./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur --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 ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:30:56,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:30:56,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:30:56,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:30:56,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:30:56,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:30:56,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:30:56,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:30:56,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:30:56,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:30:56,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:30:56,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:30:56,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:30:56,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:30:56,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:30:56,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:30:56,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:30:56,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:30:56,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:30:56,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:30:56,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:30:56,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:30:56,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:30:56,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:30:56,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:30:56,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:30:56,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:30:56,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:30:56,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:30:56,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:30:56,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:30:56,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:30:56,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:30:56,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:30:56,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:30:56,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:30:56,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:30:56,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:30:56,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:30:56,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:30:56,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:30:56,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:30:56,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:30:56,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:30:56,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:30:56,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:30:56,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:30:56,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:30:56,588 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:30:56,588 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:30:56,588 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:30:56,588 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:30:56,589 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:30:56,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:30:56,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:30:56,590 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:30:56,590 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:30:56,591 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:30:56,591 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:30:56,591 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:30:56,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:30:56,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:30:56,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:30:56,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:30:56,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:30:56,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:30:56,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:30:56,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:30:56,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:30:56,595 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:30:56,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:30:56,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:30:56,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:30:56,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:30:56,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:30:56,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:30:56,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:30:56,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:30:56,598 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:30:56,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:30:56,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:30:56,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:30:56,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:30:56,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:30:56,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:30:56,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2022-11-25 23:30:56,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:30:56,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:30:56,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:30:56,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:30:56,944 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:30:56,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-25 23:31:00,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:31:00,334 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:31:00,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-25 23:31:00,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/data/e1f9462ab/685ba33783904f1188cf02b34de63b77/FLAG6c1276935 [2022-11-25 23:31:00,360 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/data/e1f9462ab/685ba33783904f1188cf02b34de63b77 [2022-11-25 23:31:00,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:31:00,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:31:00,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:31:00,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:31:00,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:31:00,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60988f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00, skipping insertion in model container [2022-11-25 23:31:00,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:31:00,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:31:00,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:31:00,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:31:00,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:31:00,775 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:31:00,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00 WrapperNode [2022-11-25 23:31:00,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:31:00,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:31:00,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:31:00,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:31:00,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,842 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-11-25 23:31:00,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:31:00,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:31:00,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:31:00,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:31:00,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,895 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:31:00,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:31:00,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:31:00,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:31:00,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (1/1) ... [2022-11-25 23:31:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:31:00,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:31:00,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:31:00,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:31:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:31:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:31:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:31:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:31:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:31:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:31:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:31:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:31:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:31:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:31:01,165 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:31:01,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:31:01,493 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:31:01,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:31:01,595 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 23:31:01,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:31:01 BoogieIcfgContainer [2022-11-25 23:31:01,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:31:01,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:31:01,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:31:01,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:31:01,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:31:00" (1/3) ... [2022-11-25 23:31:01,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78151998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:31:01, skipping insertion in model container [2022-11-25 23:31:01,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:00" (2/3) ... [2022-11-25 23:31:01,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78151998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:31:01, skipping insertion in model container [2022-11-25 23:31:01,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:31:01" (3/3) ... [2022-11-25 23:31:01,607 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0504_1.i [2022-11-25 23:31:01,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:31:01,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 23:31:01,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:31:01,704 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ec02832, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:31:01,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 23:31:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 28 states have internal predecessors, (34), 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) [2022-11-25 23:31:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:31:01,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:01,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:31:01,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:01,723 INFO L85 PathProgramCache]: Analyzing trace with hash 4455034, now seen corresponding path program 1 times [2022-11-25 23:31:01,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:01,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766894549] [2022-11-25 23:31:01,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:01,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:01,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:01,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766894549] [2022-11-25 23:31:01,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766894549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:01,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:01,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:31:01,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022600068] [2022-11-25 23:31:01,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:01,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:31:01,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:01,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:31:01,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:31:01,985 INFO L87 Difference]: Start difference. First operand has 29 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 28 states have internal predecessors, (34), 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:02,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:02,058 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2022-11-25 23:31:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:31:02,062 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:31:02,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:02,069 INFO L225 Difference]: With dead ends: 57 [2022-11-25 23:31:02,070 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 23:31:02,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:31:02,079 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:02,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:31:02,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 23:31:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 23:31:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 27 states have internal predecessors, (31), 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) [2022-11-25 23:31:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-25 23:31:02,116 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 4 [2022-11-25 23:31:02,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:02,117 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-25 23:31:02,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:02,117 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-25 23:31:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:31:02,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:02,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:31:02,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:31:02,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:02,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:02,120 INFO L85 PathProgramCache]: Analyzing trace with hash 4501901, now seen corresponding path program 1 times [2022-11-25 23:31:02,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:02,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988238801] [2022-11-25 23:31:02,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:02,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:02,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988238801] [2022-11-25 23:31:02,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988238801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:02,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:02,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:31:02,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327887042] [2022-11-25 23:31:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:02,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:31:02,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:02,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:31:02,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:31:02,254 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:02,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:02,407 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-11-25 23:31:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:31:02,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:31:02,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:02,409 INFO L225 Difference]: With dead ends: 41 [2022-11-25 23:31:02,409 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 23:31:02,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:31:02,411 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:02,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 52 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:31:02,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 23:31:02,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-25 23:31:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 31 states have internal predecessors, (35), 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) [2022-11-25 23:31:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-11-25 23:31:02,417 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 4 [2022-11-25 23:31:02,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:02,417 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-11-25 23:31:02,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-25 23:31:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:31:02,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:02,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:31:02,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:31:02,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash 31364772, now seen corresponding path program 1 times [2022-11-25 23:31:02,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:02,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008254529] [2022-11-25 23:31:02,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:02,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:02,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008254529] [2022-11-25 23:31:02,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008254529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:02,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:02,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:02,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861904577] [2022-11-25 23:31:02,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:02,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:31:02,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:02,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:31:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:31:02,571 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-25 23:31:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:02,794 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-11-25 23:31:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:31:02,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-11-25 23:31:02,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:02,796 INFO L225 Difference]: With dead ends: 53 [2022-11-25 23:31:02,797 INFO L226 Difference]: Without dead ends: 52 [2022-11-25 23:31:02,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:31:02,798 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:02,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:31:02,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-25 23:31:02,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 33. [2022-11-25 23:31:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.565217391304348) internal successors, (36), 32 states have internal predecessors, (36), 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) [2022-11-25 23:31:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-25 23:31:02,805 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 6 [2022-11-25 