./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/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_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/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_35857949-dfba-4558-a32b-8449167165cd/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 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:52:26,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:52:26,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:52:26,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:52:26,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:52:27,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:52:27,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:52:27,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:52:27,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:52:27,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:52:27,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:52:27,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:52:27,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:52:27,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:52:27,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:52:27,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:52:27,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:52:27,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:52:27,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:52:27,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:52:27,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:52:27,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:52:27,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:52:27,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:52:27,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:52:27,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:52:27,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:52:27,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:52:27,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:52:27,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:52:27,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:52:27,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:52:27,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:52:27,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:52:27,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:52:27,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:52:27,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:52:27,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:52:27,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:52:27,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:52:27,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:52:27,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 01:52:27,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:52:27,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:52:27,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:52:27,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:52:27,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:52:27,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:52:27,095 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:52:27,095 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:52:27,096 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:52:27,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:52:27,096 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:52:27,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:52:27,097 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:52:27,097 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:52:27,097 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:52:27,098 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:52:27,098 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:52:27,098 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:52:27,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:52:27,099 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:52:27,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:52:27,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:52:27,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:52:27,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:52:27,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:52:27,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:52:27,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:52:27,101 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:52:27,102 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:52:27,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:52:27,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:52:27,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:52:27,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:52:27,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:52:27,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:52:27,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:52:27,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:52:27,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:52:27,104 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:52:27,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:52:27,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:52:27,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:52:27,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:52:27,105 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_35857949-dfba-4558-a32b-8449167165cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2021-11-23 01:52:27,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:52:27,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:52:27,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:52:27,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:52:27,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:52:27,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-23 01:52:27,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/data/b46f6caab/362211a101004382b0e5e2505afcba0c/FLAGe77a1cdd9 [2021-11-23 01:52:28,341 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:52:28,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-23 01:52:28,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/data/b46f6caab/362211a101004382b0e5e2505afcba0c/FLAGe77a1cdd9 [2021-11-23 01:52:28,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/data/b46f6caab/362211a101004382b0e5e2505afcba0c [2021-11-23 01:52:28,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:52:28,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:52:28,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:52:28,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:52:28,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:52:28,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:28" (1/1) ... [2021-11-23 01:52:28,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b643053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:28, skipping insertion in model container [2021-11-23 01:52:28,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:28" (1/1) ... [2021-11-23 01:52:28,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:52:28,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:52:29,100 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_35857949-dfba-4558-a32b-8449167165cd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-23 01:52:29,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:52:29,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:52:29,265 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_35857949-dfba-4558-a32b-8449167165cd/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-23 01:52:29,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:52:29,379 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:52:29,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29 WrapperNode [2021-11-23 01:52:29,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:52:29,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:52:29,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:52:29,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:52:29,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,487 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-23 01:52:29,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:52:29,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:52:29,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:52:29,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:52:29,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:52:29,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:52:29,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:52:29,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:52:29,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (1/1) ... [2021-11-23 01:52:29,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:52:29,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:29,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:52:29,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:52:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:52:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:52:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:52:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:52:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:52:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:52:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:52:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:52:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:52:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:52:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:52:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:52:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:52:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:52:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:52:29,975 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:52:29,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:52:30,982 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:52:31,234 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:52:31,234 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-23 01:52:31,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:31 BoogieIcfgContainer [2021-11-23 01:52:31,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:52:31,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:52:31,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:52:31,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:52:31,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:52:28" (1/3) ... [2021-11-23 01:52:31,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17996b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:31, skipping insertion in model container [2021-11-23 01:52:31,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:29" (2/3) ... [2021-11-23 01:52:31,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17996b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:31, skipping insertion in model container [2021-11-23 01:52:31,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:31" (3/3) ... [2021-11-23 01:52:31,246 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-1.i [2021-11-23 01:52:31,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:52:31,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 01:52:31,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:52:31,315 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 01:52:31,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 01:52:31,335 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 01:52:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:52:31,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:31,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 01:52:31,339 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 01:52:31,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:31,345 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-23 01:52:31,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:31,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759910897] [2021-11-23 01:52:31,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:31,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:31,489 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:52:31,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689455089] [2021-11-23 01:52:31,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:31,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:31,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:31,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:52:31,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:52:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:31,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:52:31,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:31,703 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 01:52:31,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:52:31,704 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:31,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759910897] [2021-11-23 01:52:31,705 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:52:31,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689455089] [2021-11-23 01:52:31,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689455089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:31,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:31,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 01:52:31,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068918076] [2021-11-23 01:52:31,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:31,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:52:31,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:52:31,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:31,763 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 