085923058, now seen corresponding path program 1 times [2022-12-14 14:45:21,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:21,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329124271] [2022-12-14 14:45:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:21,486 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:21,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511751901] [2022-12-14 14:45:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:21,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:21,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:45:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:21,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:45:21,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:45:22,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:22,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:22,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329124271] [2022-12-14 14:45:22,018 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:22,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511751901] [2022-12-14 14:45:22,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511751901] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:22,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:22,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:45:22,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428215090] [2022-12-14 14:45:22,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:22,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:45:22,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:45:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:45:22,020 INFO L87 Difference]: Start difference. First operand 90 states and 118 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-12-14 14:45:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:22,811 INFO L93 Difference]: Finished difference Result 90 states and 118 transitions. [2022-12-14 14:45:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:45:22,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2022-12-14 14:45:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:22,816 INFO L225 Difference]: With dead ends: 90 [2022-12-14 14:45:22,816 INFO L226 Difference]: Without dead ends: 89 [2022-12-14 14:45:22,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:22,817 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 60 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:22,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 207 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 14:45:22,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-12-14 14:45:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-12-14 14:45:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 70 states have (on average 1.3) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 14:45:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2022-12-14 14:45:22,824 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 27 [2022-12-14 14:45:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:22,824 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2022-12-14 14:45:22,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-12-14 14:45:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2022-12-14 14:45:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 14:45:22,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:22,825 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] [2022-12-14 14:45:22,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:45:23,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:23,027 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)] === [2022-12-14 14:45:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:23,028 INFO L85 PathProgramCache]: Analyzing trace with hash 239105766, now seen corresponding path program 1 times [2022-12-14 14:45:23,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:23,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422430252] [2022-12-14 14:45:23,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:23,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:23,125 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:23,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623605348] [2022-12-14 14:45:23,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:23,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:23,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:23,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:23,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:45:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:23,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1549 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:45:23,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:45:23,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:23,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422430252] [2022-12-14 14:45:23,669 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623605348] [2022-12-14 14:45:23,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623605348] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:23,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:23,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:45:23,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005269135] [2022-12-14 14:45:23,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:23,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:45:23,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:23,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:45:23,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:45:23,672 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-14 14:45:27,153 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 [] [2022-12-14 14:45:27,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:27,154 INFO L93 Difference]: Finished difference Result 139 states and 175 transitions. [2022-12-14 14:45:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:45:27,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2022-12-14 14:45:27,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:27,167 INFO L225 Difference]: With dead ends: 139 [2022-12-14 14:45:27,167 INFO L226 Difference]: Without dead ends: 138 [2022-12-14 14:45:27,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:27,168 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 29 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:27,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 299 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 14:45:27,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-12-14 14:45:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-12-14 14:45:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 116 states have (on average 1.2241379310344827) internal successors, (142), 129 states have internal predecessors, (142), 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) [2022-12-14 14:45:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2022-12-14 14:45:27,178 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 28 [2022-12-14 14:45:27,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:27,178 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2022-12-14 14:45:27,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-14 14:45:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2022-12-14 14:45:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 14:45:27,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:27,179 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] [2022-12-14 14:45:27,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:45:27,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-14 14:45:27,381 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)] === [2022-12-14 14:45:27,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:27,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2144752483, now seen corresponding path program 1 times [2022-12-14 14:45:27,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:27,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495029516] [2022-12-14 14:45:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:27,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:27,499 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:27,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809199823] [2022-12-14 14:45:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:27,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:27,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:27,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:45:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:27,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:45:27,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:45:27,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:27,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:27,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495029516] [2022-12-14 14:45:27,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:27,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809199823] [2022-12-14 14:45:27,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809199823] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:27,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:27,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:45:27,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009071263] [2022-12-14 14:45:27,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:27,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:27,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:27,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:27,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:27,995 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2022-12-14 14:45:28,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:28,613 INFO L93 Difference]: Finished difference Result 248 states and 316 transitions. [2022-12-14 14:45:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:45:28,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 31 [2022-12-14 14:45:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:28,617 INFO L225 Difference]: With dead ends: 248 [2022-12-14 14:45:28,617 INFO L226 Difference]: Without dead ends: 136 [2022-12-14 14:45:28,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:28,619 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:28,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:45:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-12-14 14:45:28,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-12-14 14:45:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 114 states have (on average 1.219298245614035) internal successors, (139), 127 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) [2022-12-14 14:45:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 171 transitions. [2022-12-14 14:45:28,628 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 171 transitions. Word has length 31 [2022-12-14 14:45:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:28,629 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 171 transitions. [2022-12-14 14:45:28,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2022-12-14 14:45:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 171 transitions. [2022-12-14 14:45:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 14:45:28,629 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:28,629 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] [2022-12-14 14:45:28,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:45:28,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:28,832 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)] === [2022-12-14 14:45:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1997718878, now seen corresponding path program 1 times [2022-12-14 14:45:28,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:28,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969718846] [2022-12-14 14:45:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:28,916 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:28,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347628107] [2022-12-14 14:45:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:28,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:28,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:28,917 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:28,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:45:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:41,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:45:41,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:45:41,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:41,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:41,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969718846] [2022-12-14 14:45:41,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:41,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347628107] [2022-12-14 14:45:41,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347628107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:41,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:41,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:45:41,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677902658] [2022-12-14 