23:31:02,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:02,805 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-25 23:31:02,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-25 23:31:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-25 23:31:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:31:02,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:02,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:02,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:31:02,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:02,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:02,812 INFO L85 PathProgramCache]: Analyzing trace with hash 972307995, now seen corresponding path program 1 times [2022-11-25 23:31:02,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:02,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354659084] [2022-11-25 23:31:02,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:02,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:02,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:02,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354659084] [2022-11-25 23:31:02,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354659084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:02,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:02,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:02,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507711557] [2022-11-25 23:31:02,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:02,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:31:02,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:02,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:31:02,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:31:02,980 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-25 23:31:03,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:03,159 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2022-11-25 23:31:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:31:03,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-11-25 23:31:03,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:03,162 INFO L225 Difference]: With dead ends: 57 [2022-11-25 23:31:03,162 INFO L226 Difference]: Without dead ends: 56 [2022-11-25 23:31:03,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:31:03,163 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:03,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 50 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:31:03,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-25 23:31:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 34. [2022-11-25 23:31:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 33 states have internal predecessors, (37), 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) [2022-11-25 23:31:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-11-25 23:31:03,175 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 7 [2022-11-25 23:31:03,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:03,176 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-11-25 23:31:03,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-25 23:31:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-11-25 23:31:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:31:03,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:03,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:03,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:31:03,180 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:03,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:03,181 INFO L85 PathProgramCache]: Analyzing trace with hash 768193994, now seen corresponding path program 1 times [2022-11-25 23:31:03,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:03,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723121300] [2022-11-25 23:31:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:03,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:03,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:03,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:03,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723121300] [2022-11-25 23:31:03,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723121300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:03,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:03,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:31:03,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273723745] [2022-11-25 23:31:03,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:03,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:31:03,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:03,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:31:03,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:31:03,284 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-25 23:31:03,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:03,372 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-25 23:31:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:31:03,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-25 23:31:03,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:03,374 INFO L225 Difference]: With dead ends: 41 [2022-11-25 23:31:03,374 INFO L226 Difference]: Without dead ends: 39 [2022-11-25 23:31:03,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:31:03,375 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:03,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 44 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:31:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-25 23:31:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-11-25 23:31:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 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) [2022-11-25 23:31:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-11-25 23:31:03,381 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 10 [2022-11-25 23:31:03,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:03,382 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-11-25 23:31:03,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-25 23:31:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-25 23:31:03,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:31:03,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:03,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:03,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:31:03,383 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:03,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:03,384 INFO L85 PathProgramCache]: Analyzing trace with hash -499941843, now seen corresponding path program 1 times [2022-11-25 23:31:03,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:03,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414587276] [2022-11-25 23:31:03,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:03,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:03,413 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:31:03,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309722424] [2022-11-25 23:31:03,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:03,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:31:03,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:31:03,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:31:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:31:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:03,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:31:03,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:31:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:03,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:31:03,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:03,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414587276] [2022-11-25 23:31:03,754 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:31:03,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309722424] [2022-11-25 23:31:03,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309722424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:03,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:03,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:31:03,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760796162] [2022-11-25 23:31:03,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:03,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:31:03,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:03,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:31:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:31:03,760 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-11-25 23:31:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:04,013 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-25 23:31:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:31:04,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-11-25 23:31:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:04,015 INFO L225 Difference]: With dead ends: 44 [2022-11-25 23:31:04,015 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 23:31:04,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:31:04,016 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:04,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 31 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:31:04,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 23:31:04,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-11-25 23:31:04,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 33 states have internal predecessors, (38), 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) [2022-11-25 23:31:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-11-25 23:31:04,021 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 12 [2022-11-25 23:31:04,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:04,021 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-25 23:31:04,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-11-25 23:31:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-25 23:31:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:31:04,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:04,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:04,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:31:04,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:31:04,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:04,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1681672145, now seen corresponding path program 1 times [2022-11-25 23:31:04,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:04,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244362203] [2022-11-25 23:31:04,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:04,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:04,262 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:31:04,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524706436] [2022-11-25 23:31:04,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:04,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:31:04,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:31:04,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:31:04,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:31:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:04,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 23:31:04,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:31:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:04,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:31:04,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:04,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244362203] [2022-11-25 23:31:04,527 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:31:04,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524706436] [2022-11-25 23:31:04,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524706436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:04,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:04,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:31:04,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033315634] [2022-11-25 23:31:04,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:04,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:31:04,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:04,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:31:04,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:31:04,530 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-25 23:31:04,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:04,797 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2022-11-25 23:31:04,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:31:04,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2022-11-25 23:31:04,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:04,799 INFO L225 Difference]: With dead ends: 58 [2022-11-25 23:31:04,799 INFO L226 Difference]: Without dead ends: 57 [2022-11-25 23:31:04,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:31:04,800 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:04,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 57 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:31:04,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-25 23:31:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 40. [2022-11-25 23:31:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 39 states have internal predecessors, (45), 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) [2022-11-25 23:31:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-25 23:31:04,807 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 13 [2022-11-25 23:31:04,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:04,807 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-25 23:31:04,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-25 23:31:04,808 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-25 23:31:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:31:04,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:04,808 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:04,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:31:05,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 23:31:05,020 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:05,020 INFO L85 PathProgramCache]: Analyzing trace with hash 607081005, now seen corresponding path program 1 times [2022-11-25 23:31:05,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:05,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536819551] [2022-11-25 23:31:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:31:05,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:05,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536819551] [2022-11-25 23:31:05,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536819551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:05,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:05,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:31:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615447967] [2022-11-25 23:31:05,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:05,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:05,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:05,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:05,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:05,079 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-25 23:31:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:05,129 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-25 23:31:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:05,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 14 [2022-11-25 23:31:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:05,130 INFO L225 Difference]: With dead ends: 40 [2022-11-25 23:31:05,130 INFO L226 Difference]: Without dead ends: 39 [2022-11-25 23:31:05,130 INFO L412 NwaCegarLoop]: 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 [2022-11-25 23:31:05,131 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:05,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:31:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-25 23:31:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-25 23:31:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 38 states have internal predecessors, (44), 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) [2022-11-25 23:31:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-25 23:31:05,136 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2022-11-25 23:31:05,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:05,137 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-25 23:31:05,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-25 23:31:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-25 23:31:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:31:05,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:05,137 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:05,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:31:05,138 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:05,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:05,138 INFO L85 PathProgramCache]: Analyzing trace with hash 607080847, now seen corresponding path program 1 times [2022-11-25 23:31:05,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:05,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521936963] [2022-11-25 23:31:05,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:05,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:05,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:05,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521936963] [2022-11-25 23:31:05,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521936963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:05,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:05,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:05,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98697417] [2022-11-25 23:31:05,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:05,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:31:05,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:05,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:31:05,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:31:05,213 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-25 23:31:05,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:05,292 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2022-11-25 23:31:05,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:31:05,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-11-25 23:31:05,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:05,293 INFO L225 Difference]: With dead ends: 43 [2022-11-25 23:31:05,293 INFO L226 Difference]: Without dead ends: 42 [2022-11-25 23:31:05,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:31:05,294 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:05,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:31:05,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-25 23:31:05,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2022-11-25 