./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:45:26,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:45:26,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:45:26,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:45:26,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:45:26,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:45:26,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:45:26,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:45:26,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:45:26,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:45:26,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:45:26,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:45:26,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:45:26,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:45:26,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:45:26,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:45:26,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:45:26,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:45:26,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:45:26,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:45:26,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:45:26,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:45:26,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:45:26,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:45:26,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:45:26,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:45:26,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:45:26,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:45:26,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:45:26,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:45:26,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:45:26,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:45:26,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:45:26,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:45:26,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:45:26,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:45:26,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:45:26,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:45:26,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:45:26,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:45:26,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:45:26,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 22:45:26,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:45:26,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:45:26,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:45:26,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:45:26,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:45:26,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:45:26,291 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:45:26,292 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:45:26,292 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:45:26,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:45:26,292 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:45:26,292 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:45:26,292 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:45:26,293 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:45:26,293 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:45:26,293 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:45:26,293 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:45:26,293 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:45:26,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:45:26,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:45:26,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 22:45:26,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:45:26,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:45:26,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:45:26,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:45:26,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:45:26,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:45:26,296 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 22:45:26,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:45:26,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:45:26,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:45:26,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:45:26,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:45:26,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:45:26,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:26,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:45:26,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:45:26,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:45:26,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:45:26,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:45:26,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:45:26,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:45:26,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:45:26,300 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_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b [2021-11-20 22:45:26,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:45:26,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:45:26,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:45:26,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:45:26,630 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:45:26,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2021-11-20 22:45:26,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/data/0cb6815d5/ec2517b3f2cf4b5e8b130bff08d5e7dc/FLAG930f46c82 [2021-11-20 22:45:27,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:45:27,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2021-11-20 22:45:27,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/data/0cb6815d5/ec2517b3f2cf4b5e8b130bff08d5e7dc/FLAG930f46c82 [2021-11-20 22:45:27,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/data/0cb6815d5/ec2517b3f2cf4b5e8b130bff08d5e7dc [2021-11-20 22:45:27,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:45:27,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:45:27,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:27,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:45:27,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:45:27,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:27" (1/1) ... [2021-11-20 22:45:27,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b22a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:27, skipping insertion in model container [2021-11-20 22:45:27,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:27" (1/1) ... [2021-11-20 22:45:27,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:45:27,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:45:28,232 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_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2021-11-20 22:45:28,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:28,413 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:45:28,452 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_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2021-11-20 22:45:28,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:28,587 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:45:28,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28 WrapperNode [2021-11-20 22:45:28,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:28,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:28,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:45:28,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:45:28,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,784 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1451 [2021-11-20 22:45:28,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:28,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:45:28,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:45:28,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:45:28,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:45:28,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:45:28,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:45:28,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:45:28,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (1/1) ... [2021-11-20 22:45:28,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:28,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:28,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:45:29,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:45:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:45:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 22:45:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 22:45:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:45:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 22:45:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 22:45:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:45:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:45:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:45:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 22:45:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 22:45:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:45:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:45:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:45:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:45:29,371 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:45:29,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:45:30,714 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:45:31,266 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:45:31,266 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-20 22:45:31,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:31 BoogieIcfgContainer [2021-11-20 22:45:31,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:45:31,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:45:31,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:45:31,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:45:31,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:45:27" (1/3) ... [2021-11-20 22:45:31,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4d8ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:31, skipping insertion in model container [2021-11-20 22:45:31,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:28" (2/3) ... [2021-11-20 22:45:31,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4d8ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:45:31, skipping insertion in model container [2021-11-20 22:45:31,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:31" (3/3) ... [2021-11-20 22:45:31,288 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-3.i [2021-11-20 22:45:31,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:45:31,293 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 22:45:31,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:45:31,347 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:45:31,348 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 22:45:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 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) [2021-11-20 22:45:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 22:45:31,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:31,372 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 22:45:31,372 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)] === [2021-11-20 22:45:31,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:31,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1114569, now seen corresponding path program 1 times [2021-11-20 22:45:31,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:31,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437247782] [2021-11-20 22:45:31,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:31,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:31,491 