01:52:33,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:33,325 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-23 01:52:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:52:33,339 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 01:52:33,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:33,350 INFO L225 Difference]: With dead ends: 230 [2021-11-23 01:52:33,350 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 01:52:33,373 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 01:52:33,377 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 01:52:33,378 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 01:52:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 01:52:33,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-23 01:52:33,451 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 01:52:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-23 01:52:33,459 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-23 01:52:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:33,459 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-23 01:52:33,460 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 01:52:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 01:52:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:33,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:33,465 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 01:52:33,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 01:52:33,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 01:52:33,669 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 01:52:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:33,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-23 01:52:33,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:33,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698462587] [2021-11-23 01:52:33,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:33,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:33,690 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:52:33,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109771901] [2021-11-23 01:52:33,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:33,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:33,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:52:33,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:52:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:33,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:52:33,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:33,962 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 01:52:33,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:52:33,962 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:33,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698462587] [2021-11-23 01:52:33,963 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:52:33,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109771901] [2021-11-23 01:52:33,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109771901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:33,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:33,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:52:33,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022213147] [2021-11-23 01:52:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:33,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:52:33,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:33,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:52:33,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:52:33,967 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 01:52:35,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:52:35,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:35,947 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-23 01:52:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:52:35,955 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 01:52:35,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:35,957 INFO L225 Difference]: With dead ends: 141 [2021-11-23 01:52:35,958 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 01:52:35,958 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 01:52:35,960 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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 01:52:35,961 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 01:52:35,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 01:52:35,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-23 01:52:35,979 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 01:52:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-23 01:52:35,982 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-23 01:52:35,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:35,983 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-23 01:52:35,983 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 01:52:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 01:52:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:52:35,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:35,985 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 01:52:36,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 01:52:36,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-23 01:52:36,193 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 01:52:36,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-23 01:52:36,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:36,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020486048] [2021-11-23 01:52:36,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:36,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:36,212 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:52:36,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639399463] [2021-11-23 01:52:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:36,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:36,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:52:36,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 01:52:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:36,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:52:36,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:36,475 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 01:52:36,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:52:36,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:36,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020486048] [2021-11-23 01:52:36,477 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:52:36,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639399463] [2021-11-23 01:52:36,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639399463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:36,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:36,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:52:36,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262683709] [2021-11-23 01:52:36,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:36,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:52:36,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:36,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:52:36,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:52:36,483 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 01:52:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:37,255 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-23 01:52:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:52:37,263 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 01:52:37,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:37,265 INFO L225 Difference]: With dead ends: 138 [2021-11-23 01:52:37,265 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 01:52:37,266 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 01:52:37,268 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:52:37,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 01:52:37,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 01:52:37,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 01:52:37,302 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 01:52:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 01:52:37,304 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-23 01:52:37,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:37,304 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 01:52:37,305 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 01:52:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 01:52:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:52:37,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:37,307 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 01:52:37,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 01:52:37,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:37,522 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 01:52:37,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:37,523 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-23 01:52:37,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:37,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325105874] [2021-11-23 01:52:37,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:37,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:37,541 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:52:37,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849325835] [2021-11-23 01:52:37,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:37,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:37,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:52:37,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 01:52:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:37,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:52:37,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:37,843 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 01:52:37,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:52:37,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:37,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325105874] [2021-11-23 01:52:37,844 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:52:37,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849325835] [2021-11-23 01:52:37,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849325835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:37,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:37,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:52:37,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040131049] [2021-11-23 01:52:37,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:37,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:52:37,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:37,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:52:37,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:37,858 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 01:52:39,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 01:52:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:39,541 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-23 01:52:39,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:52:39,547 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 01:52:39,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:39,549 INFO L225 Difference]: With dead ends: 246 [2021-11-23 01:52:39,549 INFO L226 Difference]: Without dead ends: 135 [2021-11-23 01:52:39,551 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 01:52:39,552 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:52:39,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 01:52:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-23 01:52:39,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-23 01:52:39,574 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 01:52:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-23 01:52:39,576 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-23 01:52:39,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:39,577 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-23 01:52:39,577 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 01:52:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-23 01:52:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:52:39,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:39,579 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 01:52:39,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 01:52:39,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:39,780 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 01:52:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-23 01:52:39,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:39,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703681258] [2021-11-23 01:52:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:39,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:39,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:52:39,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978852648] [2021-11-23 01:52:39,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:39,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:39,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:39,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:52:39,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 01:52:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:40,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:52:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:40,578 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 01:52:40,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:52:40,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:40,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703681258] [2021-11-23 01:52:40,579 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:52:40,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978852648] [2021-11-23 