23:31:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 37 states have internal predecessors, (43), 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) [2022-11-25 23:31:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-25 23:31:05,299 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2022-11-25 23:31:05,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:05,300 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-25 23:31:05,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-25 23:31:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-25 23:31:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:31:05,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:05,301 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:05,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:31:05,301 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:05,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:05,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1639642090, now seen corresponding path program 1 times [2022-11-25 23:31:05,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:05,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008456938] [2022-11-25 23:31:05,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:05,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:05,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:05,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008456938] [2022-11-25 23:31:05,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008456938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:05,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:05,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:05,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639354573] [2022-11-25 23:31:05,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:05,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:31:05,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:05,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:31:05,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:31:05,413 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-25 23:31:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:05,479 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-25 23:31:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:31:05,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2022-11-25 23:31:05,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:05,480 INFO L225 Difference]: With dead ends: 38 [2022-11-25 23:31:05,480 INFO L226 Difference]: Without dead ends: 33 [2022-11-25 23:31:05,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:31:05,481 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:05,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:31:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-25 23:31:05,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-25 23:31:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.2) internal successors, (36), 32 states have internal predecessors, (36), 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) [2022-11-25 23:31:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-25 23:31:05,486 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2022-11-25 23:31:05,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:05,486 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-25 23:31:05,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-25 23:31:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-25 23:31:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:31:05,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:05,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:05,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:31:05,487 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:31:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:05,488 INFO L85 PathProgramCache]: Analyzing trace with hash -710746781, now seen corresponding path program 1 times [2022-11-25 23:31:05,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:05,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658291521] [2022-11-25 23:31:05,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:05,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:05,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:05,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658291521] [2022-11-25 23:31:05,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658291521] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:31:05,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044878348] [2022-11-25 23:31:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:05,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:31:05,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:31:05,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:31:05,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:31:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:05,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:31:05,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:31:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:05,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:31:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:31:05,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044878348] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:31:05,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2046932839] [2022-11-25 23:31:05,905 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-25 23:31:05,905 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:31:05,908 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:31:05,914 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:31:05,915 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:31:06,086 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:31:06,087 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:31:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,163 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:31:06,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-25 23:31:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:31:06,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:31:06,243 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:31:06,244 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:31:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:31:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:31:06,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:31:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,941 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-11-25 23:31:06,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 290 treesize of output 282 [2022-11-25 23:31:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:06,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:08,266 INFO L321 Elim1Store]: treesize reduction 508, result has 25.6 percent of original size [2022-11-25 23:31:08,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 291 treesize of output 451 [2022-11-25 23:31:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:08,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:08,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:09,034 INFO L321 Elim1Store]: treesize reduction 508, result has 25.6 percent of original size [2022-11-25 23:31:09,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 269 treesize of output 429 [2022-11-25 23:31:09,272 INFO L321 Elim1Store]: treesize reduction 70, result has 34.0 percent of original size [2022-11-25 23:31:09,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 232 treesize of output 255 [2022-11-25 23:31:09,397 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-11-25 23:31:09,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 257 treesize of output 249 [2022-11-25 23:31:09,491 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:31:09,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 233 [2022-11-25 23:31:09,594 INFO L321 Elim1Store]: treesize reduction 53, result has 26.4 percent of original size [2022-11-25 23:31:09,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 251 treesize of output 247 [2022-11-25 23:31:09,673 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-11-25 23:31:09,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 247 [2022-11-25 23:32:16,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,508 INFO L321 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2022-11-25 23:32:16,509 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 271 treesize of output 268 [2022-11-25 23:32:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,568 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:32:16,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 309 treesize of output 314 [2022-11-25 23:32:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:16,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:16,613 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:32:16,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 309 treesize of output 314 [2022-11-25 23:32:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 87 [2022-11-25 23:32:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 87 [2022-11-25 23:32:17,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2022-11-25 23:32:17,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:17,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-25 23:32:17,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:17,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:17,452 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-25 23:32:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:17,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:17,652 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:32:17,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2022-11-25 23:32:17,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 30 [2022-11-25 23:32:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:17,784 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:32:17,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 66 [2022-11-25 23:32:17,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-25 23:32:17,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:17,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:18,030 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-25 23:32:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:18,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:18,232 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:32:18,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 56 [2022-11-25 23:32:18,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 24 [2022-11-25 23:32:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:18,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:18,354 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:32:18,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2022-11-25 23:32:18,441 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:32:19,529 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1229#(and (<= |ULTIMATE.start_main_~last~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 16 |ULTIMATE.start_main_~x~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~first~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 16 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 20 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (<= |ULTIMATE.start_main_~c1~0#1| 2147483647) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= |#NULL.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= |ULTIMATE.start_main_~c2~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (< 2147483647 (* |ULTIMATE.start_main_~c1~0#1| 2)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~first~0#1.offset| 0) (= |#NULL.base| 0))' at error location [2022-11-25 23:32:19,529 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:32:19,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:32:19,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-11-25 23:32:19,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999883290] [2022-11-25 23:32:19,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:32:19,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 23:32:19,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:19,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 23:32:19,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2022-11-25 23:32:19,533 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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) [2022-11-25 23:32:19,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:19,792 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2022-11-25 23:32:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 23:32:19,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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 16 [2022-11-25 23:32:19,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:19,793 INFO L225 Difference]: With dead ends: 87 [2022-11-25 23:32:19,793 INFO L226 Difference]: Without dead ends: 86 [2022-11-25 23:32:19,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-11-25 23:32:19,794 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 115 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:19,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 31 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:32:19,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-25 23:32:19,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2022-11-25 23:32:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 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) [2022-11-25 23:32:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2022-11-25 23:32:19,801 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 16 [2022-11-25 23:32:19,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:19,802 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2022-11-25 23:32:19,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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) [2022-11-25 23:32:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-11-25 23:32:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:32:19,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:19,802 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:19,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 23:32:20,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 23:32:20,012 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:32:20,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:20,013 INFO L85 PathProgramCache]: Analyzing trace with hash -628276609, now seen corresponding path program 1 times [2022-11-25 23:32:20,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:20,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374929964] [2022-11-25 23:32:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:20,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:20,040 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:32:20,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346907965] [2022-11-25 23:32:20,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:20,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:20,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:32:20,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:32:20,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:32:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:20,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:32:20,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:32:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:20,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:32:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:20,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:20,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374929964] [2022-11-25 23:32:20,297 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:32:20,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346907965] [2022-11-25 23:32:20,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346907965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:32:20,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1762288770] [2022-11-25 23:32:20,299 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-25 23:32:20,299 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:32:20,300 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:32:20,300 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:32:20,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:32:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,442 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:32:20,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-25 23:32:20,474 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:32:20,475 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:32:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:20,524 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:32:20,525 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:32:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:20,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:32:20,741 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 23:32:20,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 23:32:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,879 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-11-25 23:32:20,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 198 [2022-11-25 23:32:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:20,932 INFO L321 Elim1Store]: treesize reduction 46, result has 16.4 percent of original size [2022-11-25 23:32:20,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 94 [2022-11-25 23:32:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:20,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-11-25 23:32:20,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 44 [2022-11-25 23:32:20,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 23:32:21,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:21,071 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:32:21,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 291 treesize of output 182 [2022-11-25 23:32:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:21,123 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:32:21,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 258 treesize of output 160 [2022-11-25 23:32:21,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 79 [2022-11-25 23:32:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 79 [2022-11-25 23:32:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 50 [2022-11-25 23:32:21,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:21,623 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-25 23:32:21,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 558 treesize of output 541 [2022-11-25 23:32:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:21,913 INFO L321 Elim1Store]: treesize reduction 262, result has 12.4 percent of