./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P --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 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:57:56,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:57:56,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:57:56,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:57:56,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:57:56,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:57:56,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:57:56,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:57:56,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:57:56,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:57:56,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:57:56,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:57:56,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:57:56,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:57:56,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:57:56,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:57:56,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:57:56,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:57:56,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:57:56,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:57:56,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:57:56,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:57:56,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:57:56,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:57:56,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:57:56,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:57:56,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:57:56,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:57:56,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:57:56,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:57:56,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:57:56,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:57:56,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:57:56,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:57:56,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:57:56,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:57:56,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:57:56,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:57:56,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:57:56,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:57:56,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:57:56,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:57:56,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:57:56,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:57:56,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:57:56,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:57:56,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:57:56,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:57:56,662 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:57:56,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:57:56,663 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:57:56,663 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:57:56,663 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:57:56,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:57:56,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:57:56,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:57:56,664 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:57:56,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:57:56,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:57:56,664 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:57:56,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:57:56,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:57:56,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:57:56,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:57:56,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:57:56,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:57:56,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:57:56,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:57:56,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:57:56,667 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:57:56,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:57:56,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:57:56,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:57:56,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:57:56,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:57:56,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:57:56,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:57:56,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:57:56,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:57:56,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:57:56,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:57:56,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:57:56,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:57:56,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:57:56,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:57:56,671 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 [2021-11-20 23:57:56,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:57:56,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:57:56,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:57:56,964 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:57:56,965 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:57:56,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2021-11-20 23:57:57,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/data/e65fe603b/78b22d2aa7514011987fb2830b0a0caf/FLAGf38a9b702 [2021-11-20 23:57:57,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:57:57,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2021-11-20 23:57:57,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/data/e65fe603b/78b22d2aa7514011987fb2830b0a0caf/FLAGf38a9b702 [2021-11-20 23:57:57,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/data/e65fe603b/78b22d2aa7514011987fb2830b0a0caf [2021-11-20 23:57:57,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:57:57,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:57:57,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:57:57,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:57:57,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:57:57,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:57:57" (1/1) ... [2021-11-20 23:57:57,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212e5944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:57, skipping insertion in model container [2021-11-20 23:57:57,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:57:57" (1/1) ... [2021-11-20 23:57:57,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:57:57,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:57:58,467 WARN L230 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_65cdc3fd-18ae-405c-a0a4-8d012a245389/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2021-11-20 23:57:58,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:57:58,783 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:57:58,815 WARN L230 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_65cdc3fd-18ae-405c-a0a4-8d012a245389/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2021-11-20 23:57:59,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:57:59,101 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:57:59,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59 WrapperNode [2021-11-20 23:57:59,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:57:59,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:57:59,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:57:59,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:57:59,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,286 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-20 23:57:59,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:57:59,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:57:59,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:57:59,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:57:59,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:57:59,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:57:59,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:57:59,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:57:59,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (1/1) ... [2021-11-20 23:57:59,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:57:59,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:57:59,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:57:59,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:57:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-20 23:57:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-20 23:57:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:57:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:57:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:57:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:57:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:57:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:57:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:57:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:57:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:57:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:57:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:57:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:57:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:57:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:57:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:57:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:58:00,021 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:58:00,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:58:01,858 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:58:02,626 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:58:02,626 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-20 23:58:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:02 BoogieIcfgContainer [2021-11-20 23:58:02,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:58:02,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:58:02,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:58:02,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:58:02,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:57:57" (1/3) ... [2021-11-20 23:58:02,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a316cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:58:02, skipping insertion in model container [2021-11-20 23:58:02,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:59" (2/3) ... [2021-11-20 23:58:02,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a316cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:58:02, skipping insertion in model container [2021-11-20 23:58:02,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:02" (3/3) ... [2021-11-20 23:58:02,638 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test10-1.i [2021-11-20 23:58:02,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:58:02,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:58:02,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:58:02,705 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:58:02,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:58:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 