./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V --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 ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:08:19,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:08:19,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:08:19,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:08:19,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:08:19,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:08:19,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:08:19,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:08:19,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:08:19,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:08:19,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:08:19,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:08:19,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:08:19,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:08:19,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:08:19,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:08:20,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:08:20,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:08:20,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:08:20,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:08:20,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:08:20,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:08:20,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:08:20,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:08:20,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:08:20,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:08:20,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:08:20,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:08:20,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:08:20,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:08:20,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:08:20,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:08:20,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:08:20,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:08:20,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:08:20,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:08:20,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:08:20,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:08:20,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:08:20,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:08:20,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:08:20,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:08:20,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:08:20,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:08:20,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:08:20,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:08:20,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:08:20,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:08:20,129 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:08:20,130 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:08:20,130 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:08:20,130 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:08:20,132 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:08:20,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:08:20,132 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:08:20,133 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:08:20,133 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:08:20,133 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:08:20,134 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:08:20,134 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:08:20,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:08:20,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:08:20,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:08:20,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:08:20,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:08:20,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:08:20,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:08:20,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:08:20,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:08:20,140 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:08:20,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:08:20,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:08:20,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:08:20,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:08:20,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:08:20,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:08:20,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:08:20,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:08:20,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:08:20,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:08:20,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:08:20,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:08:20,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:08:20,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:08:20,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:08:20,146 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_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 [2021-11-23 03:08:20,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:08:20,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:08:20,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:08:20,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:08:20,584 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:08:20,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2021-11-23 03:08:20,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/data/852bf53c0/a31ea5328b98498cbf56d1f7bc4959dc/FLAGfd2b4614a [2021-11-23 03:08:21,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:08:21,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2021-11-23 03:08:21,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/data/852bf53c0/a31ea5328b98498cbf56d1f7bc4959dc/FLAGfd2b4614a [2021-11-23 03:08:21,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/data/852bf53c0/a31ea5328b98498cbf56d1f7bc4959dc [2021-11-23 03:08:21,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:08:21,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:08:21,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:08:21,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:08:21,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:08:21,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:21" (1/1) ... [2021-11-23 03:08:21,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd3aada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:21, skipping insertion in model container [2021-11-23 03:08:21,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:21" (1/1) ... [2021-11-23 03:08:21,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:08:21,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:08:22,218 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_665a999b-aa69-4c63-b8d3-6d57ea8372b9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2021-11-23 03:08:22,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:08:22,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:08:22,414 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_665a999b-aa69-4c63-b8d3-6d57ea8372b9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2021-11-23 03:08:22,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:08:22,542 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:08:22,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22 WrapperNode [2021-11-23 03:08:22,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:08:22,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:08:22,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:08:22,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:08:22,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,663 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-23 03:08:22,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:08:22,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:08:22,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:08:22,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:08:22,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:08:22,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:08:22,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:08:22,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:08:22,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (1/1) ... [2021-11-23 03:08:22,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:08:22,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:22,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:08:22,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:08:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:08:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:08:22,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:08:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:08:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:08:22,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:08:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:08:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:08:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:08:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:08:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:08:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:08:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:08:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:08:22,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:08:23,115 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:08:23,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:08:24,021 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:08:24,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:08:24,337 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-23 03:08:24,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:24 BoogieIcfgContainer [2021-11-23 03:08:24,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:08:24,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:08:24,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:08:24,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:08:24,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:08:21" (1/3) ... [2021-11-23 03:08:24,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6828ca00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:24, skipping insertion in model container [2021-11-23 03:08:24,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:22" (2/3) ... [2021-11-23 03:08:24,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6828ca00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:24, skipping insertion in model container [2021-11-23 03:08:24,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:24" (3/3) ... [2021-11-23 03:08:24,354 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-1.i [2021-11-23 03:08:24,360 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:08:24,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 03:08:24,419 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:08:24,427 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 [2021-11-23 03:08:24,427 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 03:08:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:08:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:08:24,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:24,451 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:08:24,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:08:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-23 03:08:24,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:24,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232002988] [2021-11-23 03:08:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:24,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:24,570 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:08:24,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1371455367] [2021-11-23 03:08:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:24,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:24,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:24,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:08:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:24,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:08:24,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:08:24,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:08:24,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:24,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232002988] [2021-11-23 03:08:24,771 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:08:24,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371455367] [2021-11-23 03:08:24,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371455367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:24,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:24,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:08:24,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480194386] [2021-11-23 03:08:24,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:24,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:08:24,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:24,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:08:24,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:24,856 