original size [2022-11-25 23:32:21,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 582 treesize of output 541 [2022-11-25 23:32:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:21,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:22,180 INFO L321 Elim1Store]: treesize reduction 393, result has 15.8 percent of original size [2022-11-25 23:32:22,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 753 treesize of output 596 [2022-11-25 23:32:22,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:22,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:22,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:22,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:22,375 INFO L321 Elim1Store]: treesize reduction 392, result has 13.8 percent of original size [2022-11-25 23:32:22,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 577 treesize of output 492 [2022-11-25 23:32:22,514 INFO L321 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2022-11-25 23:32:22,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 468 treesize of output 484 [2022-11-25 23:32:22,571 INFO L321 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2022-11-25 23:32:22,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 463 treesize of output 468 [2022-11-25 23:32:22,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:22,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:22,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:22,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:22,616 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:32:22,617 INFO L350 Elim1Store]: Elim1 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 5 case distinctions, treesize of input 476 treesize of output 455 [2022-11-25 23:32:23,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,172 INFO L321 Elim1Store]: treesize reduction 193, result has 6.3 percent of original size [2022-11-25 23:32:23,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 540 treesize of output 480 [2022-11-25 23:32:23,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,273 INFO L321 Elim1Store]: treesize reduction 82, result has 25.5 percent of original size [2022-11-25 23:32:23,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 508 treesize of output 480 [2022-11-25 23:32:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,418 INFO L321 Elim1Store]: treesize reduction 212, result has 15.9 percent of original size [2022-11-25 23:32:23,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 536 treesize of output 492 [2022-11-25 23:32:23,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:23,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,516 INFO L321 Elim1Store]: treesize reduction 267, result has 5.3 percent of original size [2022-11-25 23:32:23,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 636 treesize of output 580 [2022-11-25 23:32:23,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:23,608 INFO L321 Elim1Store]: treesize reduction 318, result has 11.7 percent of original size [2022-11-25 23:32:23,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 604 treesize of output 580 [2022-11-25 23:32:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:24,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:24,158 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:24,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:32:24,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:24,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:24,249 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:32:24,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:32:24,296 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-25 23:32:24,296 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-25 23:32:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:24,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-25 23:32:24,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:24,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:24,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:24,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:24,579 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-11-25 23:32:24,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 220 treesize of output 198 [2022-11-25 23:32:24,652 INFO L321 Elim1Store]: treesize reduction 133, result has 12.5 percent of original size [2022-11-25 23:32:24,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 215 treesize of output 181 [2022-11-25 23:32:24,755 INFO L321 Elim1Store]: treesize reduction 131, result has 33.8 percent of original size [2022-11-25 23:32:24,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 218 treesize of output 225 [2022-11-25 23:32:26,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:26,294 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:32:26,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:32:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,415 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-25 23:32:26,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-25 23:32:26,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:26,497 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:26,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-25 23:32:26,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:26,691 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:32:26,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-25 23:32:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,758 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:32:26,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 174 [2022-11-25 23:32:26,867 INFO L321 Elim1Store]: treesize reduction 124, result has 37.4 percent of original size [2022-11-25 23:32:26,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 233 [2022-11-25 23:32:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:26,955 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:32:26,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 221 treesize of output 184 [2022-11-25 23:32:28,277 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:32:29,337 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1543#(and (= |ULTIMATE.start_main_~last~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~c2~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1.base|) (<= 0 |ULTIMATE.start_main_~first~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (<= |ULTIMATE.start_main_~first~0#1.base| 0) (<= |ULTIMATE.start_main_~y~0#1.base| 0) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (<= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= |ULTIMATE.start_main_~c1~0#1| 1) (<= 1 |ULTIMATE.start_main_~c1~0#1|) (= |ULTIMATE.start_main_~last~0#1.base| 0) (<= 0 |ULTIMATE.start_main_~first~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post9#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~first~0#1.offset| 0) (= |#NULL.base| 0))' at error location [2022-11-25 23:32:29,337 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:32:29,338 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:32:29,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-25 23:32:29,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116160265] [2022-11-25 23:32:29,338 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:32:29,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:32:29,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:32:29,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-11-25 23:32:29,340 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2022-11-25 23:32:29,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:29,521 INFO L93 Difference]: Finished difference Result 170 states and 215 transitions. [2022-11-25 23:32:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 23:32:29,521 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 17 [2022-11-25 23:32:29,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:29,524 INFO L225 Difference]: With dead ends: 170 [2022-11-25 23:32:29,524 INFO L226 Difference]: Without dead ends: 169 [2022-11-25 23:32:29,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:32:29,525 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 25 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:29,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 26 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:32:29,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-25 23:32:29,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 150. [2022-11-25 23:32:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.272108843537415) internal successors, (187), 149 states have internal predecessors, (187), 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) [2022-11-25 23:32:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 187 transitions. [2022-11-25 23:32:29,540 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 187 transitions. Word has length 17 [2022-11-25 23:32:29,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:29,541 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 187 transitions. [2022-11-25 23:32:29,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2022-11-25 23:32:29,541 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2022-11-25 23:32:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:32:29,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:29,542 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:29,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:32:29,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:29,748 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:32:29,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1816637703, now seen corresponding path program 1 times [2022-11-25 23:32:29,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:29,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906408322] [2022-11-25 23:32:29,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:29,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:29,777 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:32:29,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963426808] [2022-11-25 23:32:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:29,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:29,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:32:29,779 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:32:29,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:32:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:30,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:32:30,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:32:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:30,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:32:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:30,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:30,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906408322] [2022-11-25 23:32:30,512 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:32:30,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963426808] [2022-11-25 23:32:30,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963426808] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:32:30,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2090122307] [2022-11-25 23:32:30,519 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-25 23:32:30,519 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:32:30,519 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:32:30,520 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:32:30,520 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:32:30,612 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:32:30,612 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:32:30,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-25 23:32:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2022-11-25 23:32:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:30,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:32:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:30,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,014 INFO L321 Elim1Store]: treesize reduction 201, result has 18.0 percent of original size [2022-11-25 23:32:31,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 284 treesize of output 198 [2022-11-25 23:32:31,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,086 INFO L321 Elim1Store]: treesize reduction 81, result has 17.3 percent of original size [2022-11-25 23:32:31,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 176 treesize of output 94 [2022-11-25 23:32:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,151 INFO L321 Elim1Store]: treesize reduction 40, result has 45.2 percent of original size [2022-11-25 23:32:31,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 67 [2022-11-25 23:32:31,214 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 23:32:31,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 23:32:31,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 23:32:31,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,312 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:32:31,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 320 treesize of output 191 [2022-11-25 23:32:31,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,362 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:32:31,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 258 treesize of output 160 [2022-11-25 23:32:31,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 75 [2022-11-25 23:32:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2022-11-25 23:32:31,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2022-11-25 23:32:31,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:31,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:31,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,065 INFO L321 Elim1Store]: treesize reduction 379, result has 15.2 percent of original size [2022-11-25 23:32:32,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 768 treesize of output 614 [2022-11-25 23:32:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:32,186 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:32:32,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 514 treesize of output 497 [2022-11-25 23:32:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:32,346 INFO L321 Elim1Store]: treesize reduction 230, result has 13.2 percent of original size [2022-11-25 23:32:32,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 538 treesize of output 497 [2022-11-25 23:32:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:32,404 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:32:32,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 518 treesize of output 497 [2022-11-25 23:32:32,598 INFO L321 Elim1Store]: treesize reduction 160, result has 20.4 percent of original size [2022-11-25 23:32:32,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 510 treesize of output 530 [2022-11-25 23:32:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:32,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:32,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:32,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:32,722 INFO L321 Elim1Store]: treesize reduction 264, result has 15.7 percent of original size [2022-11-25 23:32:32,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 604 treesize of output 519 [2022-11-25 23:32:32,783 INFO L321 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2022-11-25 23:32:32,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 503 treesize of output 508 [2022-11-25 23:32:33,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,223 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-25 23:32:33,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 823 treesize of output 585 [2022-11-25 23:32:33,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,296 INFO L321 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2022-11-25 23:32:33,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 544 treesize of output 492 [2022-11-25 23:32:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,411 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-11-25 23:32:33,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 734 treesize of output 549 [2022-11-25 23:32:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,463 INFO L321 Elim1Store]: treesize reduction 110, result has 0.9 percent of original size [2022-11-25 23:32:33,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 583 treesize of output 535 [2022-11-25 23:32:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:33,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:33,523 INFO L321 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2022-11-25 23:32:33,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 555 treesize of output 535 [2022-11-25 23:32:33,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,000 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:34,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:32:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,090 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:32:34,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:32:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,158 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-25 23:32:34,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-25 23:32:34,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:34,296 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:32:34,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-25 23:32:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,365 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:32:34,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 174 [2022-11-25 23:32:34,465 INFO L321 Elim1Store]: treesize reduction 124, result has 37.4 percent of original size [2022-11-25 23:32:34,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 233 [2022-11-25 23:32:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:34,547 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:32:34,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 221 treesize of output 184 [2022-11-25 23:32:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:35,177 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:35,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:32:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:35,261 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:32:35,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:32:35,308 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-25 23:32:35,308 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-25 23:32:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:35,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-25 23:32:35,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:35,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:35,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:35,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:35,539 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-11-25 