./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.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_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/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_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/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_19c5519d-11e3-4abf-bdb4-236c85df58a1/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 bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:03:07,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:03:07,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:03:08,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:03:08,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:03:08,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:03:08,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:03:08,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:03:08,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:03:08,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:03:08,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:03:08,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:03:08,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:03:08,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:03:08,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:03:08,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:03:08,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:03:08,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:03:08,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:03:08,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:03:08,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:03:08,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:03:08,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:03:08,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:03:08,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:03:08,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:03:08,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:03:08,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:03:08,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:03:08,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:03:08,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:03:08,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:03:08,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:03:08,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:03:08,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:03:08,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:03:08,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:03:08,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:03:08,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:03:08,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:03:08,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:03:08,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 03:03:08,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:03:08,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:03:08,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:03:08,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:03:08,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:03:08,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:03:08,118 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:03:08,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:03:08,118 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:03:08,119 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:03:08,119 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:03:08,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:03:08,120 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:03:08,120 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:03:08,120 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:03:08,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:03:08,121 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:03:08,121 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:03:08,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:03:08,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:03:08,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:03:08,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:03:08,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:03:08,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:03:08,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:03:08,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:03:08,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:03:08,124 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 03:03:08,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:03:08,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:03:08,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:03:08,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:03:08,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:03:08,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:03:08,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:03:08,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:03:08,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:03:08,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:03:08,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:03:08,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:03:08,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:03:08,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:03:08,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:03:08,129 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_19c5519d-11e3-4abf-bdb4-236c85df58a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2021-11-23 03:03:08,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:03:08,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:03:08,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:03:08,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:03:08,499 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:03:08,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-11-23 03:03:08,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/data/c80561d7e/9cac7301bbf54cb7a3bf3d82f6cca9e2/FLAG934e516fa [2021-11-23 03:03:09,234 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:03:09,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2021-11-23 03:03:09,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/data/c80561d7e/9cac7301bbf54cb7a3bf3d82f6cca9e2/FLAG934e516fa [2021-11-23 03:03:09,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/data/c80561d7e/9cac7301bbf54cb7a3bf3d82f6cca9e2 [2021-11-23 03:03:09,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:03:09,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:03:09,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:03:09,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:03:09,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:03:09,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:09" (1/1) ... [2021-11-23 03:03:09,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15163f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:09, skipping insertion in model container [2021-11-23 03:03:09,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:09" (1/1) ... [2021-11-23 03:03:09,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:03:09,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:03:10,104 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_19c5519d-11e3-4abf-bdb4-236c85df58a1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2021-11-23 03:03:10,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:03:10,269 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:03:10,307 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_19c5519d-11e3-4abf-bdb4-236c85df58a1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2021-11-23 03:03:10,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:03:10,464 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:03:10,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10 WrapperNode [2021-11-23 03:03:10,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:03:10,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:03:10,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:03:10,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:03:10,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,618 INFO L137 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 782 [2021-11-23 03:03:10,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:03:10,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:03:10,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:03:10,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:03:10,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:03:10,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:03:10,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:03:10,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:03:10,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 03:03:10,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:03:10,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:10,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:03:10,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:03:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:03:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:03:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:03:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:03:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:03:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:03:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:03:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:03:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:03:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:03:10,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:03:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:03:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:03:10,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:03:10,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:03:11,013 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:03:11,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:03:11,973 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:03:12,371 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:03:12,371 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-23 03:03:12,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:12 BoogieIcfgContainer [2021-11-23 03:03:12,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:03:12,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:03:12,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:03:12,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:03:12,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:03:09" (1/3) ... [2021-11-23 03:03:12,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2f2444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:03:12, skipping insertion in model container [2021-11-23 03:03:12,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (2/3) ... [2021-11-23 03:03:12,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2f2444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:03:12, skipping insertion in model container [2021-11-23 03:03:12,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:12" (3/3) ... [2021-11-23 03:03:12,390 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-2.i [2021-11-23 03:03:12,398 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:03:12,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 03:03:12,468 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:03:12,480 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:03:12,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 03:03:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:03:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:03:12,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:12,509 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:03:12,510 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:03:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:12,515 INFO L85 PathProgramCache]: Analyzing trace with hash 663178, now seen corresponding path program 1 times [2021-11-23 03:03:12,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:12,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186467404] [2021-11-23 03:03:12,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:12,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:12,688 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:03:12,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465275733] [2021-11-23 03:03:12,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:12,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:12,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:12,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:03:12,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:03:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:12,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:03:12,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:03:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:03:12,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:03:12,896 