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:31,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107976772] [2021-11-20 22:45:31,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:31,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:31,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:31,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:31,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 22:45:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:31,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:45:31,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:45:31,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:45:31,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:31,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437247782] [2021-11-20 22:45:31,799 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:31,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107976772] [2021-11-20 22:45:31,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107976772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:31,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:31,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 22:45:31,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193296014] [2021-11-20 22:45:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:31,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:45:31,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:45:31,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:45:31,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:45:31,845 INFO L87 Difference]: Start difference. First operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 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) 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) [2021-11-20 22:45:35,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:45:35,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:35,567 INFO L93 Difference]: Finished difference Result 420 states and 734 transitions. [2021-11-20 22:45:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:45:35,573 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 [2021-11-20 22:45:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:35,584 INFO L225 Difference]: With dead ends: 420 [2021-11-20 22:45:35,597 INFO L226 Difference]: Without dead ends: 233 [2021-11-20 22:45:35,602 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 [2021-11-20 22:45:35,608 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 102 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:35,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 357 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-20 22:45:35,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-20 22:45:35,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-20 22:45:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 22:45:35,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-20 22:45:35,685 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-20 22:45:35,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:35,685 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-20 22:45:35,685 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) [2021-11-20 22:45:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-20 22:45:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-20 22:45:35,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:35,689 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:35,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:45:35,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:35,897 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)] === [2021-11-20 22:45:35,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:35,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1598010711, now seen corresponding path program 1 times [2021-11-20 22:45:35,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:35,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043122710] [2021-11-20 22:45:35,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:35,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:35,954 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:35,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2020136127] [2021-11-20 22:45:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:35,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:35,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:35,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 22:45:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:36,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:45:36,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:45:36,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:45:36,463 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:36,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043122710] [2021-11-20 22:45:36,464 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:36,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020136127] [2021-11-20 22:45:36,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020136127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:36,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:36,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:45:36,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329402579] [2021-11-20 22:45:36,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:36,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:45:36,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:45:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:45:36,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:45:36,468 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:45:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:39,510 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-20 22:45:39,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 22:45:39,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-20 22:45:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:39,519 INFO L225 Difference]: With dead ends: 233 [2021-11-20 22:45:39,519 INFO L226 Difference]: Without dead ends: 232 [2021-11-20 22:45:39,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:45:39,521 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 59 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:39,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 463 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-20 22:45:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-20 22:45:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-20 22:45:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:45:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-20 22:45:39,545 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-20 22:45:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:39,546 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-20 22:45:39,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:45:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-20 22:45:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 22:45:39,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:39,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:39,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:45:39,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-20 22:45:39,762 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)] === [2021-11-20 22:45:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2001274746, now seen corresponding path program 1 times [2021-11-20 22:45:39,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:39,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704002999] [2021-11-20 22:45:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:39,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:39,805 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:39,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264912035] [2021-11-20 22:45:39,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:39,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:39,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:39,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:39,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 22:45:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:40,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 22:45:40,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:45:40,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:45:40,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:40,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704002999] [2021-11-20 22:45:40,239 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:40,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264912035] [2021-11-20 22:45:40,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264912035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:40,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:40,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:45:40,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739706409] [2021-11-20 22:45:40,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:40,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:45:40,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:45:40,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:45:40,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:45:40,243 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:45:42,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:45:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:42,657 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-20 22:45:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:45:42,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-20 22:45:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:42,662 INFO L225 Difference]: With dead ends: 230 [2021-11-20 22:45:42,662 INFO L226 Difference]: Without dead ends: 229 [2021-11-20 22:45:42,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:45:42,664 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:42,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 22:45:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-20 22:45:42,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-20 22:45:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:45:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-20 22:45:42,691 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-20 22:45:42,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:42,692 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-20 22:45:42,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:45:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-20 22:45:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 22:45:42,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:42,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:42,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 22:45:42,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:42,922 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)] === [2021-11-20 22:45:42,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:42,922 INFO L85 PathProgramCache]: Analyzing trace with hash 920356912, now seen corresponding path program 1 times [2021-11-20 22:45:42,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:42,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518422548] [2021-11-20 22:45:42,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:42,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:42,941 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:42,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145089583] [2021-11-20 22:45:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:42,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:42,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:42,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 22:45:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:43,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:45:43,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:45:43,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:45:43,498 