23:32:35,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 223 treesize of output 197 [2022-11-25 23:32:35,611 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-25 23:32:35,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 222 treesize of output 185 [2022-11-25 23:32:35,710 INFO L321 Elim1Store]: treesize reduction 111, result has 37.6 percent of original size [2022-11-25 23:32:35,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 225 treesize of output 229 [2022-11-25 23:32:36,788 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:32:37,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2090122307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:32:37,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:32:37,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 21 [2022-11-25 23:32:37,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137606682] [2022-11-25 23:32:37,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:32:37,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 23:32:37,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:37,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 23:32:37,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2022-11-25 23:32:37,705 INFO L87 Difference]: Start difference. First operand 150 states and 187 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-25 23:32:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:38,472 INFO L93 Difference]: Finished difference Result 153 states and 188 transitions. [2022-11-25 23:32:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 23:32:38,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 19 [2022-11-25 23:32:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:38,473 INFO L225 Difference]: With dead ends: 153 [2022-11-25 23:32:38,473 INFO L226 Difference]: Without dead ends: 152 [2022-11-25 23:32:38,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2022-11-25 23:32:38,475 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:38,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:32:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-25 23:32:38,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2022-11-25 23:32:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.251700680272109) internal successors, (184), 149 states have internal predecessors, (184), 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) [2022-11-25 23:32:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 184 transitions. [2022-11-25 23:32:38,491 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 184 transitions. Word has length 19 [2022-11-25 23:32:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:38,492 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 184 transitions. [2022-11-25 23:32:38,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-25 23:32:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2022-11-25 23:32:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:32:38,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:38,493 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:38,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:32:38,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:38,700 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:32:38,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:38,700 INFO L85 PathProgramCache]: Analyzing trace with hash -453488359, now seen corresponding path program 1 times [2022-11-25 23:32:38,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:38,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436212651] [2022-11-25 23:32:38,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:38,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:38,748 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:32:38,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [203175503] [2022-11-25 23:32:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:38,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:38,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:32:38,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:32:38,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:32:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:38,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:32:38,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:32:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:39,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:32:39,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:39,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436212651] [2022-11-25 23:32:39,011 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:32:39,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203175503] [2022-11-25 23:32:39,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203175503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:32:39,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:32:39,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:32:39,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940210470] [2022-11-25 23:32:39,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:32:39,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:32:39,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:39,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:32:39,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:32:39,012 INFO L87 Difference]: Start difference. First operand 150 states and 184 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 23:32:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:39,154 INFO L93 Difference]: Finished difference Result 175 states and 208 transitions. [2022-11-25 23:32:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:32:39,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2022-11-25 23:32:39,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:39,155 INFO L225 Difference]: With dead ends: 175 [2022-11-25 23:32:39,155 INFO L226 Difference]: Without dead ends: 174 [2022-11-25 23:32:39,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:32:39,156 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:39,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 19 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:32:39,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-25 23:32:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 150. [2022-11-25 23:32:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.2312925170068028) internal successors, (181), 149 states have internal predecessors, (181), 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) [2022-11-25 23:32:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 181 transitions. [2022-11-25 23:32:39,168 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 181 transitions. Word has length 22 [2022-11-25 23:32:39,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:39,169 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 181 transitions. [2022-11-25 23:32:39,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 23:32:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2022-11-25 23:32:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:32:39,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:39,170 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-25 23:32:39,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:32:39,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 23:32:39,379 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:32:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1759093839, now seen corresponding path program 1 times [2022-11-25 23:32:39,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:39,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451225875] [2022-11-25 23:32:39,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:39,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:39,413 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:32:39,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371713437] [2022-11-25 23:32:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:39,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:39,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:32:39,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:32:39,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:32:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:39,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 23:32:39,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:32:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:39,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:32:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:32:42,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451225875] [2022-11-25 23:32:42,560 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:32:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371713437] [2022-11-25 23:32:42,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371713437] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:32:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [870761934] [2022-11-25 23:32:42,563 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-11-25 23:32:42,563 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:32:42,564 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:32:42,564 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:32:42,564 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:32:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,639 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:32:42,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-25 23:32:42,670 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:32:42,670 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:32:42,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:42,726 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:32:42,727 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:32:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:42,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:42,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 23:32:42,928 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-25 23:32:42,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 42 [2022-11-25 23:32:42,987 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 23:32:42,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 23:32:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,106 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-11-25 23:32:43,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 198 [2022-11-25 23:32:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,151 INFO L321 Elim1Store]: treesize reduction 54, result has 14.3 percent of original size [2022-11-25 23:32:43,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 106 [2022-11-25 23:32:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 59 [2022-11-25 23:32:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,242 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:32:43,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 328 treesize of output 199 [2022-11-25 23:32:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,292 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:32:43,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 262 treesize of output 164 [2022-11-25 23:32:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,323 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-11-25 23:32:43,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 78 [2022-11-25 23:32:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,350 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-11-25 23:32:43,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 78 [2022-11-25 23:32:43,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2022-11-25 23:32:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:43,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:43,994 INFO L321 Elim1Store]: treesize reduction 379, result has 15.2 percent of original size [2022-11-25 23:32:43,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 768 treesize of output 614 [2022-11-25 23:32:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:44,111 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-25 23:32:44,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 514 treesize of output 497 [2022-11-25 23:32:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:44,257 INFO L321 Elim1Store]: treesize reduction 230, result has 13.2 percent of original size [2022-11-25 23:32:44,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 538 treesize of output 497 [2022-11-25 23:32:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:44,312 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:32:44,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 518 treesize of output 497 [2022-11-25 23:32:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:44,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:44,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:44,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:44,469 INFO L321 Elim1Store]: treesize reduction 400, result has 14.3 percent of original size [2022-11-25 23:32:44,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 604 treesize of output 519 [2022-11-25 23:32:44,587 INFO L321 Elim1Store]: treesize reduction 160, result has 20.4 percent of original size [2022-11-25 23:32:44,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 508 treesize of output 528 [2022-11-25 23:32:44,641 INFO L321 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2022-11-25 23:32:44,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 503 treesize of output 508 [2022-11-25 23:32:45,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,288 INFO L321 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2022-11-25 23:32:45,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1037 treesize of output 933 [2022-11-25 23:32:45,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,489 INFO L321 Elim1Store]: treesize reduction 502, result has 11.2 percent of original size [2022-11-25 23:32:45,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 36 case distinctions, treesize of input 1391 treesize of output 1076 [2022-11-25 23:32:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,623 INFO L321 Elim1Store]: treesize reduction 232, result has 12.8 percent of original size [2022-11-25 23:32:45,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 1320 treesize of output 1039 [2022-11-25 23:32:45,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,769 INFO L321 Elim1Store]: treesize reduction 504, result has 10.2 percent of original size [2022-11-25 23:32:45,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 24 case distinctions, treesize of input 1276 treesize of output 1062 [2022-11-25 23:32:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:45,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:45,842 INFO L321 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2022-11-25 23:32:45,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1068 treesize of output 986 [2022-11-25 23:32:46,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:46,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:46,500 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:32:46,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:32:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:46,586 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-25 23:32:46,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-25 23:32:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:46,651 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:46,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-25 23:32:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:46,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:46,769 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:32:46,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-25 23:32:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:46,855 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:32:46,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 174 [2022-11-25 23:32:46,950 INFO L321 Elim1Store]: treesize reduction 128, result has 35.4 percent of original size [2022-11-25 23:32:46,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 229 [2022-11-25 23:32:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:47,037 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:32:47,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 209 treesize of output 176 [2022-11-25 23:32:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:47,888 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:47,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:32:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:47,984 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:32:47,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:32:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:48,046 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-25 23:32:48,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-25 23:32:48,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:48,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:48,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:48,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:48,272 INFO L321 Elim1Store]: treesize reduction 172, result has 28.9 percent of original size [2022-11-25 23:32:48,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 211 treesize of output 203 [2022-11-25 23:32:48,330 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-25 23:32:48,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 236 treesize of output 179 [2022-11-25 23:32:48,435 INFO L321 Elim1Store]: treesize reduction 108, result has 39.3 percent of original size [2022-11-25 23:32:48,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 243 treesize of output 226 [2022-11-25 23:32:49,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:49,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:49,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:49,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:32:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-25 23:32:50,034 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-25 23:32:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-25 23:32:50,132 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:32:50,133 INFO L350 Elim1Store]: Elim1 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 21 [2022-11-25 23:32:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,206 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-11-25 23:32:50,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 198 [2022-11-25 23:32:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:50,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:50,246 INFO L321 Elim1Store]: treesize reduction 50, result has 20.6 percent of original size [2022-11-25 23:32:50,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 110 [2022-11-25 23:32:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 