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:08:26,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:26,426 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-23 03:08:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:08:26,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-23 03:08:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:26,452 INFO L225 Difference]: With dead ends: 230 [2021-11-23 03:08:26,452 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 03:08:26,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:26,459 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:26,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 201 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-23 03:08:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 03:08:26,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-23 03:08:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:08:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-23 03:08:26,527 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-23 03:08:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:26,528 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-23 03:08:26,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:08:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 03:08:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 03:08:26,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:26,534 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] [2021-11-23 03:08:26,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:08:26,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:08:26,743 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:08:26,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:26,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-23 03:08:26,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:26,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040257285] [2021-11-23 03:08:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:26,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:26,769 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:08:26,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640343183] [2021-11-23 03:08:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:26,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:26,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:26,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:08:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:26,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:08:26,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:08:27,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:08:27,102 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:27,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040257285] [2021-11-23 03:08:27,103 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:08:27,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640343183] [2021-11-23 03:08:27,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640343183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:27,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:27,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:08:27,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146926899] [2021-11-23 03:08:27,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:27,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:08:27,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:08:27,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:08:27,110 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:08:29,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:29,060 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-23 03:08:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:08:29,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-23 03:08:29,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:29,068 INFO L225 Difference]: With dead ends: 141 [2021-11-23 03:08:29,068 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 03:08:29,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:08:29,069 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:29,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-23 03:08:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 03:08:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-23 03:08:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:08:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-23 03:08:29,088 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-23 03:08:29,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:29,089 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-23 03:08:29,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:08:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 03:08:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:08:29,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:29,091 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] [2021-11-23 03:08:29,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:08:29,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:29,307 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:08:29,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-23 03:08:29,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:29,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471086157] [2021-11-23 03:08:29,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:29,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:29,325 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:08:29,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380266122] [2021-11-23 03:08:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:29,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:29,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:29,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:29,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:08:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:29,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:08:29,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:08:29,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:08:29,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:29,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471086157] [2021-11-23 03:08:29,611 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:08:29,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380266122] [2021-11-23 03:08:29,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380266122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:29,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:29,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:08:29,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011903799] [2021-11-23 03:08:29,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:29,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:08:29,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:29,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:08:29,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:08:29,614 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:08:30,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:30,432 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-23 03:08:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:08:30,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-23 03:08:30,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:30,441 INFO L225 Difference]: With dead ends: 138 [2021-11-23 03:08:30,442 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 03:08:30,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:08:30,443 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:30,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 03:08:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 03:08:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 03:08:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:08:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 03:08:30,462 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-23 03:08:30,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:30,462 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 03:08:30,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:08:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 03:08:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:08:30,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:30,464 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:08:30,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:08:30,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:30,672 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:08:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:30,673 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-23 03:08:30,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:30,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706367096] [2021-11-23 03:08:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:30,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:30,690 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:08:30,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712278414] [2021-11-23 03:08:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:30,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:30,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:30,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:30,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:08:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:30,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:08:30,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:08:31,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:08:31,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:31,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706367096] [2021-11-23 03:08:31,031 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:08:31,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712278414] [2021-11-23 03:08:31,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712278414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:31,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:31,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:08:31,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95648705] [2021-11-23 03:08:31,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:31,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:08:31,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:31,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:08:31,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:31,034 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2021-11-23 03:08:32,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:08:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:32,874 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-23 03:08:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:08:32,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-23 03:08:32,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:32,883 INFO L225 Difference]: With dead ends: 246 [2021-11-23 03:08:32,883 INFO L226 Difference]: Without dead ends: 135 [2021-11-23 03:08:32,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:08:32,885 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:32,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 03:08:32,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-23 03:08:32,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-23 03:08:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:08:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-23 03:08:32,901 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-23 03:08:32,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:32,902 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-23 03:08:32,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2021-11-23 03:08:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-23 03:08:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 03:08:32,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:32,904 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:08:32,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 03:08:33,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:33,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:08:33,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:33,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-23 03:08:33,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:33,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418268647] [2021-11-23 03:08:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:33,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:33,136 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:08:33,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460102694] [2021-11-23 03:08:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:33,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:33,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:33,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:33,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:08:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:33,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:08:33,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:08:33,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:08:33,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:33,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418268647] [2021-11-23 03:08:33,930 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:08:33,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460102694] [2021-11-23 