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:43,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518422548] [2021-11-20 22:45:43,499 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:43,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145089583] [2021-11-20 22:45:43,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145089583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:43,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:43,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:45:43,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687262712] [2021-11-20 22:45:43,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:43,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:45:43,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:45:43,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:45:43,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:45:43,510 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:45:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:45,615 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-20 22:45:45,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:45:45,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-20 22:45:45,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:45,621 INFO L225 Difference]: With dead ends: 384 [2021-11-20 22:45:45,621 INFO L226 Difference]: Without dead ends: 227 [2021-11-20 22:45:45,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:45:45,624 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:45,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 22:45:45,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-20 22:45:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-20 22:45:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:45:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-20 22:45:45,649 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-20 22:45:45,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:45,650 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-20 22:45:45,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:45:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-20 22:45:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 22:45:45,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:45,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:45,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 22:45:45,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:45,869 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)] === [2021-11-20 22:45:45,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1681483749, now seen corresponding path program 1 times [2021-11-20 22:45:45,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:45,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459319607] [2021-11-20 22:45:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:45,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:45,913 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:45,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53191751] [2021-11-20 22:45:45,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:45,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:45,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:45,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 22:45:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 22:45:46,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:45:46,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:45:46,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:46,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459319607] [2021-11-20 22:45:46,340 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:46,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53191751] [2021-11-20 22:45:46,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53191751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:46,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:46,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 22:45:46,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55301557] [2021-11-20 22:45:46,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:46,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:45:46,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:45:46,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:45:46,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:45:46,342 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 22:45:47,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:47,925 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-20 22:45:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:45:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-20 22:45:47,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:47,936 INFO L225 Difference]: With dead ends: 426 [2021-11-20 22:45:47,936 INFO L226 Difference]: Without dead ends: 225 [2021-11-20 22:45:47,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:45:47,938 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:47,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 22:45:47,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-20 22:45:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-20 22:45:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 22:45:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-20 22:45:47,982 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-20 22:45:47,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:47,982 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-20 22:45:47,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 22:45:47,983 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-20 22:45:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 22:45:47,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:47,989 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:48,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 22:45:48,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:48,190 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)] === [2021-11-20 22:45:48,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:48,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1167209906, now seen corresponding path program 1 times [2021-11-20 22:45:48,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:48,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436898184] [2021-11-20 22:45:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:48,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:48,222 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:48,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374712121] [2021-11-20 22:45:48,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:48,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:48,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:48,230 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:48,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 22:45:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:48,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 22:45:48,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 22:45:48,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 22:45:48,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:48,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436898184] [2021-11-20 22:45:48,977 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:48,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374712121] [2021-11-20 22:45:48,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374712121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:45:48,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:45:48,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 22:45:48,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841529353] [2021-11-20 22:45:48,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:45:48,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:45:48,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:45:48,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:45:48,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:45:48,981 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:45:53,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 22:45:53,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:45:53,393 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-20 22:45:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:45:53,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-20 22:45:53,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:45:53,408 INFO L225 Difference]: With dead ends: 432 [2021-11-20 22:45:53,409 INFO L226 Difference]: Without dead ends: 227 [2021-11-20 22:45:53,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:45:53,410 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:45:53,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 22:45:53,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-20 22:45:53,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-20 22:45:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-20 22:45:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-20 22:45:53,427 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-20 22:45:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:45:53,427 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-20 22:45:53,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 22:45:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-20 22:45:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 22:45:53,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:45:53,431 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:45:53,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-20 22:45:53,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 22:45:53,646 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 22:45:53,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:45:53,646 INFO L85 PathProgramCache]: Analyzing trace with hash -872916030, now seen corresponding path program 1 times [2021-11-20 22:45:53,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:45:53,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059443705] [2021-11-20 22:45:53,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:53,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:45:53,662 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 22:45:53,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235373541] [2021-11-20 22:45:53,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:45:53,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:45:53,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:53,668 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:45:53,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1ddc3f-6e84-4cff-aad9-1bd2ab21aa2d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 22:45:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:45:55,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 22:45:55,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:45:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-20 22:45:55,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:45:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 22:45:55,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:45:55,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059443705] [2021-11-20 22:45:55,530 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 22:45:55,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235373541] [2021-11-20 22:45:55,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235373541] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:45:55,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [570804297] [2021-11-20 22:45:55,552 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-20 22:45:55,552 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 22:45:55,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 22:45:55,561 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 22:45:55,562 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 