01:52:40,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978852648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:40,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:40,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:52:40,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75099] [2021-11-23 01:52:40,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:40,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:52:40,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:40,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:52:40,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:52:40,582 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 01:52:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:41,216 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-23 01:52:41,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:52:41,224 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 01:52:41,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:41,225 INFO L225 Difference]: With dead ends: 252 [2021-11-23 01:52:41,226 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 01:52:41,227 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 01:52:41,228 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 01:52:41,229 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 01:52:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 01:52:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 01:52:41,244 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 01:52:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-23 01:52:41,246 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-23 01:52:41,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:41,246 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-23 01:52:41,247 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 01:52:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-23 01:52:41,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:52:41,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:41,249 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 01:52:41,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 01:52:41,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:41,466 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 01:52:41,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:41,467 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-23 01:52:41,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:41,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992483774] [2021-11-23 01:52:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:41,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:41,492 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 01:52:41,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964294521] [2021-11-23 01:52:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:41,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:52:41,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:41,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:52:41,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35857949-dfba-4558-a32b-8449167165cd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 01:52:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:44,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:52:44,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:44,839 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 01:52:44,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:52:45,059 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 01:52:45,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:45,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992483774] [2021-11-23 01:52:45,060 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 01:52:45,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964294521] [2021-11-23 01:52:45,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964294521] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:52:45,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [978285962] [2021-11-23 01:52:45,099 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 01:52:45,099 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:52:45,105 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:52:45,112 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:52:45,113 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:52:45,293 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 01:52:45,325 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 01:52:45,325 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 01:52:45,350 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 01:52:45,354 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 01:52:45,365 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 01:52:45,410 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 01:52:45,411 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 01:52:45,461 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 01:52:45,473 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 01:52:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:45,499 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 01:52:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,031 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 01:52:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,064 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 01:52:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,086 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 01:52:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,117 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 01:52:46,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,173 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 01:52:46,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,212 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 01:52:46,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,237 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 01:52:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,317 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 01:52:46,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,350 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 01:52:46,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,399 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 01:52:46,444 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 01:52:46,444 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 01:52:46,508 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 01:52:46,509 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 01:52:46,628 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 01:52:46,633 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 01:52:46,637 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 01:52:46,694 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 01:52:46,694 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 01:52:46,723 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:52:46,723 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 01:52:46,751 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 01:52:46,752 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 01:52:46,796 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 01:52:46,801 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 01:52:46,808 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 01:52:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,887 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 01:52:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,911 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 01:52:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:46,937 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 01:52:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,069 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 01:52:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,086 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 01:52:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:52:47,102 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 01:52:54,348 WARN L227 SmtUtils]: Spent 7.16s 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 01:52:54,349 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 01:52:54,349 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 01:52:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:05,555 WARN L227 SmtUtils]: Spent 11.16s 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 01:53:05,555 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 01:53:05,556 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 01:53:18,429 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 01:53:18,431 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 01:53:18,432 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 01:53:20,242 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 01:53:20,243 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 01:53:21,041 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 01:53:21,042 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 01:53:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:21,938 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 01:53:21,938 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 01:53:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:22,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:53:22,523 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 01:53:22,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:22,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:22,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:22,783 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 01:53:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:23,128 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 01:53:23,129 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 01:53:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:23,323 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:53:23,324 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 01:53:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:23,498 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 01:53:23,498 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 01:53:23,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:23,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:23,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:23,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:23,827 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 01:53:23,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:24,826 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-23 01:53:26,046 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:53:26,047 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 01:53:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:41,049 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-23 01:53:41,353 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 01:53:41,353 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 01:53:41,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:41,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:41,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:41,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:41,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:41,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:41,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:42,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:42,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:42,226 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:53:42,226 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 01:53:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:42,673 INFO L244 Elim1Store]: Index analysis took 308 ms [2021-11-23 01:53:44,083 INFO L354 Elim1Store]: treesize reduction 881, result has 53.0 percent of original size [2021-11-23 01:53:44,084 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 01:53:44,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:44,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:45,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:45,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:45,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:45,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:45,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:45,625 INFO L354 Elim1Store]: treesize reduction 805, result has 31.0 percent of original size [2021-11-23 01:53:45,626 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 01:53:45,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:45,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:45,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,240 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,405 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:46,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:53:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:46,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:46,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:46,845 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 01:53:46,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:46,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,378 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:47,980 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:48,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:49,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:53:58,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:58,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:59,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:53:59,031 INFO L244 Elim1Store]: Index analysis took 244 ms [2021-11-23 01:54:03,887 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 01:54:03,888 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 02:02:56,193 WARN L227 SmtUtils]: Spent 9.56s 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)