39 [2022-11-25 23:32:50,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-25 23:32:50,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 24 [2022-11-25 23:32:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:50,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,384 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:32:50,384 INFO L350 Elim1Store]: Elim1 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 7 new quantified variables, introduced 5 case distinctions, treesize of input 105 treesize of output 94 [2022-11-25 23:32:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,415 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-11-25 23:32:50,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 91 [2022-11-25 23:32:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,449 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-11-25 23:32:50,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 91 [2022-11-25 23:32:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:50,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:50,966 INFO L321 Elim1Store]: treesize reduction 373, result has 16.6 percent of original size [2022-11-25 23:32:50,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 646 treesize of output 506 [2022-11-25 23:32:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,019 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:32:51,019 INFO L350 Elim1Store]: Elim1 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 392 treesize of output 377 [2022-11-25 23:32:51,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,098 INFO L321 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2022-11-25 23:32:51,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 416 treesize of output 377 [2022-11-25 23:32:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,132 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:32:51,133 INFO L350 Elim1Store]: Elim1 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 396 treesize of output 377 [2022-11-25 23:32:51,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,269 INFO L321 Elim1Store]: treesize reduction 400, result has 14.3 percent of original size [2022-11-25 23:32:51,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 499 treesize of output 410 [2022-11-25 23:32:51,321 INFO L321 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2022-11-25 23:32:51,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 381 treesize of output 384 [2022-11-25 23:32:51,369 INFO L321 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-11-25 23:32:51,370 INFO L350 Elim1Store]: Elim1 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 386 treesize of output 387 [2022-11-25 23:32:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,666 INFO L321 Elim1Store]: treesize reduction 62, result has 25.3 percent of original size [2022-11-25 23:32:51,666 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 374 treesize of output 348 [2022-11-25 23:32:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,816 INFO L321 Elim1Store]: treesize reduction 193, result has 6.3 percent of original size [2022-11-25 23:32:51,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 406 treesize of output 358 [2022-11-25 23:32:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:51,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:51,980 INFO L321 Elim1Store]: treesize reduction 212, result has 15.9 percent of original size [2022-11-25 23:32:51,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 402 treesize of output 370 [2022-11-25 23:32:52,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:52,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:52,106 INFO L321 Elim1Store]: treesize reduction 267, result has 5.3 percent of original size [2022-11-25 23:32:52,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 482 treesize of output 426 [2022-11-25 23:32:52,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:52,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:52,217 INFO L321 Elim1Store]: treesize reduction 318, result has 11.7 percent of original size [2022-11-25 23:32:52,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 450 treesize of output 426 [2022-11-25 23:32:52,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,618 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:32:52,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:32:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,703 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-25 23:32:52,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-25 23:32:52,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,767 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:52,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-25 23:32:52,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:52,977 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-11-25 23:32:52,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 223 treesize of output 197 [2022-11-25 23:32:53,075 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-25 23:32:53,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 222 treesize of output 185 [2022-11-25 23:32:53,199 INFO L321 Elim1Store]: treesize reduction 111, result has 37.6 percent of original size [2022-11-25 23:32:53,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 225 treesize of output 229 [2022-11-25 23:32:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,245 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:54,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:32:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,335 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:32:54,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:32:54,372 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-25 23:32:54,372 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-25 23:32:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-25 23:32:54,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:54,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:32:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,554 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:32:54,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 166 [2022-11-25 23:32:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:54,733 INFO L321 Elim1Store]: treesize reduction 130, result has 32.3 percent of original size [2022-11-25 23:32:54,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 203 [2022-11-25 23:32:54,863 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-25 23:32:54,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 254 treesize of output 189 [2022-11-25 23:32:54,995 INFO L321 Elim1Store]: treesize reduction 108, result has 39.3 percent of original size [2022-11-25 23:32:54,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 261 treesize of output 236 [2022-11-25 23:32:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,340 INFO L350 Elim1Store]: Elim1 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 39 treesize of output 9 [2022-11-25 23:32:58,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,349 INFO L350 Elim1Store]: Elim1 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 33 treesize of output 19 [2022-11-25 23:32:58,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,360 INFO L350 Elim1Store]: Elim1 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 33 treesize of output 19 [2022-11-25 23:32:58,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:32:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,544 INFO L321 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-25 23:32:58,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 160 [2022-11-25 23:32:58,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,585 INFO L321 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-11-25 23:32:58,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 147 [2022-11-25 23:32:58,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-25 23:32:58,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:58,859 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-25 23:32:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,887 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:32:58,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 269 treesize of output 259 [2022-11-25 23:32:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:58,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:58,922 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-25 23:32:58,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 269 treesize of output 264 [2022-11-25 23:32:59,142 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:32:59,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-25 23:32:59,166 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:32:59,167 INFO L350 Elim1Store]: Elim1 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 21 [2022-11-25 23:32:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,249 INFO L321 Elim1Store]: treesize reduction 70, result has 11.4 percent of original size [2022-11-25 23:32:59,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 11 case distinctions, treesize of input 468 treesize of output 363 [2022-11-25 23:32:59,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,350 INFO L321 Elim1Store]: treesize reduction 187, result has 19.0 percent of original size [2022-11-25 23:32:59,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 363 treesize of output 291 [2022-11-25 23:32:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 39 [2022-11-25 23:32:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,493 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:32:59,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 492 treesize of output 372 [2022-11-25 23:32:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,546 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:32:59,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 23 case distinctions, treesize of input 447 treesize of output 350 [2022-11-25 23:32:59,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 30 [2022-11-25 23:32:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,611 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2022-11-25 23:32:59,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 286 treesize of output 272 [2022-11-25 23:32:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:59,655 INFO L321 Elim1Store]: treesize reduction 93, result has 7.0 percent of original size [2022-11-25 23:32:59,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 264 treesize of output 272 [2022-11-25 23:32:59,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:59,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:59,986 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:32:59,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:32:59,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:00,073 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:33:00,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:33:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:00,133 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-25 23:33:00,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-25 23:33:00,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:00,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:33:00,370 INFO L321 Elim1Store]: treesize reduction 137, result has 14.4 percent of original size [2022-11-25 23:33:00,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 227 treesize of output 217 [2022-11-25 23:33:00,694 INFO L321 Elim1Store]: treesize reduction 148, result has 32.1 percent of original size [2022-11-25 23:33:00,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 242 treesize of output 260 [2022-11-25 23:33:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:00,808 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-25 23:33:00,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 239 treesize of output 174 [2022-11-25 23:33:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:00,952 INFO L321 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2022-11-25 23:33:00,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 250 treesize of output 201 [2022-11-25 23:33:01,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:01,806 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:33:01,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:33:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:01,890 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:33:01,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:33:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:01,948 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-25 23:33:01,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-25 23:33:01,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:02,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:33:02,111 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:33:02,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 171 [2022-11-25 23:33:02,244 INFO L321 Elim1Store]: treesize reduction 119, result has 39.9 percent of original size [2022-11-25 23:33:02,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 195 treesize of output 223 [2022-11-25 23:33:02,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:02,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:02,343 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-25 23:33:02,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 207 treesize of output 162 [2022-11-25 23:33:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:02,433 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:33:02,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 218 treesize of output 181 [2022-11-25 23:33:03,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,119 INFO L350 Elim1Store]: Elim1 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 33 treesize of output 19 [2022-11-25 23:33:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,142 INFO L350 Elim1Store]: Elim1 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 63 treesize of output 15 [2022-11-25 23:33:03,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,153 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 25 [2022-11-25 23:33:03,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:03,370 INFO L321 Elim1Store]: treesize reduction 230, result has 32.0 percent of original size [2022-11-25 23:33:03,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 217 [2022-11-25 23:33:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:03,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:03,479 INFO L321 Elim1Store]: treesize reduction 134, result has 34.3 percent of original size [2022-11-25 23:33:03,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 193 treesize of output 215 [2022-11-25 23:33:06,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:06,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-25 23:33:07,084 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:33:07,095 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:33:07,100 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-25 23:33:07,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:07,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:07,384 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:33:07,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:33:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,528 INFO L321 Elim1Store]: treesize reduction 94, result has 47.8 percent of original size [2022-11-25 23:33:07,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 91 [2022-11-25 23:33:07,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:07,601 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:33:07,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 185 [2022-11-25 23:33:07,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:07,739 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-11-25 23:33:07,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 351 treesize of output 320 [2022-11-25 23:33:07,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:07,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:07,905 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:33:07,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 320 treesize of output 255 [2022-11-25 23:33:07,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:08,158 INFO L321 Elim1Store]: treesize reduction 130, result has 32.3 percent of original size [2022-11-25 23:33:08,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 335 treesize of output 292 [2022-11-25 23:33:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:08,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:08,276 INFO L321 Elim1Store]: treesize reduction 133, result has 12.5 percent of original size [2022-11-25 23:33:08,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 347 treesize of output 273 [2022-11-25 23:33:08,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:08,394 INFO L321 Elim1Store]: treesize reduction 132, result has 33.3 percent of original size [2022-11-25 23:33:08,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 354 treesize of output 316 [2022-11-25 23:33:17,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:17,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:17,896 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:33:17,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:33:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:17,992 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-25 23:33:17,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-25 23:33:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:18,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:18,057 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:33:18,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-25 23:33:18,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:18,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:18,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:33:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:18,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:18,289 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:33:18,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 184 treesize of output 175 [2022-11-25 23:33:18,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:18,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:18,446 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:33:18,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 203 treesize of output 178 [2022-11-25 23:33:18,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:18,670 INFO L321 Elim1Store]: treesize reduction 128, result has 35.4 percent of original size [2022-11-25 23:33:18,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 218 treesize of output 233 [2022-11-25 23:33:18,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:18,815 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:33:18,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 