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:12,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186467404] [2021-11-23 03:03:12,897 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:03:12,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465275733] [2021-11-23 03:03:12,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465275733] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:12,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:12,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:03:12,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507367486] [2021-11-23 03:03:12,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:12,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:03:12,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:12,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:03:12,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:03:12,939 INFO L87 Difference]: Start difference. First operand has 103 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 97 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:03:14,163 INFO L93 Difference]: Finished difference Result 258 states and 438 transitions. [2021-11-23 03:03:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:03:14,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-23 03:03:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:03:14,185 INFO L225 Difference]: With dead ends: 258 [2021-11-23 03:03:14,186 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 03:03:14,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:03:14,195 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 54 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:03:14,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 231 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:03:14,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 03:03:14,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-23 03:03:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 03:03:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-23 03:03:14,256 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-23 03:03:14,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:03:14,256 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-23 03:03:14,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 03:03:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 03:03:14,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:14,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:14,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:03:14,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 03:03:14,486 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:03:14,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:14,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1363999608, now seen corresponding path program 1 times [2021-11-23 03:03:14,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:14,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268719114] [2021-11-23 03:03:14,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:14,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:14,514 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:03:14,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973922366] [2021-11-23 03:03:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:14,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:14,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:03:14,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:03:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:14,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:03:14,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:03:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:03:14,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:03:14,928 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:14,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268719114] [2021-11-23 03:03:14,929 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:03:14,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973922366] [2021-11-23 03:03:14,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973922366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:14,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:14,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:03:14,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500154482] [2021-11-23 03:03:14,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:14,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:03:14,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:14,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:03:14,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:03:14,966 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:17,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:03:17,420 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-23 03:03:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:03:17,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-23 03:03:17,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:03:17,428 INFO L225 Difference]: With dead ends: 141 [2021-11-23 03:03:17,428 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 03:03:17,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:03:17,431 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:03:17,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 03:03:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 03:03:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-23 03:03:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:03:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-23 03:03:17,451 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-23 03:03:17,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:03:17,451 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-23 03:03:17,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 03:03:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:03:17,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:17,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:17,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:03:17,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-23 03:03:17,670 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:03:17,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:17,671 INFO L85 PathProgramCache]: Analyzing trace with hash 665685527, now seen corresponding path program 1 times [2021-11-23 03:03:17,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:17,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203237621] [2021-11-23 03:03:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:17,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:17,699 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:03:17,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053832886] [2021-11-23 03:03:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:17,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:17,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:17,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:03:17,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:03:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:17,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:03:17,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:03:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:03:17,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:03:17,992 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:17,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203237621] [2021-11-23 03:03:17,993 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:03:17,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053832886] [2021-11-23 03:03:17,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053832886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:17,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:17,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:03:17,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95779967] [2021-11-23 03:03:17,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:17,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:03:17,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:17,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:03:17,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:03:17,999 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:19,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:03:19,191 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-23 03:03:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:03:19,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-23 03:03:19,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:03:19,206 INFO L225 Difference]: With dead ends: 138 [2021-11-23 03:03:19,207 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 03:03:19,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:03:19,209 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:03:19,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 03:03:19,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 03:03:19,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 03:03:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:03:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 03:03:19,231 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-23 03:03:19,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:03:19,232 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 03:03:19,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 03:03:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 03:03:19,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:19,234 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:19,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:03:19,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:19,461 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:03:19,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash -226314427, now seen corresponding path program 1 times [2021-11-23 03:03:19,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:19,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566180084] [2021-11-23 03:03:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:19,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:19,481 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:03:19,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754940421] [2021-11-23 03:03:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:19,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:19,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:19,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:03:19,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 03:03:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:19,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 03:03:19,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:03:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:03:19,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:03:19,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:19,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566180084] [2021-11-23 03:03:19,749 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:03:19,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754940421] [2021-11-23 03:03:19,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754940421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:19,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:19,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:03:19,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870234955] [2021-11-23 03:03:19,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:19,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:03:19,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:19,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:03:19,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:03:19,753 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:03:21,416 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-23 03:03:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:03:21,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 03:03:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:03:21,435 INFO L225 Difference]: With dead ends: 246 [2021-11-23 03:03:21,435 INFO L226 Difference]: Without dead ends: 135 [2021-11-23 03:03:21,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:03:21,437 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, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:03:21,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 03:03:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-23 03:03:21,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-23 