03:08:33,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460102694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:08:33,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:08:33,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:08:33,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421341433] [2021-11-23 03:08:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:08:33,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:08:33,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:08:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:08:33,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:08:33,933 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:08:34,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:08:34,587 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-23 03:08:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:08:34,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2021-11-23 03:08:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:08:34,594 INFO L225 Difference]: With dead ends: 252 [2021-11-23 03:08:34,594 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 03:08:34,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:08:34,596 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:08:34,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 03:08:34,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 03:08:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 03:08:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 03:08:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-23 03:08:34,613 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-23 03:08:34,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:08:34,614 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-23 03:08:34,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:08:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-23 03:08:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 03:08:34,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:08:34,616 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:08:34,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-23 03:08:34,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:34,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:08:34,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:08:34,836 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-23 03:08:34,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:08:34,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591342838] [2021-11-23 03:08:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:34,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:08:34,854 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:08:34,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626943525] [2021-11-23 03:08:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:08:34,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:08:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:08:34,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:08:34,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665a999b-aa69-4c63-b8d3-6d57ea8372b9/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:08:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:08:38,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 03:08:38,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:08:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:08:38,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:08:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:08:38,711 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:08:38,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591342838] [2021-11-23 03:08:38,711 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:08:38,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626943525] [2021-11-23 03:08:38,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626943525] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:08:38,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1253809014] [2021-11-23 03:08:38,735 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 03:08:38,735 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:08:38,739 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:08:38,745 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:08:38,745 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:08:38,859 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 [2021-11-23 03:08:38,894 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:08:38,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 03:08:38,921 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:08:38,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-23 03:08:38,933 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 [2021-11-23 03:08:38,977 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:08:38,978 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 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 03:08:39,023 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 19 treesize of output 1 [2021-11-23 03:08:39,036 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 19 treesize of output 1 [2021-11-23 03:08:39,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 03:08:39,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:08:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:08:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,514 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 55 treesize of output 66 [2021-11-23 03:08:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:08:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:08:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 03:08:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:08:39,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:08:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:08:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:39,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 03:08:39,950 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:08:39,951 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 117 treesize of output 125 [2021-11-23 03:08:40,037 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 03:08:40,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 03:08:40,187 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 [2021-11-23 03:08:40,193 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 [2021-11-23 03:08:40,199 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 [2021-11-23 03:08:40,264 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:08:40,265 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 [2021-11-23 03:08:40,297 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:08:40,298 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 [2021-11-23 03:08:40,333 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:08:40,333 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 [2021-11-23 03:08:40,380 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 [2021-11-23 03:08:40,386 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 [2021-11-23 03:08:40,393 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 [2021-11-23 03:08:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:08:40,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 51 treesize of output 21 [2021-11-23 03:08:40,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:08:40,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 51 treesize of output 21 [2021-11-23 03:08:40,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:08:40,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:40,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:08:48,563 WARN L227 SmtUtils]: Spent 7.74s 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) [2021-11-23 03:08:48,564 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:08:48,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2841 treesize of output 2318 [2021-11-23 03:08:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:08:59,721 WARN L227 SmtUtils]: Spent 11.10s 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) [2021-11-23 03:08:59,722 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:08:59,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2942 treesize of output 2660 [2021-11-23 03:09:12,614 WARN L227 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:09:12,621 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:09:12,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2910 treesize of output 2680 [2021-11-23 03:09:14,724 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 03:09:14,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25948 treesize of output 25976 [2021-11-23 03:09:15,485 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 03:09:15,486 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 7 case distinctions, treesize of input 25958 treesize of output 25969 [2021-11-23 03:09:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:16,448 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:09:16,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:09:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:17,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:09:17,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 03:09:17,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:17,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 03:09:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:17,708 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 03:09:17,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-23 03:09:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:17,899 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:09:17,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-23 03:09:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:18,084 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 03:09:18,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-23 03:09:18,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:18,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:18,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:18,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 03:09:18,472 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:19,525 INFO L244 Elim1Store]: Index analysis took 185 ms [2021-11-23 03:09:20,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:09:20,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-23 03:09:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:35,498 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-23 03:09:35,753 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 03:09:35,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-23 03:09:36,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:36,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:36,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:36,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:36,658 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-23 03:09:36,792 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:09:36,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1715 treesize of output 1483 [2021-11-23 03:09:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:37,238 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-23 03:09:38,929 INFO L354 Elim1Store]: treesize reduction 881, result has 53.0 percent of original size [2021-11-23 03:09:38,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1736 treesize of output 2259 [2021-11-23 03:09:39,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:39,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:40,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:40,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:40,517 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-23 03:09:40,922 INFO L354 Elim1Store]: treesize reduction 805, result has 31.0 percent of original size [2021-11-23 03:09:40,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1715 treesize of output 1627 [2021-11-23 03:09:41,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:41,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:42,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:42,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:09:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:42,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:42,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:42,275 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-23 03:09:42,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1697 treesize of output 1247 [2021-11-23 03:09:42,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:42,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:43,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:44,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:45,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:09:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:09:55,244 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-11-23 03:10:00,697 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:10:00,698 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 03:10:00,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 458493 treesize of output 456565 [2021-11-23 03:13:36,850 WARN L227 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 1506 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 03:19:17,352 WARN L227 SmtUtils]: Spent 9.89s on a formula simplification. DAG size of input: 1621 DAG size of output: 1621 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)