23:58:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:58:02,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:02,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:58:02,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:02,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:02,740 INFO L85 PathProgramCache]: Analyzing trace with hash 56325447, now seen corresponding path program 1 times [2021-11-20 23:58:02,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:02,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642072020] [2021-11-20 23:58:02,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:02,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:02,869 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:02,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209869851] [2021-11-20 23:58:02,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:02,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:02,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:02,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:02,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:58:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:03,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:58:03,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:03,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:58:03,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-20 23:58:03,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-20 23:58:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:58:03,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:03,416 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:03,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642072020] [2021-11-20 23:58:03,416 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:03,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209869851] [2021-11-20 23:58:03,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209869851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:03,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:03,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:58:03,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055205570] [2021-11-20 23:58:03,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:03,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:03,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:03,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:03,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:03,472 INFO L87 Difference]: Start difference. First operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-11-20 23:58:07,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:07,169 INFO L93 Difference]: Finished difference Result 547 states and 974 transitions. [2021-11-20 23:58:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:07,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 [2021-11-20 23:58:07,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:07,197 INFO L225 Difference]: With dead ends: 547 [2021-11-20 23:58:07,197 INFO L226 Difference]: Without dead ends: 287 [2021-11-20 23:58:07,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:07,212 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 29 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:07,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 783 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-20 23:58:07,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-20 23:58:07,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 261. [2021-11-20 23:58:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.218487394957983) internal successors, (290), 248 states have internal predecessors, (290), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-20 23:58:07,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2021-11-20 23:58:07,313 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 4 [2021-11-20 23:58:07,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:07,314 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2021-11-20 23:58:07,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-11-20 23:58:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2021-11-20 23:58:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:58:07,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:07,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:07,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:58:07,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:07,542 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:07,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:07,543 INFO L85 PathProgramCache]: Analyzing trace with hash 433822891, now seen corresponding path program 1 times [2021-11-20 23:58:07,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:07,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494015821] [2021-11-20 23:58:07,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:07,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:58:07,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:07,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494015821] [2021-11-20 23:58:07,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494015821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:07,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:07,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:58:07,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344153113] [2021-11-20 23:58:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:07,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:07,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:07,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:07,636 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:58:10,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:12,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:12,403 INFO L93 Difference]: Finished difference Result 410 states and 503 transitions. [2021-11-20 23:58:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:12,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-20 23:58:12,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:12,406 INFO L225 Difference]: With dead ends: 410 [2021-11-20 23:58:12,407 INFO L226 Difference]: Without dead ends: 261 [2021-11-20 23:58:12,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:12,409 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:12,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 795 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-20 23:58:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-20 23:58:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-11-20 23:58:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 248 states have internal predecessors, (289), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-20 23:58:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2021-11-20 23:58:12,427 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 20 [2021-11-20 23:58:12,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:12,427 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2021-11-20 23:58:12,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:58:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2021-11-20 23:58:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 23:58:12,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:12,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:12,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:58:12,430 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:12,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:12,431 INFO L85 PathProgramCache]: Analyzing trace with hash -649685512, now seen corresponding path program 1 times [2021-11-20 23:58:12,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:12,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508722953] [2021-11-20 23:58:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:12,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:12,456 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:12,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302175381] [2021-11-20 23:58:12,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:12,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:12,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:12,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:12,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:58:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:12,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:58:12,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:58:13,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:13,012 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:13,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508722953] [2021-11-20 23:58:13,013 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:13,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302175381] [2021-11-20 23:58:13,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302175381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:13,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:13,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:58:13,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141152629] [2021-11-20 23:58:13,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:13,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:58:13,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:13,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:58:13,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:58:13,016 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-20 23:58:14,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:15,415 INFO L93 Difference]: Finished difference Result 632 states and 764 transitions. [2021-11-20 23:58:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:58:15,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-20 23:58:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:15,419 INFO L225 Difference]: With dead ends: 632 [2021-11-20 23:58:15,420 INFO L226 Difference]: Without dead ends: 376 [2021-11-20 23:58:15,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:58:15,422 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:15,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 598 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 23:58:15,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-20 23:58:15,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-20 23:58:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.191860465116279) internal successors, (410), 354 states have internal predecessors, (410), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 23:58:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 447 transitions. [2021-11-20 23:58:15,447 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 447 transitions. Word has length 29 [2021-11-20 23:58:15,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:15,448 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 447 transitions. [2021-11-20 23:58:15,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-20 23:58:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-20 23:58:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 23:58:15,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:15,452 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:15,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 23:58:15,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:15,666 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:15,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:15,667 INFO L85 PathProgramCache]: Analyzing trace with hash -656242656, now seen corresponding path program 1 times [2021-11-20 23:58:15,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:15,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750861048] [2021-11-20 23:58:15,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:15,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:15,695 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:15,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888606440] [2021-11-20 23:58:15,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:15,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:15,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:15,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:15,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:58:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:16,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:58:16,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:16,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:58:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:16,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 18 [2021-11-20 23:58:16,171 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:58:16,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 42 [2021-11-20 23:58:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:58:16,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:16,272 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:16,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750861048] [2021-11-20 23:58:16,272 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:16,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888606440] [2021-11-20 23:58:16,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888606440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:16,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:16,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:16,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733558615] [2021-11-20 23:58:16,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:16,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:58:16,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:16,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:58:16,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:16,276 INFO L87 Difference]: Start difference. First operand 372 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:58:18,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:58:21,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:22,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:24,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:25,172 INFO L93 Difference]: Finished difference Result 692 states and 833 transitions. [2021-11-20 23:58:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:25,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2021-11-20 23:58:25,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:25,177 INFO L225 Difference]: With dead ends: 692 [2021-11-20 23:58:25,177 INFO L226 Difference]: Without dead ends: 372 [2021-11-20 23:58:25,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:58:25,183 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:25,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 1001 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-11-20 23:58:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-20 23:58:25,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2021-11-20 23:58:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.188953488372093) internal successors, (409), 354 states have internal predecessors, (409), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 23:58:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 446 transitions. [2021-11-20 23:58:25,206 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 446 transitions. Word has length 42 [2021-11-20 23:58:25,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:25,206 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 446 transitions. [2021-11-20 23:58:25,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:58:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 446 transitions. [2021-11-20 23:58:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 23:58:25,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:25,210 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:25,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:58:25,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:25,430 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:25,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:25,431 INFO L85 PathProgramCache]: Analyzing trace with hash -391626636, now seen corresponding path program 1 times [2021-11-20 23:58:25,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:25,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592784329] [2021-11-20 23:58:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:25,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:25,468 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:25,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896082292] [2021-11-20 23:58:25,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:25,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:25,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:25,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:25,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:58:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:25,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:58:25,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:58:26,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:26,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:26,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592784329] [2021-11-20 23:58:26,024 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:26,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896082292] [2021-11-20 23:58:26,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896082292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:26,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:26,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:58:26,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458508508] [2021-11-20 23:58:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:26,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:58:26,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:26,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:58:26,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:58:26,027 INFO L87 Difference]: Start difference. First operand 372 states and 446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:58:27,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:27,592 INFO L93 Difference]: Finished difference Result 838 states and 1006 transitions. [2021-11-20 23:58:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:58:27,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-11-20 23:58:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:27,597 INFO L225 Difference]: With dead ends: 838 [2021-11-20 23:58:27,597 INFO L226 Difference]: Without dead ends: 494 [2021-11-20 23:58:27,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:58:27,599 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:27,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 544 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:58:27,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-20 23:58:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 439. [2021-11-20 23:58:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 408 states have (on average 1.178921568627451) internal successors, (481), 418 states have internal predecessors, (481), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-20 23:58:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 524 transitions. [2021-11-20 23:58:27,626 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 524 transitions. Word has length 63 [2021-11-20 23:58:27,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:27,626 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 524 transitions. [2021-11-20 23:58:27,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:58:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 524 transitions. [2021-11-20 23:58:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-20 23:58:27,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:27,629 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:27,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:58:27,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:27,842 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:27,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1574397001, now seen corresponding path program 1 times [2021-11-20 23:58:27,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:27,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105763046] [2021-11-20 23:58:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:27,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:27,881 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:27,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636208560] [2021-11-20 23:58:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:27,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:27,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:27,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:58:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:31,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:58:31,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:58:31,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:58:31,194 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:31,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105763046] [2021-11-20 23:58:31,195 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:31,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636208560] [2021-11-20 23:58:31,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636208560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:31,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:31,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:31,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200404461] [2021-11-20 23:58:31,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:31,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:31,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:31,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:31,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:31,198 INFO L87 Difference]: Start difference. First operand 439 states and 524 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 23:58:32,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:36,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:58:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:36,859 INFO L93 Difference]: Finished difference Result 858 states and 1035 transitions. [2021-11-20 23:58:36,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:36,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2021-11-20 23:58:36,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:36,864 INFO L225 Difference]: With dead ends: 858 [2021-11-20 23:58:36,864 INFO L226 Difference]: Without dead ends: 441 [2021-11-20 23:58:36,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:36,866 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:36,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-11-20 23:58:36,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-20 23:58:36,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2021-11-20 23:58:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 409 states have (on average 1.1809290953545233) internal successors, (483), 420 states have internal predecessors, (483), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2021-11-20 23:58:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 529 transitions. [2021-11-20 23:58:36,897 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 529 transitions. Word has length 76 [2021-11-20 23:58:36,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:36,900 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 529 transitions. [2021-11-20 23:58:36,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 23:58:36,901 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 529 transitions. [2021-11-20 23:58:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-20 23:58:36,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:36,907 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:36,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:58:37,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 23:58:37,122 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:58:37,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1409610589, now seen corresponding path program 1 times [2021-11-20 23:58:37,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:37,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951039459] [2021-11-20 23:58:37,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:37,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:37,158 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:58:37,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097407107] [2021-11-20 23:58:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:37,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:58:37,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:58:37,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:58:37,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65cdc3fd-18ae-405c-a0a4-8d012a245389/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:58:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:38,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:58:38,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:58:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-20 23:58:38,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:58:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 23:58:39,230 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:39,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951039459] [2021-11-20 23:58:39,230 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:58:39,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097407107] [2021-11-20 23:58:39,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097407107] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:58:39,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1948334525] [2021-11-20 23:58:39,254 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-20 23:58:39,254 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:58:39,259 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:58:39,265 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:58:39,265 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:58:39,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:39,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,431 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:58:39,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:58:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:58:39,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-20 23:58:39,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:39,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,670 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:58:39,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 23:58:39,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:39,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,821 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-20 23:58:39,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:58:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:39,890 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:58:39,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:58:40,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-20 23:58:40,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:40,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-20 23:58:40,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-20 23:58:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-20 23:58:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-20 23:58:42,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 19 [2021-11-20 23:58:42,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 19 [2021-11-20 23:58:42,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-20 23:58:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-20 23:58:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:58:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:58:42,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,721 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:58:42,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:58:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-20 23:58:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:58:42,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,929 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 23:58:42,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:58:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:43,019 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:58:43,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:58:43,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 23:58:43,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:58:43,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:58:43,691 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:58:43,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:58:43,726 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:58:43,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:58:43,757 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:58:43,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:58:43,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:43,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:43,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-20 23:58:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:58:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:58:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:58:44,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-20 23:58:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:58:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:58:44,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:58:53,515 WARN L227 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:58:53,516 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:58:53,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:58:53,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:06,363 WARN L227 SmtUtils]: Spent 12.79s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:59:06,364 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:59:06,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:59:21,109 WARN L227 SmtUtils]: Spent 14.62s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:59:21,110 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:59:21,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-20 23:59:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:21,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:22,385 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:59:22,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-20 23:59:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:22,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:23,756 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:59:23,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-20 23:59:26,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:26,614 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:59:26,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-20 23:59:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:27,519 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:59:27,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-20 23:59:27,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:27,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:27,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:28,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:28,091 INFO L244 Elim1Store]: Index analysis took 215 ms [2021-11-20 23:59:28,328 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-20 23:59:28,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1715 treesize of output 1313 [2021-11-20 23:59:29,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:29,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:29,681 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-11-20 23:59:29,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1715 treesize of output 1267 [2021-11-20 23:59:30,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:30,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:30,778 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-20 23:59:30,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1715 treesize of output 1267 [2021-11-20 23:59:32,297 INFO L244 Elim1Store]: Index analysis took 370 ms [2021-11-20 23:59:35,069 INFO L354 Elim1Store]: treesize reduction 502, result has 73.0 percent of original size [2021-11-20 23:59:35,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1724 treesize of output 2624 [2021-11-20 23:59:40,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:41,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:44,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:44,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:44,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:44,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:45,107 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-20 23:59:45,793 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:59:45,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1703 treesize of output 2419 [2021-11-20 23:59:48,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:48,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:48,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1694 treesize of output 1264 [2021-11-20 23:59:48,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:49,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:49,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:49,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:49,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:49,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:49,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:59:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:49,811 INFO L244 Elim1Store]: Index analysis took 242 ms [2021-11-20 23:59:49,826 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:59:49,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1703 treesize of output 1267 [2021-11-20 23:59:50,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:50,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:53,719 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:59:53,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1700 treesize of output 1708 [2021-11-20 23:59:54,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:54,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-20 23:59:55,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:59:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:56,739 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-20 23:59:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:57,990 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-20 23:59:57,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-20 23:59:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:59,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:59:59,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 00:00:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:00:07,421 INFO L190 IndexEqualityManager]: detected not equals via solver