03:03:21,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:03:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-23 03:03:21,478 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-23 03:03:21,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:03:21,478 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-23 03:03:21,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:03:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-23 03:03:21,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 03:03:21,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:21,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:21,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:03:21,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:21,694 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:03:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:21,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2000698168, now seen corresponding path program 1 times [2021-11-23 03:03:21,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:21,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97544851] [2021-11-23 03:03:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:21,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:21,713 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:03:21,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033758752] [2021-11-23 03:03:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:21,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:21,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:03:21,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 03:03:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:22,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:03:22,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:03:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:03:22,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 03:03:22,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:22,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97544851] [2021-11-23 03:03:22,159 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:03:22,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033758752] [2021-11-23 03:03:22,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033758752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:22,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:22,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:03:22,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242258950] [2021-11-23 03:03:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:22,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:03:22,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:03:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:03:22,162 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:03:23,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:03:23,582 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-23 03:03:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:03:23,587 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2021-11-23 03:03:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:03:23,589 INFO L225 Difference]: With dead ends: 252 [2021-11-23 03:03:23,589 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 03:03:23,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:03:23,592 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:03:23,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 03:03:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 03:03:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 03:03:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 03:03:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-23 03:03:23,608 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-23 03:03:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:03:23,608 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-23 03:03:23,609 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:03:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-23 03:03:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 03:03:23,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:23,611 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:23,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-23 03:03:23,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:23,834 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 03:03:23,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:23,835 INFO L85 PathProgramCache]: Analyzing trace with hash 56861400, now seen corresponding path program 1 times [2021-11-23 03:03:23,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:23,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719225820] [2021-11-23 03:03:23,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:23,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:23,850 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:03:23,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659296787] [2021-11-23 03:03:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:23,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:03:23,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:03:23,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:03:23,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c5519d-11e3-4abf-bdb4-236c85df58a1/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 03:03:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:24,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:03:24,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:03:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:03:24,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:03:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:03:24,542 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:24,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719225820] [2021-11-23 03:03:24,542 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:03:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659296787] [2021-11-23 03:03:24,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659296787] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:03:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1342332960] [2021-11-23 03:03:24,566 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 03:03:24,567 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:03:24,571 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:03:24,577 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:03:24,577 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:03:24,744 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:03:24,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 03:03:24,758 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 15 treesize of output 1 [2021-11-23 03:03:24,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 03:03:24,778 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 15 treesize of output 1 [2021-11-23 03:03:24,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 03:03:24,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 03:03:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:24,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-23 03:03:24,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 03:03:25,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:03:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:03:25,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-23 03:03:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:03:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:03:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,425 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 89 treesize of output 88 [2021-11-23 03:03:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:03:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:03:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 03:03:25,615 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:03:25,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 03:03:25,687 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 03:03:25,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 03:03:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:03:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:25,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:03:25,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:03:25,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:03:25,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:03:25,923 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:03:25,924 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 98 treesize of output 97 [2021-11-23 03:03:25,953 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-23 03:03:25,953 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 94 treesize of output 93 [2021-11-23 03:03:25,977 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-23 03:03:25,978 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 90 treesize of output 89 [2021-11-23 03:03:26,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:03:26,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 03:03:26,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 03:03:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:03:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 03:03:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:03:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 03:03:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:03:26,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:26,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 03:03:32,706 WARN L227 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:03:32,707 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:03:32,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2841 treesize of output 2318 [2021-11-23 03:03:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:03:44,794 WARN L227 SmtUtils]: Spent 12.04s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:03:44,795 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:03:44,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2942 treesize of output 2660 [2021-11-23 03:03:57,229 WARN L227 SmtUtils]: Spent 12.27s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:03:57,230 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:03:57,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2910 treesize of output 2680 [2021-11-23 03:03:58,790 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 03:03:58,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25948 treesize of output 25976 [2021-11-23 03:03:59,861 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 03:03:59,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25958 treesize of output 25969 [2021-11-23 03:04:00,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:04:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:00,943 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:04:00,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:04:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:01,439 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:04:01,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 03:04:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:01,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:04:01,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 03:04:01,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:04:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:02,097 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 03:04:02,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-23 03:04:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:02,824 INFO L354 Elim1Store]: treesize reduction 20, result has 62.3 percent of original size [2021-11-23 03:04:02,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 77 [2021-11-23 03:04:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:03,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:04:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:03,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2021-11-23 03:04:03,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:04:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:03,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:04:03,780 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 34 treesize of output 16 [2021-11-23 03:04:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:04,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:05,042 INFO L244 Elim1Store]: Index analysis took 210 ms [2021-11-23 03:04:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:04:13,700 WARN L227 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 166 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:04:13,701 INFO L354 Elim1Store]: treesize reduction 1462, result has 62.8 percent of original size [2021-11-23 03:04:13,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 32 case distinctions, treesize of input 50612 treesize of output 50428