213 treesize of output 180 [2022-11-25 23:33:20,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:20,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:20,542 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:33:20,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:33:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:20,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:20,627 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:33:20,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:33:20,665 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-11-25 23:33:20,665 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 47 treesize of output 21 [2022-11-25 23:33:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:20,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-25 23:33:20,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:20,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:20,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:33:20,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:20,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:20,943 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:33:20,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 219 treesize of output 182 [2022-11-25 23:33:20,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:20,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:21,097 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:33:21,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 238 treesize of output 217 [2022-11-25 23:33:21,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:21,207 INFO L321 Elim1Store]: treesize reduction 123, result has 37.9 percent of original size [2022-11-25 23:33:21,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 253 treesize of output 265 [2022-11-25 23:33:21,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:21,317 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:33:21,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 239 treesize of output 194 [2022-11-25 23:33:21,896 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-25 23:33:21,896 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-25 23:33:21,927 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-25 23:33:21,927 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 63 treesize of output 31 [2022-11-25 23:33:21,955 INFO L321 Elim1Store]: treesize reduction 33, result has 48.4 percent of original size [2022-11-25 23:33:21,955 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 57 treesize of output 41 [2022-11-25 23:33:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:22,225 INFO L321 Elim1Store]: treesize reduction 218, result has 32.7 percent of original size [2022-11-25 23:33:22,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 157 treesize of output 233 [2022-11-25 23:33:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:22,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:22,348 INFO L321 Elim1Store]: treesize reduction 134, result has 34.3 percent of original size [2022-11-25 23:33:22,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 235 [2022-11-25 23:33:24,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-25 23:33:24,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:24,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:24,536 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:33:24,548 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-25 23:33:24,554 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:33:24,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:33:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:24,790 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:33:24,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:33:24,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,928 INFO L321 Elim1Store]: treesize reduction 94, result has 47.8 percent of original size [2022-11-25 23:33:24,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 91 [2022-11-25 23:33:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,003 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:33:25,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 255 treesize of output 185 [2022-11-25 23:33:25,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:33:25,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,210 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-11-25 23:33:25,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 399 treesize of output 368 [2022-11-25 23:33:25,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,358 INFO L321 Elim1Store]: treesize reduction 175, result has 21.9 percent of original size [2022-11-25 23:33:25,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 368 treesize of output 315 [2022-11-25 23:33:25,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,529 INFO L321 Elim1Store]: treesize reduction 201, result has 23.3 percent of original size [2022-11-25 23:33:25,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 386 treesize of output 333 [2022-11-25 23:33:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,718 INFO L321 Elim1Store]: treesize reduction 166, result has 19.0 percent of original size [2022-11-25 23:33:25,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 399 treesize of output 322 [2022-11-25 23:33:25,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:25,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:25,869 INFO L321 Elim1Store]: treesize reduction 137, result has 34.1 percent of original size [2022-11-25 23:33:25,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 427 treesize of output 373 [2022-11-25 23:34:20,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:34:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:20,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:20,417 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:34:20,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:34:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:20,505 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-25 23:34:20,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-25 23:34:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:20,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:20,568 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:34:20,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-25 23:34:20,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:34:20,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:20,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:34:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:20,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:21,043 INFO L321 Elim1Store]: treesize reduction 225, result has 24.5 percent of original size [2022-11-25 23:34:21,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 231 treesize of output 222 [2022-11-25 23:34:21,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:21,169 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-11-25 23:34:21,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 260 treesize of output 199 [2022-11-25 23:34:21,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:21,334 INFO L321 Elim1Store]: treesize reduction 112, result has 37.1 percent of original size [2022-11-25 23:34:21,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 267 treesize of output 242 [2022-11-25 23:34:23,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:34:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:23,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:23,695 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:34:23,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:34:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:23,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:23,786 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:34:23,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:34:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:23,849 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-25 23:34:23,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-25 23:34:23,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:34:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:23,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:34:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:23,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:24,093 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-11-25 23:34:24,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 184 treesize of output 163 [2022-11-25 23:34:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:24,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:24,243 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:34:24,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 203 treesize of output 190 [2022-11-25 23:34:24,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:24,483 INFO L321 Elim1Store]: treesize reduction 123, result has 37.9 percent of original size [2022-11-25 23:34:24,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 218 treesize of output 238 [2022-11-25 23:34:24,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:24,614 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:34:24,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 210 treesize of output 177 [2022-11-25 23:34:25,600 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-25 23:34:25,601 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 33 treesize of output 29 [2022-11-25 23:34:25,624 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-25 23:34:25,625 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 33 treesize of output 19 [2022-11-25 23:34:25,659 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-11-25 23:34:25,660 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 63 treesize of output 31 [2022-11-25 23:34:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:25,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:34:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:25,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:25,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:25,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-25 23:34:25,989 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-25 23:34:25,990 INFO L350 Elim1Store]: Elim1 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 127 treesize of output 157 [2022-11-25 23:34:26,123 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:34:26,123 INFO L350 Elim1Store]: Elim1 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 118 treesize of output 131 [2022-11-25 23:34:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 114 [2022-11-25 23:34:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 114 [2022-11-25 23:34:26,214 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-25 23:34:26,214 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 118 [2022-11-25 23:34:26,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 121 [2022-11-25 23:34:26,586 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-25 23:34:26,592 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:34:26,597 INFO L350 Elim1Store]: Elim1 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 [2022-11-25 23:34:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,807 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:34:26,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:34:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,898 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:34:26,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:34:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,964 INFO L321 Elim1Store]: treesize reduction 66, result has 40.5 percent of original size [2022-11-25 23:34:26,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 50 [2022-11-25 23:34:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:26,981 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:34:26,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 53 [2022-11-25 23:34:27,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:34:27,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:34:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:27,120 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-11-25 23:34:27,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 339 treesize of output 308 [2022-11-25 23:34:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:27,226 INFO L321 Elim1Store]: treesize reduction 175, result has 21.9 percent of original size [2022-11-25 23:34:27,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 308 treesize of output 271 [2022-11-25 23:34:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:34:27,325 INFO L321 Elim1Store]: treesize reduction 170, result has 21.7 percent of original size [2022-11-25 23:34:27,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 323 treesize of output 302 [2022-11-25 23:34:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,478 INFO L321 Elim1Store]: treesize reduction 185, result has 29.4 percent of original size [2022-11-25 23:34:27,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 348 treesize of output 323 [2022-11-25 23:34:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:34:27,592 INFO L321 Elim1Store]: treesize reduction 142, result has 31.7 percent of original size [2022-11-25 23:34:27,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 379 treesize of output 320 [2022-11-25 23:35:29,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:35:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:29,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:35:29,475 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:35:29,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 192 [2022-11-25 23:35:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:29,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:35:29,566 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-11-25 23:35:29,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 184 treesize of output 116 [2022-11-25 23:35:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:29,630 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-11-25 23:35:29,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 47 [2022-11-25 23:35:29,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:35:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:29,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:35:29,821 INFO L321 Elim1Store]: treesize reduction 137, result has 14.4 percent of original size [2022-11-25 23:35:29,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 228 treesize of output 210 [2022-11-25 23:35:29,954 INFO L321 Elim1Store]: treesize reduction 148, result has 32.1 percent of original size [2022-11-25 23:35:29,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 243 treesize of output 253 [2022-11-25 23:35:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:30,025 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-25 23:35:30,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 236 treesize of output 179 [2022-11-25 23:35:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:30,110 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-11-25 23:35:30,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 247 treesize of output 198 [2022-11-25 23:35:31,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:35:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:31,203 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-11-25 23:35:31,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 182 [2022-11-25 23:35:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:31,291 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-11-25 23:35:31,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 59 [2022-11-25 23:35:31,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:31,355 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-11-25 23:35:31,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 226 treesize of output 160 [2022-11-25 23:35:31,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:35:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:35:31,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-25 23:35:31,556 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-11-25 23:35:31,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 199 treesize of output 190 [2022-11-25 23:35:31,713 INFO L321 Elim1Store]: treesize reduction 120, result has 39.4 percent of original size [2022-11-25 23:35:31,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 214 treesize of output 241 [2022-11-25 23:35:31,786 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-11-25 23:35:31,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 223 treesize of output 166 [2022-11-25 23:35:31,889 INFO L321 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2022-11-25 23:35:31,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 234 treesize of output 193 [2022-11-25 23:35:33,960 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:35:36,553 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3053#(and (<= |ULTIMATE.start_main_~last~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) (or (and (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.base|)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|))) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (and (= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4) |ULTIMATE.start_main_~y~0#1.offset|))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ |ULTIMATE.start_main_~y~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~y~0#1.base| |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~first~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (<= |ULTIMATE.start_main_~c1~0#1| 6) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ |ULTIMATE.start_main_~y~0#1.offset| 4))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= |#NULL.offset| 0) (< 2147483647 (* |ULTIMATE.start_main_~c1~0#1| |ULTIMATE.start_main_~c2~0#1|)) (<= 0 |ULTIMATE.start_main_~last~0#1.