14:45:41,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:41,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:45:41,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:41,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:45:41,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:45:41,253 INFO L87 Difference]: Start difference. First operand 136 states and 171 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 14:45:43,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:45:44,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:44,134 INFO L93 Difference]: Finished difference Result 254 states and 328 transitions. [2022-12-14 14:45:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:45:44,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-12-14 14:45:44,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:44,139 INFO L225 Difference]: With dead ends: 254 [2022-12-14 14:45:44,139 INFO L226 Difference]: Without dead ends: 138 [2022-12-14 14:45:44,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:44,140 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:44,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 299 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 14:45:44,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-12-14 14:45:44,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-12-14 14:45:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 129 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2022-12-14 14:45:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 175 transitions. [2022-12-14 14:45:44,147 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 175 transitions. Word has length 44 [2022-12-14 14:45:44,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:44,148 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 175 transitions. [2022-12-14 14:45:44,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 14:45:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2022-12-14 14:45:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 14:45:44,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:44,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:45:44,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:45:44,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 14:45:44,351 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)] === [2022-12-14 14:45:44,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash 587318850, now seen corresponding path program 1 times [2022-12-14 14:45:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:44,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570181040] [2022-12-14 14:45:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:44,437 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:44,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [732048036] [2022-12-14 14:45:44,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:44,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:44,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:44,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:44,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5890c2b0-0ecd-4325-aee0-5d755cd8a696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:46:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:07,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 14:46:07,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:46:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:46:07,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:46:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:46:07,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:07,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570181040] [2022-12-14 14:46:07,873 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:46:07,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732048036] [2022-12-14 14:46:07,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732048036] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:46:07,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [639011326] [2022-12-14 14:46:07,893 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-12-14 14:46:07,893 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:46:07,895 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:46:07,900 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:46:07,900 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:46:07,986 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 [2022-12-14 14:46:08,007 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:46:08,007 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 [2022-12-14 14:46:08,014 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 [2022-12-14 14:46:08,038 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 14:46:08,039 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 [2022-12-14 14:46:08,075 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 14:46:08,075 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 [2022-12-14 14:46:08,100 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 [2022-12-14 14:46:08,107 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 [2022-12-14 14:46:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,116 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 [2022-12-14 14:46:08,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,396 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 [2022-12-14 14:46:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,431 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 [2022-12-14 14:46:08,468 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 [2022-12-14 14:46:08,487 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 [2022-12-14 14:46:08,511 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 [2022-12-14 14:46:08,531 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 [2022-12-14 14:46:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,583 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 [2022-12-14 14:46:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,618 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 [2022-12-14 14:46:08,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:08,671 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 [2022-12-14 14:46:08,698 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 [2022-12-14 14:46:08,721 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 [2022-12-14 14:46:08,779 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 14:46:08,779 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 [2022-12-14 14:46:08,803 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 [2022-12-14 14:46:08,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 14:46:08,964 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 [2022-12-14 14:46:08,969 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 [2022-12-14 14:46:08,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 14:46:08,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 14:46:09,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 14:46:09,019 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 [2022-12-14 14:46:09,023 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 [2022-12-14 14:46:09,028 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 [2022-12-14 14:46:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,100 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 [2022-12-14 14:46:09,118 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 [2022-12-14 14:46:09,132 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 [2022-12-14 14:46:09,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:46:09,270 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 [2022-12-14 14:46:09,290 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 [2022-12-14 14:46:09,304 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 [2022-12-14 14:46:10,009 INFO L217 Elim1Store]: Index analysis took 545 ms [2022-12-14 14:46:12,947 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-12-14 14:46:12,948 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 10752687 treesize of output 10752705 [2022-12-14 14:46:13,308 INFO L217 Elim1Store]: Index analysis took 247 ms [2022-12-14 14:46:13,323 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 14:46:13,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 10752682 treesize of output 10752685 [2022-12-14 14:46:20,610 WARN L233 SmtUtils]: Spent 7.20s 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) [2022-12-14 14:46:20,610 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 14:46:20,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-12-14 14:46:20,879 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-12-14 14:46:40,478 WARN L233 SmtUtils]: Spent 19.60s 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) [2022-12-14 14:46:40,479 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 14:46:40,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-12-14 14:46:41,721 INFO L217 Elim1Store]: Index analysis took 720 ms [2022-12-14 14:47:10,107 WARN L233 SmtUtils]: Spent 27.65s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:47:10,108 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-12-14 14:47:10,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-12-14 14:47:11,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:47:11,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 14:47:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:47:11,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:47:11,220 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 [2022-12-14 14:47:11,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:47:11,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:47:11,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:47:11,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 212 [2022-12-14 14:47:11,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:47:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:47:11,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:47:11,582 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 42 treesize of output 30 [2022-12-14 14:47:12,372 INFO L217 Elim1Store]: Index analysis took 476 ms [2022-12-14 14:47:13,159 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-12-14 14:47:13,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-12-14 14:47:13,278 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:47:13,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 14:47:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:47:13,652 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 14:47:13,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 14:47:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:47:14,836 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 [2022-12-14 14:47:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:47:15,171 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 [2022-12-14 14:47:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:47:49,658 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 [2022-12-14 14:48:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:48:18,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 14:49:00,771 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 27013 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 14:50:53,371 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:50:53,699 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 125 treesize of output 49 [2022-12-14 14:50:53,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:50:53,924 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-12-14 14:50:53,925 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 100 treesize of output 54 [2022-12-14 14:51:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:51:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:51:41,587 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 380 treesize of output 194 [2022-12-14 14:51:41,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:51:41,655 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 541 treesize of output 187 [2022-12-14 14:51:41,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:51:45,039 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-12-14 14:51:45,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 649 treesize of output 574 [2022-12-14 14:51:45,095 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 41 treesize of output 21 [2022-12-14 14:51:46,622 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-12-14 14:51:46,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1129 treesize of output 1042 [2022-12-14 14:51:46,680 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 [2022-12-14 14:52:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:52:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:52:23,337 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 44 treesize of output 26 [2022-12-14 14:52:23,441 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 41 treesize of output 21 [2022-12-14 14:57:30,474 INFO L217 Elim1Store]: Index analysis took 268291 ms