22:45:55,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 22:45:56,023 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 22:45:56,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 22:45:56,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-20 22:45:56,099 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 22:45:56,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-20 22:45:56,159 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 22:45:56,160 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 [2021-11-20 22:45:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:56,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 22:45:56,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 22:45:56,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-20 22:45:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:45:57,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 22:45:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 [2021-11-20 22:45:57,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 22:45:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-20 22:45:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-20 22:45:57,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:45:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:57,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 22:45:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 22:45:58,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 22:45:58,187 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-20 22:45:58,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 22:45:58,233 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-20 22:45:58,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 22:45:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:58,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-20 22:45:58,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 22:45:58,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 22:45:58,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 22:45:58,896 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 22:45:58,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 22:45:58,922 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 22:45:58,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 22:45:58,945 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 22:45:58,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 22:45:59,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:45:59,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 22:45:59,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 22:45:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:45:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:45:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-20 22:45:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 22:45:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 22:45:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:45:59,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-20 22:46:05,800 WARN L227 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:46:05,801 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 22:46:05,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-20 22:46:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:46:16,165 WARN L227 SmtUtils]: Spent 10.32s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 22:46:16,165 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 22:46:16,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-20 22:46:25,861 WARN L227 SmtUtils]: Spent 9.59s 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) [2021-11-20 22:46:25,862 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 22:46:25,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2906 treesize of output 2676 [2021-11-20 22:46:26,999 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-20 22:46:27,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-20 22:46:28,187 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-20 22:46:28,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-20 22:46:29,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:46:30,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:46:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:46:30,532 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 22:46:30,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-20 22:46:30,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:46:31,236 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 22:46:31,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-20 22:46:36,093 INFO L354 Elim1Store]: treesize reduction 13562, result has 36.1 percent of original size [2021-11-20 22:46:36,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 28090 treesize of output 33366 [2021-11-20 22:46:36,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:46:40,258 INFO L354 Elim1Store]: treesize reduction 13426, result has 36.7 percent of original size [2021-11-20 22:46:40,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 34419 treesize of output 39803 [2021-11-20 22:46:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:46:42,551 INFO L354 Elim1Store]: treesize reduction 88, result has 95.2 percent of original size [2021-11-20 22:46:42,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 40856 treesize of output 41792 [2021-11-20 22:46:45,781 INFO L354 Elim1Store]: treesize reduction 96, result has 94.8 percent of original size [2021-11-20 22:46:45,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 41792 treesize of output 42748 [2021-11-20 22:47:12,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:12,694 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-20 22:47:12,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 6336 treesize of output 4484 [2021-11-20 22:47:21,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:21,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:21,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:21,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:21,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:21,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:21,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:21,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2485 treesize of output 371 [2021-11-20 22:47:21,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:21,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:22,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:22,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:22,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:22,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:22,886 INFO L244 Elim1Store]: Index analysis took 246 ms [2021-11-20 22:47:22,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2562 treesize of output 374 [2021-11-20 22:47:23,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:23,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:24,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:24,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:24,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:24,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:24,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:24,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:24,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-20 22:47:25,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,570 INFO L244 Elim1Store]: Index analysis took 203 ms [2021-11-20 22:47:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:47:25,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 4817 treesize of output 2629 [2021-11-20 22:47:25,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:25,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-20 22:47:26,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,541 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-20 22:47:26,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:26,802 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:47:26,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 4809 treesize of output 2839 [2021-11-20 22:47:27,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:27,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:28,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:29,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:29,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,184 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-20 22:47:29,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4800 treesize of output 2618 [2021-11-20 22:47:29,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:29,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:29,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:29,952 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-20 22:47:30,399 INFO L354 Elim1Store]: treesize reduction 4748, result has 27.0 percent of original size [2021-11-20 22:47:30,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 4809 treesize of output 4376 [2021-11-20 22:47:30,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:31,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:32,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:32,479 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-20 22:47:32,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4800 treesize of output 2618 [2021-11-20 22:47:32,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:33,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:34,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:34,279 INFO L244 Elim1Store]: Index analysis took 291 ms [2021-11-20 22:47:34,292 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-20 22:47:34,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-20 22:47:34,875 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:35,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:35,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:36,859 INFO L244 Elim1Store]: Index analysis took 579 ms [2021-11-20 22:47:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:39,496 INFO L354 Elim1Store]: treesize reduction 4859, result has 45.9 percent of original size [2021-11-20 22:47:39,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4838 treesize of output 6757 [2021-11-20 22:47:40,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:40,991 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:41,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:41,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:41,271 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-20 22:47:41,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4830 treesize of output 2624 [2021-11-20 22:47:43,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:43,876 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-20 22:47:43,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 4829 treesize of output 2629 [2021-11-20 22:47:44,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:44,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:45,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:45,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:45,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:45,418 INFO L244 Elim1Store]: Index analysis took 230 ms [2021-11-20 22:47:45,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 4829 treesize of output 2629 [2021-11-20 22:47:46,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:46,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:46,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:46,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:46,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:46,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:47:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:47:47,288 INFO L244 Elim1Store]: Index analysis took 383 ms [2021-11-20 22:47:47,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 4829 treesize of output 2629 [2021-11-20 22:47:48,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 22:47:48,214 WARN L234 Elim1Store]: Array PQE input equivalent to false