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.offset|) (<= 1 |ULTIMATE.start_main_~c2~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~first~0#1.offset| 0) (<= |ULTIMATE.start_main_~c2~0#1| 2147483647))' at error location [2022-11-25 23:35:36,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:35:36,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:35:36,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2022-11-25 23:35:36,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284234779] [2022-11-25 23:35:36,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 23:35:36,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-25 23:35:36,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:36,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-25 23:35:36,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=796, Unknown=1, NotChecked=0, Total=930 [2022-11-25 23:35:36,556 INFO L87 Difference]: Start difference. First operand 150 states and 181 transitions. Second operand has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 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) [2022-11-25 23:35:54,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:54,187 INFO L93 Difference]: Finished difference Result 198 states and 228 transitions. [2022-11-25 23:35:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-25 23:35:54,187 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-25 23:35:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:54,188 INFO L225 Difference]: With dead ends: 198 [2022-11-25 23:35:54,188 INFO L226 Difference]: Without dead ends: 197 [2022-11-25 23:35:54,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 47 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=740, Invalid=3165, Unknown=1, NotChecked=0, Total=3906 [2022-11-25 23:35:54,191 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 227 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:54,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 62 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 23:35:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-25 23:35:54,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 164. [2022-11-25 23:35:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 161 states have (on average 1.204968944099379) internal successors, (194), 163 states have internal predecessors, (194), 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) [2022-11-25 23:35:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 194 transitions. [2022-11-25 23:35:54,204 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 194 transitions. Word has length 28 [2022-11-25 23:35:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:54,204 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 194 transitions. [2022-11-25 23:35:54,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 21 states have internal predecessors, (56), 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) [2022-11-25 23:35:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions. [2022-11-25 23:35:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 23:35:54,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:54,206 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:35:54,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:35:54,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 23:35:54,413 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:35:54,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash -578995295, now seen corresponding path program 2 times [2022-11-25 23:35:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:54,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720921613] [2022-11-25 23:35:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:54,464 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:35:54,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9245785] [2022-11-25 23:35:54,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:35:54,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:35:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:35:54,466 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:35:54,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:35:54,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-25 23:35:54,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:35:54,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:35:54,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:35:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-25 23:35:54,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:35:54,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:54,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720921613] [2022-11-25 23:35:54,737 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:35:54,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9245785] [2022-11-25 23:35:54,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9245785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:54,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:54,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:54,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794454274] [2022-11-25 23:35:54,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:54,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:35:54,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:54,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:35:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:35:54,739 INFO L87 Difference]: Start difference. First operand 164 states and 194 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-25 23:35:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:54,818 INFO L93 Difference]: Finished difference Result 164 states and 194 transitions. [2022-11-25 23:35:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:35:54,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 35 [2022-11-25 23:35:54,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:54,819 INFO L225 Difference]: With dead ends: 164 [2022-11-25 23:35:54,819 INFO L226 Difference]: Without dead ends: 163 [2022-11-25 23:35:54,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:35:54,820 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:54,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:35:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-25 23:35:54,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 109. [2022-11-25 23:35:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 107 states have (on average 1.1495327102803738) internal successors, (123), 108 states have internal predecessors, (123), 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) [2022-11-25 23:35:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2022-11-25 23:35:54,829 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 35 [2022-11-25 23:35:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:54,829 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2022-11-25 23:35:54,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-25 23:35:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2022-11-25 23:35:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:35:54,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:54,831 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1] [2022-11-25 23:35:54,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-25 23:35:55,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 23:35:55,037 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:35:55,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1548662083, now seen corresponding path program 2 times [2022-11-25 23:35:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:55,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741366179] [2022-11-25 23:35:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:55,099 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:35:55,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582819216] [2022-11-25 23:35:55,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:35:55,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:35:55,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:35:55,114 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:35:55,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:35:56,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 23:35:56,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:35:56,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 23:35:56,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:35:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:35:56,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:35:56,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:56,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741366179] [2022-11-25 23:35:56,725 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:35:56,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582819216] [2022-11-25 23:35:56,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582819216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:56,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:56,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 23:35:56,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434158481] [2022-11-25 23:35:56,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:56,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:35:56,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:56,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:35:56,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:35:56,728 INFO L87 Difference]: Start difference. First operand 109 states and 123 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 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) [2022-11-25 23:35:57,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:57,200 INFO L93 Difference]: Finished difference Result 137 states and 155 transitions. [2022-11-25 23:35:57,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 23:35:57,200 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 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 43 [2022-11-25 23:35:57,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:57,201 INFO L225 Difference]: With dead ends: 137 [2022-11-25 23:35:57,201 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:35:57,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:35:57,203 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 46 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:57,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 5 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:35:57,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:35:57,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:35:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-25 23:35:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:35:57,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-25 23:35:57,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:57,204 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:35:57,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 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) [2022-11-25 23:35:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:35:57,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:35:57,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 23:35:57,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 23:35:57,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 23:35:57,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 23:35:57,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 23:35:57,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 23:35:57,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 23:35:57,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 23:35:57,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 23:35:57,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 23:35:57,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:35:57,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 23:35:57,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:35:58,124 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-11-25 23:35:58,124 INFO L895 garLoopResultBuilder]: At program point L572-1(lines 534 587) the Hoare annotation is: (or (= |ULTIMATE.start_main_~c1~0#1| 0) (and (<= |ULTIMATE.start_main_~c1~0#1| 1073741823) (= |ULTIMATE.start_main_~c2~0#1| 0))) [2022-11-25 23:35:58,124 INFO L899 garLoopResultBuilder]: For program point L539-3(lines 539 571) no Hoare annotation was computed. [2022-11-25 23:35:58,124 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L573-1(line 573) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L540-1(line 540) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-11-25 23:35:58,125 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point L550-3(lines 550 561) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L895 garLoopResultBuilder]: At program point L550-5(lines 550 561) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~c1~0#1| 5)) (.cse1 (<= 1 |ULTIMATE.start_main_~c1~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~c2~0#1| 0)) (and .cse0 .cse1 (<= (* |ULTIMATE.start_main_~c1~0#1| |ULTIMATE.start_main_~c2~0#1|) 2147483647) (<= 1 |ULTIMATE.start_main_~c2~0#1|)))) [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point L550-6(lines 550 561) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point L551-1(line 551) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-11-25 23:35:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-11-25 23:35:58,127 INFO L895 garLoopResultBuilder]: At program point L563-2(lines 539 571) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~c2~0#1| 0))) (or (and (<= |ULTIMATE.start_main_~c1~0#1| 5) (<= 1 |ULTIMATE.start_main_~c1~0#1|) .cse0) (let ((.cse1 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= |ULTIMATE.start_main_~first~0#1.base| 0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_main_~last~0#1.base| 0) (= |ULTIMATE.start_main_~first~0#1.offset| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= 14 (select |#length| 2)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) .cse0 (= (select .cse1 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))) [2022-11-25 23:35:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-11-25 23:35:58,127 INFO L895 garLoopResultBuilder]: At program point L580-2(lines 577 583) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~c1~0#1| 1073741823) (= |ULTIMATE.start_main_~c2~0#1| 0)) [2022-11-25 23:35:58,130 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:35:58,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:35:58,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:35:58 BoogieIcfgContainer [2022-11-25 23:35:58,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:35:58,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:35:58,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:35:58,169 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:35:58,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:31:01" (3/4) ... [2022-11-25 23:35:58,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:35:58,184 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-25 23:35:58,185 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 23:35:58,185 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:35:58,186 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:35:58,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:35:58,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:35:58,217 INFO L158 Benchmark]: Toolchain (without parser) took 297853.56ms. Allocated memory was 167.8MB in the beginning and 761.3MB in the end (delta: 593.5MB). Free memory was 121.7MB in the beginning and 549.6MB in the end (delta: -427.9MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,218 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:35:58,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.17ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 104.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.66ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,218 INFO L158 Benchmark]: Boogie Preprocessor took 60.99ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,218 INFO L158 Benchmark]: RCFGBuilder took 692.46ms. Allocated memory is still 167.8MB. Free memory was 100.2MB in the beginning and 79.1MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,219 INFO L158 Benchmark]: TraceAbstraction took 296567.83ms. Allocated memory was 167.8MB in the beginning and 761.3MB in the end (delta: 593.5MB). Free memory was 78.3MB in the beginning and 552.7MB in the end (delta: -474.4MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,219 INFO L158 Benchmark]: Witness Printer took 48.44ms. Allocated memory is still 761.3MB. Free memory was 552.7MB in the beginning and 549.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:35:58,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.17ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 104.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.66ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.99ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.46ms. Allocated memory is still 167.8MB. Free memory was 100.2MB in the beginning and 79.1MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 296567.83ms. Allocated memory was 167.8MB in the beginning and 761.3MB in the end (delta: 593.5MB). Free memory was 78.3MB in the beginning and 552.7MB in the end (delta: -474.4MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. * Witness Printer took 48.44ms. Allocated memory is still 761.3MB. Free memory was 552.7MB in the beginning and 549.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 296.4s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 597 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 597 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1475 IncrementalHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 186 mSDtfsCounter, 1475 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 442 GetRequests, 234 SyntacticMatches, 18 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1801 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=15, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 207 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 28 NumberOfFragments, 122 HoareAnnotationTreeSize, 4 FomulaSimplifications, 822 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2372 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 295 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 353 ConstructedInterpolants, 20 QuantifiedInterpolants, 1551 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2322 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 22 InterpolantComputations, 13 PerfectInterpolantSequences, 119/189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 6.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME: 6.0s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 33, TOOLS_QUANTIFIERELIM_TIME: 6.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 1.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 4.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 154, DAG_COMPRESSION_RETAINED_NODES: 41, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: c1 <= 1073741823 && c2 == 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((c1 <= 5 && 1 <= c1) && c2 == 0) || (((c1 <= 5 && 1 <= c1) && c1 * c2 <= 2147483647) && 1 <= c2) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: c1 == 0 || (c1 <= 1073741823 && c2 == 0) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((c1 <= 5 && 1 <= c1) && c2 == 0) || (((((((((((((((last == 0 && c1 == 0) && first == 0) && 2 == unknown-#length-unknown[1]) && last == 0) && first == 0) && \valid[1] == 1) && \valid[0] == 0) && 14 == unknown-#length-unknown[2]) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && c2 == 0) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-25 23:35:58,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a75c8f5-e358-4d8b-b6d5-9995690f38eb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE