./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 2329fc70 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_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/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_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 12:50:16,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:50:16,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:50:16,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:50:16,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:50:16,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:50:16,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:50:16,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:50:16,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:50:16,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:50:16,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:50:16,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:50:16,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:50:16,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:50:16,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:50:16,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:50:16,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:50:16,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:50:16,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:50:16,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:50:16,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:50:16,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:50:16,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:50:16,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:50:16,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:50:16,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:50:16,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:50:16,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:50:16,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:50:16,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:50:16,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:50:16,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:50:16,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:50:16,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:50:16,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:50:16,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:50:16,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:50:16,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:50:16,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:50:16,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:50:16,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:50:16,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 12:50:16,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:50:16,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:50:16,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:50:16,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:50:16,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:50:16,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:50:16,542 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:50:16,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:50:16,542 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:50:16,542 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:50:16,542 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:50:16,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:50:16,543 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:50:16,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:50:16,543 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:50:16,543 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:50:16,543 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:50:16,544 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:50:16,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:50:16,544 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:50:16,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:50:16,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:50:16,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:50:16,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:50:16,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:50:16,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:50:16,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:50:16,546 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:50:16,546 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:50:16,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:50:16,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:50:16,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:50:16,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:50:16,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:50:16,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:50:16,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:50:16,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:50:16,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:50:16,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:50:16,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:50:16,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:50:16,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:50:16,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:50:16,548 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_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2022-12-14 12:50:16,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:50:16,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:50:16,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:50:16,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:50:16,760 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:50:16,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-12-14 12:50:19,379 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:50:19,567 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:50:19,567 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-12-14 12:50:19,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/data/e9917e7bc/9d78272109974312a612c17fe9cd2e3e/FLAG392ad782e [2022-12-14 12:50:19,585 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/data/e9917e7bc/9d78272109974312a612c17fe9cd2e3e [2022-12-14 12:50:19,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:50:19,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:50:19,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:50:19,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:50:19,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:50:19,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d302f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19, skipping insertion in model container [2022-12-14 12:50:19,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:50:19,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:50:19,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:50:19,859 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:50:19,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:50:19,916 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:50:19,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19 WrapperNode [2022-12-14 12:50:19,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:50:19,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:50:19,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:50:19,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:50:19,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,953 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-12-14 12:50:19,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:50:19,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:50:19,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:50:19,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:50:19,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:50:19,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:50:19,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:50:19,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:50:19,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (1/1) ... [2022-12-14 12:50:19,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:50:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:50:20,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:50:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:50:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:50:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:50:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:50:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:50:20,128 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:50:20,129 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:50:20,308 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:50:20,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:50:20,390 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 12:50:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:50:20 BoogieIcfgContainer [2022-12-14 12:50:20,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:50:20,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:50:20,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:50:20,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:50:20,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:50:19" (1/3) ... [2022-12-14 12:50:20,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2584fdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:50:20, skipping insertion in model container [2022-12-14 12:50:20,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:50:19" (2/3) ... [2022-12-14 12:50:20,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2584fdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:50:20, skipping insertion in model container [2022-12-14 12:50:20,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:50:20" (3/3) ... [2022-12-14 12:50:20,402 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0504_1.i [2022-12-14 12:50:20,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:50:20,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-14 12:50:20,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:50:20,477 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;@6915d0e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:50:20,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-14 12:50:20,481 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) [2022-12-14 12:50:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 12:50:20,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:20,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 12:50:20,489 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)] === [2022-12-14 12:50:20,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:20,493 INFO L85 PathProgramCache]: Analyzing trace with hash 4484825, now seen corresponding path program 1 times [2022-12-14 12:50:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:20,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096706832] [2022-12-14 12:50:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:20,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:20,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096706832] [2022-12-14 12:50:20,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096706832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:20,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:20,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:50:20,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585646567] [2022-12-14 12:50:20,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:20,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:50:20,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:20,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:50:20,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:50:20,676 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) [2022-12-14 12:50:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:20,732 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2022-12-14 12:50:20,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:50:20,735 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 [2022-12-14 12:50:20,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:20,743 INFO L225 Difference]: With dead ends: 57 [2022-12-14 12:50:20,743 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 12:50:20,747 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 [2022-12-14 12:50:20,750 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, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:20,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:50:20,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 12:50:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 12:50:20,783 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) [2022-12-14 12:50:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-12-14 12:50:20,785 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 4 [2022-12-14 12:50:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:20,786 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-12-14 12:50:20,786 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) [2022-12-14 12:50:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-12-14 12:50:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 12:50:20,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:20,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 12:50:20,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:50:20,788 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)] === [2022-12-14 12:50:20,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:20,788 INFO L85 PathProgramCache]: Analyzing trace with hash 4531692, now seen corresponding path program 1 times [2022-12-14 12:50:20,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:20,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017337107] [2022-12-14 12:50:20,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:20,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:20,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:20,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017337107] [2022-12-14 12:50:20,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017337107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:20,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:20,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:50:20,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214477965] [2022-12-14 12:50:20,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:20,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:50:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:20,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:50:20,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:50:20,885 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) [2022-12-14 12:50:20,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:20,980 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-12-14 12:50:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:50:20,980 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 [2022-12-14 12:50:20,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:20,981 INFO L225 Difference]: With dead ends: 41 [2022-12-14 12:50:20,981 INFO L226 Difference]: Without dead ends: 32 [2022-12-14 12:50:20,981 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 [2022-12-14 12:50:20,983 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 [2022-12-14 12:50:20,983 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] [2022-12-14 12:50:20,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-14 12:50:20,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-14 12:50:20,987 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) [2022-12-14 12:50:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-12-14 12:50:20,988 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 4 [2022-12-14 12:50:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:20,988 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-12-14 12:50:20,988 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) [2022-12-14 12:50:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-12-14 12:50:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 12:50:20,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:20,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 12:50:20,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:50:20,989 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)] === [2022-12-14 12:50:20,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:20,990 INFO L85 PathProgramCache]: Analyzing trace with hash 59993923, now seen corresponding path program 1 times [2022-12-14 12:50:20,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:20,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480724278] [2022-12-14 12:50:20,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:20,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:21,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:21,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480724278] [2022-12-14 12:50:21,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480724278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:21,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:21,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:50:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563026108] [2022-12-14 12:50:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:21,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:50:21,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:21,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:50:21,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:50:21,106 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) [2022-12-14 12:50:21,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:21,247 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-12-14 12:50:21,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:50:21,247 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 [2022-12-14 12:50:21,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:21,248 INFO L225 Difference]: With dead ends: 53 [2022-12-14 12:50:21,248 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 12:50:21,248 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 [2022-12-14 12:50:21,250 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:21,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:50:21,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 12:50:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 33. [2022-12-14 12:50:21,254 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) [2022-12-14 12:50:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-12-14 12:50:21,255 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 6 [2022-12-14 12:50:21,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:21,255 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-12-14 12:50:21,256 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) [2022-12-14 12:50:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-12-14 12:50:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:50:21,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:21,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:21,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:50:21,257 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)] === [2022-12-14 12:50:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:21,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1859811676, now seen corresponding path program 1 times [2022-12-14 12:50:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:21,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608187513] [2022-12-14 12:50:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:21,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:21,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:21,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608187513] [2022-12-14 12:50:21,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608187513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:21,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:21,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:50:21,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873045303] [2022-12-14 12:50:21,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:21,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:50:21,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:21,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:50:21,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:50:21,334 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) [2022-12-14 12:50:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:21,441 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2022-12-14 12:50:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:50:21,442 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 [2022-12-14 12:50:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:21,443 INFO L225 Difference]: With dead ends: 57 [2022-12-14 12:50:21,443 INFO L226 Difference]: Without dead ends: 56 [2022-12-14 12:50:21,443 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 [2022-12-14 12:50:21,444 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:21,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 50 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:50:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-14 12:50:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 34. [2022-12-14 12:50:21,447 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) [2022-12-14 12:50:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-12-14 12:50:21,448 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 7 [2022-12-14 12:50:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:21,448 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-12-14 12:50:21,448 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) [2022-12-14 12:50:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-12-14 12:50:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 12:50:21,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:21,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:21,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:50:21,449 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)] === [2022-12-14 12:50:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash 571680489, now seen corresponding path program 1 times [2022-12-14 12:50:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:21,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118370972] [2022-12-14 12:50:21,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:21,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:21,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:21,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118370972] [2022-12-14 12:50:21,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118370972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:21,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:21,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:50:21,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759761429] [2022-12-14 12:50:21,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:21,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:50:21,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:50:21,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:50:21,508 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) [2022-12-14 12:50:21,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:21,570 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-12-14 12:50:21,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:50:21,570 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 [2022-12-14 12:50:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:21,571 INFO L225 Difference]: With dead ends: 41 [2022-12-14 12:50:21,571 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 12:50:21,572 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 [2022-12-14 12:50:21,573 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-12-14 12:50:21,573 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] [2022-12-14 12:50:21,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 12:50:21,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-12-14 12:50:21,576 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) [2022-12-14 12:50:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-12-14 12:50:21,577 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 10 [2022-12-14 12:50:21,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:21,577 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-12-14 12:50:21,577 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) [2022-12-14 12:50:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-12-14 12:50:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:50:21,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:21,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:21,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:50:21,578 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)] === [2022-12-14 12:50:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:21,579 INFO L85 PathProgramCache]: Analyzing trace with hash -370859124, now seen corresponding path program 1 times [2022-12-14 12:50:21,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:21,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876810979] [2022-12-14 12:50:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:21,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:21,603 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:50:21,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340641383] [2022-12-14 12:50:21,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:21,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:50:21,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:50:21,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:50:21,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:50:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:21,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 12:50:21,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:50:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:21,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:50:21,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:21,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876810979] [2022-12-14 12:50:21,797 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:50:21,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340641383] [2022-12-14 12:50:21,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340641383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:21,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:21,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:50:21,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250484488] [2022-12-14 12:50:21,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:21,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:50:21,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:21,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:50:21,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:50:21,799 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) [2022-12-14 12:50:21,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:21,971 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-12-14 12:50:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 12:50:21,971 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 [2022-12-14 12:50:21,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:21,972 INFO L225 Difference]: With dead ends: 44 [2022-12-14 12:50:21,972 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 12:50:21,972 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 [2022-12-14 12:50:21,973 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:21,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 31 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:50:21,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 12:50:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-12-14 12:50:21,978 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) [2022-12-14 12:50:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-12-14 12:50:21,979 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 12 [2022-12-14 12:50:21,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:21,979 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-12-14 12:50:21,979 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) [2022-12-14 12:50:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-14 12:50:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:50:21,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:21,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:21,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:50:22,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 12:50:22,181 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)] === [2022-12-14 12:50:22,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:22,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1388269138, now seen corresponding path program 1 times [2022-12-14 12:50:22,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:22,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162059139] [2022-12-14 12:50:22,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:22,262 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:50:22,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692147029] [2022-12-14 12:50:22,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:22,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:50:22,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:50:22,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:50:22,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:50:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:22,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 12:50:22,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:50:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:22,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:50:22,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:22,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162059139] [2022-12-14 12:50:22,467 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:50:22,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692147029] [2022-12-14 12:50:22,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692147029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:22,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:22,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:50:22,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176105087] [2022-12-14 12:50:22,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:22,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:50:22,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:22,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:50:22,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:50:22,469 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) [2022-12-14 12:50:22,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:22,645 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2022-12-14 12:50:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:50:22,646 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 [2022-12-14 12:50:22,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:22,646 INFO L225 Difference]: With dead ends: 58 [2022-12-14 12:50:22,646 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 12:50:22,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:50:22,647 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-12-14 12:50:22,648 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] [2022-12-14 12:50:22,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 12:50:22,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 40. [2022-12-14 12:50:22,652 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) [2022-12-14 12:50:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-12-14 12:50:22,653 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 13 [2022-12-14 12:50:22,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:22,653 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-12-14 12:50:22,653 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) [2022-12-14 12:50:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-14 12:50:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:50:22,654 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:22,654 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:22,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 12:50:22,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 12:50:22,856 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)] === [2022-12-14 12:50:22,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:22,857 INFO L85 PathProgramCache]: Analyzing trace with hash 101522380, now seen corresponding path program 1 times [2022-12-14 12:50:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:22,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153574337] [2022-12-14 12:50:22,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:50:22,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:22,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153574337] [2022-12-14 12:50:22,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153574337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:22,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:22,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:50:22,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304983951] [2022-12-14 12:50:22,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:22,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:50:22,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:22,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:50:22,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:50:22,957 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) [2022-12-14 12:50:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:22,991 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-12-14 12:50:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:50:22,991 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 [2022-12-14 12:50:22,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:22,992 INFO L225 Difference]: With dead ends: 40 [2022-12-14 12:50:22,992 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 12:50:22,992 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 [2022-12-14 12:50:22,993 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 [2022-12-14 12:50:22,993 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] [2022-12-14 12:50:22,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 12:50:22,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-12-14 12:50:22,997 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) [2022-12-14 12:50:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-12-14 12:50:22,998 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2022-12-14 12:50:22,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:22,998 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-12-14 12:50:22,998 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) [2022-12-14 12:50:22,998 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-12-14 12:50:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:50:22,999 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:22,999 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:22,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:50:22,999 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)] === [2022-12-14 12:50:22,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash 101522222, now seen corresponding path program 1 times [2022-12-14 12:50:23,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:23,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472803916] [2022-12-14 12:50:23,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:23,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:23,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:23,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472803916] [2022-12-14 12:50:23,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472803916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:23,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:23,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:50:23,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162168566] [2022-12-14 12:50:23,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:23,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:50:23,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:23,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:50:23,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:50:23,060 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) [2022-12-14 12:50:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:23,124 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2022-12-14 12:50:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:50:23,124 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 [2022-12-14 12:50:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:23,125 INFO L225 Difference]: With dead ends: 43 [2022-12-14 12:50:23,125 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 12:50:23,125 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 [2022-12-14 12:50:23,126 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 [2022-12-14 12:50:23,126 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] [2022-12-14 12:50:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 12:50:23,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2022-12-14 12:50:23,130 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) [2022-12-14 12:50:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-12-14 12:50:23,130 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2022-12-14 12:50:23,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:23,131 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-12-14 12:50:23,131 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) [2022-12-14 12:50:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-12-14 12:50:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 12:50:23,131 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:23,132 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:23,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:50:23,132 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)] === [2022-12-14 12:50:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1147773397, now seen corresponding path program 1 times [2022-12-14 12:50:23,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:23,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51845096] [2022-12-14 12:50:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:23,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:23,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:23,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51845096] [2022-12-14 12:50:23,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51845096] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:23,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:23,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:50:23,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458975065] [2022-12-14 12:50:23,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:23,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:50:23,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:23,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:50:23,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:50:23,188 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) [2022-12-14 12:50:23,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:23,245 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-12-14 12:50:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:50:23,246 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 [2022-12-14 12:50:23,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:23,246 INFO L225 Difference]: With dead ends: 38 [2022-12-14 12:50:23,246 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 12:50:23,246 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 [2022-12-14 12:50:23,247 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, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:23,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:50:23,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 12:50:23,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 12:50:23,250 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) [2022-12-14 12:50:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-12-14 12:50:23,251 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2022-12-14 12:50:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:23,251 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-12-14 12:50:23,251 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) [2022-12-14 12:50:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-12-14 12:50:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 12:50:23,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:23,252 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:23,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:50:23,252 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)] === [2022-12-14 12:50:23,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:23,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1221280958, now seen corresponding path program 1 times [2022-12-14 12:50:23,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:23,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552534777] [2022-12-14 12:50:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:23,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:23,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:23,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552534777] [2022-12-14 12:50:23,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552534777] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:50:23,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864838944] [2022-12-14 12:50:23,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:23,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:50:23,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:50:23,365 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:50:23,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:50:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:23,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:50:23,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:50:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:23,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:50:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:50:23,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864838944] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:50:23,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [881868975] [2022-12-14 12:50:23,549 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-12-14 12:50:23,549 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:50:23,552 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:50:23,556 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:50:23,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:50:23,653 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:50:23,654 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 [2022-12-14 12:50:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,705 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:50:23,706 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 [2022-12-14 12:50:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,721 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 [2022-12-14 12:50:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,735 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 [2022-12-14 12:50:23,768 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:50:23,769 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 [2022-12-14 12:50:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,806 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 [2022-12-14 12:50:23,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:23,825 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 [2022-12-14 12:50:23,838 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 [2022-12-14 12:50:24,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:24,155 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-12-14 12:50:24,155 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 [2022-12-14 12:50:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:25,094 INFO L321 Elim1Store]: treesize reduction 508, result has 25.6 percent of original size [2022-12-14 12:50:25,095 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 [2022-12-14 12:50:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:25,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:50:25,700 INFO L321 Elim1Store]: treesize reduction 508, result has 25.6 percent of original size [2022-12-14 12:50:25,700 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 [2022-12-14 12:50:25,874 INFO L321 Elim1Store]: treesize reduction 70, result has 34.0 percent of original size [2022-12-14 12:50:25,875 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 [2022-12-14 12:50:25,953 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-12-14 12:50:25,954 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 [2022-12-14 12:50:26,010 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 12:50:26,010 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 [2022-12-14 12:50:26,081 INFO L321 Elim1Store]: treesize reduction 53, result has 26.4 percent of original size [2022-12-14 12:50:26,081 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 [2022-12-14 12:50:26,144 INFO L321 Elim1Store]: treesize reduction 55, result has 25.7 percent of original size [2022-12-14 12:50:26,145 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 [2022-12-14 12:51:22,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,323 INFO L321 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2022-12-14 12:51:22,323 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 [2022-12-14 12:51:22,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,358 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 12:51:22,358 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 [2022-12-14 12:51:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:22,397 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 12:51:22,397 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 [2022-12-14 12:51:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,683 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 [2022-12-14 12:51:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,720 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 [2022-12-14 12:51:22,764 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 [2022-12-14 12:51:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,912 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 [2022-12-14 12:51:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,920 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 [2022-12-14 12:51:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,939 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 [2022-12-14 12:51:22,953 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 [2022-12-14 12:51:22,959 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 [2022-12-14 12:51:22,973 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 [2022-12-14 12:51:22,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,986 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 [2022-12-14 12:51:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:22,998 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 [2022-12-14 12:51:23,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:23,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:23,116 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 12:51:23,117 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 [2022-12-14 12:51:23,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,162 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 [2022-12-14 12:51:23,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:23,207 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 12:51:23,207 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 [2022-12-14 12:51:23,303 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 [2022-12-14 12:51:23,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,319 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 [2022-12-14 12:51:23,324 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 [2022-12-14 12:51:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,331 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 [2022-12-14 12:51:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,339 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 [2022-12-14 12:51:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,368 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 [2022-12-14 12:51:23,375 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 [2022-12-14 12:51:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,384 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 [2022-12-14 12:51:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:23,518 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 12:51:23,519 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 [2022-12-14 12:51:23,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,550 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 [2022-12-14 12:51:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:23,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:23,591 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 12:51:23,591 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 [2022-12-14 12:51:23,653 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:51:24,389 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 [2022-12-14 12:51:24,389 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:51:24,389 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:51:24,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2022-12-14 12:51:24,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558915122] [2022-12-14 12:51:24,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:51:24,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 12:51:24,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:24,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 12:51:24,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2022-12-14 12:51:24,390 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) [2022-12-14 12:51:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:24,568 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2022-12-14 12:51:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 12:51:24,569 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 [2022-12-14 12:51:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:24,569 INFO L225 Difference]: With dead ends: 87 [2022-12-14 12:51:24,569 INFO L226 Difference]: Without dead ends: 86 [2022-12-14 12:51:24,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-12-14 12:51:24,571 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 115 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:51:24,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 31 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:51:24,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-14 12:51:24,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2022-12-14 12:51:24,576 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) [2022-12-14 12:51:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2022-12-14 12:51:24,577 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 16 [2022-12-14 12:51:24,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:24,577 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2022-12-14 12:51:24,577 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) [2022-12-14 12:51:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-12-14 12:51:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 12:51:24,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:24,578 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:24,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:51:24,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 12:51:24,779 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)] === [2022-12-14 12:51:24,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:24,780 INFO L85 PathProgramCache]: Analyzing trace with hash 725033088, now seen corresponding path program 1 times [2022-12-14 12:51:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:24,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860670709] [2022-12-14 12:51:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:24,831 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:51:24,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719269918] [2022-12-14 12:51:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:24,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:24,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:24,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:51:24,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:51:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:24,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:51:24,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:51:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:24,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:51:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:25,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:25,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860670709] [2022-12-14 12:51:25,001 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:51:25,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719269918] [2022-12-14 12:51:25,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719269918] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:51:25,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2041473747] [2022-12-14 12:51:25,003 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-12-14 12:51:25,003 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:51:25,003 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:51:25,003 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:51:25,003 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:51:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,048 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 [2022-12-14 12:51:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,079 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:51:25,079 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 [2022-12-14 12:51:25,102 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:51:25,102 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 [2022-12-14 12:51:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,110 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 [2022-12-14 12:51:25,139 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:51:25,140 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 [2022-12-14 12:51:25,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,163 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 [2022-12-14 12:51:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,176 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 [2022-12-14 12:51:25,185 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 [2022-12-14 12:51:25,285 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:51:25,286 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 [2022-12-14 12:51:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,342 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-12-14 12:51:25,342 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 [2022-12-14 12:51:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:25,370 INFO L321 Elim1Store]: treesize reduction 46, result has 16.4 percent of original size [2022-12-14 12:51:25,371 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 [2022-12-14 12:51:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,387 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 [2022-12-14 12:51:25,402 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 [2022-12-14 12:51:25,417 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 [2022-12-14 12:51:25,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:25,474 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 12:51:25,474 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 [2022-12-14 12:51:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:25,511 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:51:25,512 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 [2022-12-14 12:51:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,542 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 [2022-12-14 12:51:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,556 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 [2022-12-14 12:51:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,573 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 [2022-12-14 12:51:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:25,860 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-12-14 12:51:25,861 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 [2022-12-14 12:51:25,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:25,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,098 INFO L321 Elim1Store]: treesize reduction 262, result has 12.4 percent of original size [2022-12-14 12:51:26,099 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 [2022-12-14 12:51:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,283 INFO L321 Elim1Store]: treesize reduction 393, result has 15.8 percent of original size [2022-12-14 12:51:26,283 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 [2022-12-14 12:51:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,389 INFO L321 Elim1Store]: treesize reduction 392, result has 13.8 percent of original size [2022-12-14 12:51:26,390 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 [2022-12-14 12:51:26,483 INFO L321 Elim1Store]: treesize reduction 132, result has 20.0 percent of original size [2022-12-14 12:51:26,484 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 [2022-12-14 12:51:26,524 INFO L321 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2022-12-14 12:51:26,524 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 [2022-12-14 12:51:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,555 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:51:26,556 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 [2022-12-14 12:51:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,919 INFO L321 Elim1Store]: treesize reduction 193, result has 6.3 percent of original size [2022-12-14 12:51:26,919 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 [2022-12-14 12:51:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:26,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:26,981 INFO L321 Elim1Store]: treesize reduction 82, result has 25.5 percent of original size [2022-12-14 12:51:26,981 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 [2022-12-14 12:51:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,094 INFO L321 Elim1Store]: treesize reduction 212, result has 15.9 percent of original size [2022-12-14 12:51:27,095 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 [2022-12-14 12:51:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,175 INFO L321 Elim1Store]: treesize reduction 267, result has 5.3 percent of original size [2022-12-14 12:51:27,175 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 [2022-12-14 12:51:27,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,248 INFO L321 Elim1Store]: treesize reduction 318, result has 11.7 percent of original size [2022-12-14 12:51:27,248 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 [2022-12-14 12:51:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,631 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:27,631 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 [2022-12-14 12:51:27,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:27,691 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:27,691 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 [2022-12-14 12:51:27,727 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-12-14 12:51:27,727 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 [2022-12-14 12:51:27,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,736 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 [2022-12-14 12:51:27,779 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 [2022-12-14 12:51:27,785 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 [2022-12-14 12:51:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,820 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 [2022-12-14 12:51:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:27,893 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-12-14 12:51:27,894 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 [2022-12-14 12:51:27,937 INFO L321 Elim1Store]: treesize reduction 133, result has 12.5 percent of original size [2022-12-14 12:51:27,937 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 [2022-12-14 12:51:27,999 INFO L321 Elim1Store]: treesize reduction 131, result has 33.8 percent of original size [2022-12-14 12:51:28,000 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 [2022-12-14 12:51:28,940 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 [2022-12-14 12:51:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:28,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:29,092 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:51:29,092 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 [2022-12-14 12:51:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:29,173 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-12-14 12:51:29,173 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 [2022-12-14 12:51:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:29,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:29,229 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:29,230 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 [2022-12-14 12:51:29,275 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 [2022-12-14 12:51:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:29,312 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 [2022-12-14 12:51:29,360 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:51:29,360 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 [2022-12-14 12:51:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:29,406 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:51:29,406 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 [2022-12-14 12:51:29,489 INFO L321 Elim1Store]: treesize reduction 124, result has 37.4 percent of original size [2022-12-14 12:51:29,489 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 [2022-12-14 12:51:29,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:29,555 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:51:29,555 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 [2022-12-14 12:51:30,433 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:51:31,131 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 [2022-12-14 12:51:31,131 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:51:31,131 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:51:31,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-12-14 12:51:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402670894] [2022-12-14 12:51:31,131 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 12:51:31,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 12:51:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:31,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 12:51:31,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-12-14 12:51:31,132 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) [2022-12-14 12:51:31,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:31,281 INFO L93 Difference]: Finished difference Result 170 states and 215 transitions. [2022-12-14 12:51:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 12:51:31,282 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 [2022-12-14 12:51:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:31,284 INFO L225 Difference]: With dead ends: 170 [2022-12-14 12:51:31,284 INFO L226 Difference]: Without dead ends: 169 [2022-12-14 12:51:31,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2022-12-14 12:51:31,284 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 [2022-12-14 12:51:31,285 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] [2022-12-14 12:51:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-12-14 12:51:31,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 150. [2022-12-14 12:51:31,292 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) [2022-12-14 12:51:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 187 transitions. [2022-12-14 12:51:31,292 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 187 transitions. Word has length 17 [2022-12-14 12:51:31,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:31,292 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 187 transitions. [2022-12-14 12:51:31,292 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) [2022-12-14 12:51:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2022-12-14 12:51:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 12:51:31,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:31,293 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:31,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 12:51:31,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:31,495 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)] === [2022-12-14 12:51:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:31,496 INFO L85 PathProgramCache]: Analyzing trace with hash 972165832, now seen corresponding path program 1 times [2022-12-14 12:51:31,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:31,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863211069] [2022-12-14 12:51:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:31,535 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:51:31,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447314663] [2022-12-14 12:51:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:31,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:31,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:51:31,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:51:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:31,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 12:51:31,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:51:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:31,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:51:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:31,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:31,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863211069] [2022-12-14 12:51:31,968 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:51:31,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447314663] [2022-12-14 12:51:31,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447314663] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:51:31,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1352015871] [2022-12-14 12:51:31,970 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-12-14 12:51:31,970 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:51:31,971 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:51:31,971 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:51:31,971 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:51:32,019 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:51:32,019 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 [2022-12-14 12:51:32,023 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 [2022-12-14 12:51:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,030 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 [2022-12-14 12:51:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,048 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 [2022-12-14 12:51:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,056 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 [2022-12-14 12:51:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,075 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 [2022-12-14 12:51:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,085 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 [2022-12-14 12:51:32,094 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 [2022-12-14 12:51:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,287 INFO L321 Elim1Store]: treesize reduction 201, result has 18.0 percent of original size [2022-12-14 12:51:32,287 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 [2022-12-14 12:51:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,343 INFO L321 Elim1Store]: treesize reduction 81, result has 17.3 percent of original size [2022-12-14 12:51:32,343 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 [2022-12-14 12:51:32,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,387 INFO L321 Elim1Store]: treesize reduction 40, result has 45.2 percent of original size [2022-12-14 12:51:32,387 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 [2022-12-14 12:51:32,436 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:51:32,437 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 [2022-12-14 12:51:32,451 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 [2022-12-14 12:51:32,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,502 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 12:51:32,502 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 [2022-12-14 12:51:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,547 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:51:32,548 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 [2022-12-14 12:51:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,565 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 [2022-12-14 12:51:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,576 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 [2022-12-14 12:51:32,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,589 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 [2022-12-14 12:51:32,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:32,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:32,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,046 INFO L321 Elim1Store]: treesize reduction 379, result has 15.2 percent of original size [2022-12-14 12:51:33,047 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 [2022-12-14 12:51:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,127 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:51:33,127 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 [2022-12-14 12:51:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,234 INFO L321 Elim1Store]: treesize reduction 230, result has 13.2 percent of original size [2022-12-14 12:51:33,234 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 [2022-12-14 12:51:33,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,269 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:51:33,269 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 [2022-12-14 12:51:33,380 INFO L321 Elim1Store]: treesize reduction 160, result has 20.4 percent of original size [2022-12-14 12:51:33,380 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 [2022-12-14 12:51:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,454 INFO L321 Elim1Store]: treesize reduction 264, result has 15.7 percent of original size [2022-12-14 12:51:33,455 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 [2022-12-14 12:51:33,492 INFO L321 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2022-12-14 12:51:33,493 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 [2022-12-14 12:51:33,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,780 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 12:51:33,781 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 [2022-12-14 12:51:33,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,827 INFO L321 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2022-12-14 12:51:33,827 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 [2022-12-14 12:51:33,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,898 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 12:51:33,899 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 [2022-12-14 12:51:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,931 INFO L321 Elim1Store]: treesize reduction 110, result has 0.9 percent of original size [2022-12-14 12:51:33,932 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 [2022-12-14 12:51:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:33,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:33,967 INFO L321 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2022-12-14 12:51:33,968 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 [2022-12-14 12:51:34,209 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 [2022-12-14 12:51:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,309 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:34,310 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 [2022-12-14 12:51:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,363 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:34,363 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 [2022-12-14 12:51:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,404 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-12-14 12:51:34,404 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 [2022-12-14 12:51:34,422 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 [2022-12-14 12:51:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,451 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 [2022-12-14 12:51:34,492 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:51:34,493 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 [2022-12-14 12:51:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,533 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:51:34,533 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 [2022-12-14 12:51:34,595 INFO L321 Elim1Store]: treesize reduction 124, result has 37.4 percent of original size [2022-12-14 12:51:34,595 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 [2022-12-14 12:51:34,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:34,645 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:51:34,645 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 [2022-12-14 12:51:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:35,069 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:35,069 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 [2022-12-14 12:51:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:35,128 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:35,129 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 [2022-12-14 12:51:35,154 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-12-14 12:51:35,154 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 [2022-12-14 12:51:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:35,161 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 [2022-12-14 12:51:35,183 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 [2022-12-14 12:51:35,189 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 [2022-12-14 12:51:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:35,228 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 [2022-12-14 12:51:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:35,301 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-12-14 12:51:35,301 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 [2022-12-14 12:51:35,340 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-12-14 12:51:35,340 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 [2022-12-14 12:51:35,398 INFO L321 Elim1Store]: treesize reduction 111, result has 37.6 percent of original size [2022-12-14 12:51:35,399 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 [2022-12-14 12:51:36,183 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:51:36,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1352015871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:36,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:51:36,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 21 [2022-12-14 12:51:36,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669443208] [2022-12-14 12:51:36,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:36,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:51:36,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:36,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:51:36,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2022-12-14 12:51:36,761 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) [2022-12-14 12:51:37,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:37,251 INFO L93 Difference]: Finished difference Result 153 states and 188 transitions. [2022-12-14 12:51:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 12:51:37,252 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 [2022-12-14 12:51:37,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:37,252 INFO L225 Difference]: With dead ends: 153 [2022-12-14 12:51:37,252 INFO L226 Difference]: Without dead ends: 152 [2022-12-14 12:51:37,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2022-12-14 12:51:37,253 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-12-14 12:51:37,253 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] [2022-12-14 12:51:37,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-12-14 12:51:37,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2022-12-14 12:51:37,258 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) [2022-12-14 12:51:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 184 transitions. [2022-12-14 12:51:37,259 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 184 transitions. Word has length 19 [2022-12-14 12:51:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:37,259 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 184 transitions. [2022-12-14 12:51:37,259 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) [2022-12-14 12:51:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2022-12-14 12:51:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 12:51:37,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:37,259 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:37,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 12:51:37,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:37,461 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)] === [2022-12-14 12:51:37,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:37,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1803422648, now seen corresponding path program 1 times [2022-12-14 12:51:37,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:37,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523688500] [2022-12-14 12:51:37,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:37,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:37,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:51:37,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983369749] [2022-12-14 12:51:37,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:37,530 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:51:37,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:51:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:37,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 12:51:37,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:51:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:37,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:51:37,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:37,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523688500] [2022-12-14 12:51:37,674 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:51:37,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983369749] [2022-12-14 12:51:37,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983369749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:37,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:51:37,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:51:37,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878500883] [2022-12-14 12:51:37,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:37,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:51:37,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:37,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:51:37,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:51:37,675 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) [2022-12-14 12:51:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:37,770 INFO L93 Difference]: Finished difference Result 175 states and 208 transitions. [2022-12-14 12:51:37,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:51:37,771 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 [2022-12-14 12:51:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:37,771 INFO L225 Difference]: With dead ends: 175 [2022-12-14 12:51:37,771 INFO L226 Difference]: Without dead ends: 174 [2022-12-14 12:51:37,771 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 [2022-12-14 12:51:37,772 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 [2022-12-14 12:51:37,772 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] [2022-12-14 12:51:37,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-12-14 12:51:37,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 150. [2022-12-14 12:51:37,777 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) [2022-12-14 12:51:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 181 transitions. [2022-12-14 12:51:37,778 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 181 transitions. Word has length 22 [2022-12-14 12:51:37,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:37,778 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 181 transitions. [2022-12-14 12:51:37,778 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) [2022-12-14 12:51:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2022-12-14 12:51:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 12:51:37,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:37,778 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 12:51:37,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:51:37,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 12:51:37,980 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)] === [2022-12-14 12:51:37,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:37,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1504357294, now seen corresponding path program 1 times [2022-12-14 12:51:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:37,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330181252] [2022-12-14 12:51:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:38,062 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:51:38,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338525346] [2022-12-14 12:51:38,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:38,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:38,064 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:51:38,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 12:51:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:38,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 12:51:38,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:51:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:38,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:51:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:51:40,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:40,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330181252] [2022-12-14 12:51:40,952 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:51:40,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338525346] [2022-12-14 12:51:40,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338525346] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:51:40,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1716138742] [2022-12-14 12:51:40,954 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-12-14 12:51:40,954 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:51:40,955 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:51:40,955 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:51:40,955 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:51:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,013 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:51:41,014 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 [2022-12-14 12:51:41,033 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:51:41,033 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 [2022-12-14 12:51:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,041 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 [2022-12-14 12:51:41,075 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:51:41,075 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 [2022-12-14 12:51:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,086 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 [2022-12-14 12:51:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,113 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 [2022-12-14 12:51:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,125 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 [2022-12-14 12:51:41,133 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 [2022-12-14 12:51:41,207 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-12-14 12:51:41,207 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 [2022-12-14 12:51:41,241 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:51:41,241 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 [2022-12-14 12:51:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,319 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-12-14 12:51:41,319 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 [2022-12-14 12:51:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:41,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:41,348 INFO L321 Elim1Store]: treesize reduction 54, result has 14.3 percent of original size [2022-12-14 12:51:41,349 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 [2022-12-14 12:51:41,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,369 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 [2022-12-14 12:51:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:41,411 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 12:51:41,411 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 [2022-12-14 12:51:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:41,446 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:51:41,446 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 [2022-12-14 12:51:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,469 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-12-14 12:51:41,469 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 [2022-12-14 12:51:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,485 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-12-14 12:51:41,486 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 [2022-12-14 12:51:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,497 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 [2022-12-14 12:51:41,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:41,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:41,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:41,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,002 INFO L321 Elim1Store]: treesize reduction 379, result has 15.2 percent of original size [2022-12-14 12:51:42,003 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 [2022-12-14 12:51:42,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,103 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 12:51:42,104 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 [2022-12-14 12:51:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,239 INFO L321 Elim1Store]: treesize reduction 230, result has 13.2 percent of original size [2022-12-14 12:51:42,240 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 [2022-12-14 12:51:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,284 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:51:42,285 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 [2022-12-14 12:51:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:42,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:42,415 INFO L321 Elim1Store]: treesize reduction 400, result has 14.3 percent of original size [2022-12-14 12:51:42,415 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 [2022-12-14 12:51:42,519 INFO L321 Elim1Store]: treesize reduction 160, result has 20.4 percent of original size [2022-12-14 12:51:42,520 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 [2022-12-14 12:51:42,566 INFO L321 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2022-12-14 12:51:42,566 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 [2022-12-14 12:51:43,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,113 INFO L321 Elim1Store]: treesize reduction 68, result has 20.0 percent of original size [2022-12-14 12:51:43,113 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 [2022-12-14 12:51:43,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,282 INFO L321 Elim1Store]: treesize reduction 502, result has 11.2 percent of original size [2022-12-14 12:51:43,283 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 [2022-12-14 12:51:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,386 INFO L321 Elim1Store]: treesize reduction 232, result has 12.8 percent of original size [2022-12-14 12:51:43,387 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 [2022-12-14 12:51:43,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,507 INFO L321 Elim1Store]: treesize reduction 504, result has 10.2 percent of original size [2022-12-14 12:51:43,508 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 [2022-12-14 12:51:43,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:43,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:43,572 INFO L321 Elim1Store]: treesize reduction 198, result has 13.5 percent of original size [2022-12-14 12:51:43,572 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 [2022-12-14 12:51:43,994 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 [2022-12-14 12:51:43,998 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 [2022-12-14 12:51:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,136 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:51:44,137 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 [2022-12-14 12:51:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,210 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-12-14 12:51:44,210 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 [2022-12-14 12:51:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,264 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:44,264 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 [2022-12-14 12:51:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,312 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 [2022-12-14 12:51:44,362 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:51:44,362 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 [2022-12-14 12:51:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,409 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:51:44,410 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 [2022-12-14 12:51:44,474 INFO L321 Elim1Store]: treesize reduction 128, result has 35.4 percent of original size [2022-12-14 12:51:44,475 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 [2022-12-14 12:51:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:44,541 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:51:44,541 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 [2022-12-14 12:51:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:45,110 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:45,110 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 [2022-12-14 12:51:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:45,165 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:45,166 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 [2022-12-14 12:51:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:45,202 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-12-14 12:51:45,202 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 [2022-12-14 12:51:45,217 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 [2022-12-14 12:51:45,222 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 [2022-12-14 12:51:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:45,253 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 [2022-12-14 12:51:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:45,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:45,339 INFO L321 Elim1Store]: treesize reduction 172, result has 28.9 percent of original size [2022-12-14 12:51:45,339 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 [2022-12-14 12:51:45,379 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-12-14 12:51:45,379 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 [2022-12-14 12:51:45,442 INFO L321 Elim1Store]: treesize reduction 108, result has 39.3 percent of original size [2022-12-14 12:51:45,442 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 [2022-12-14 12:51:46,660 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 [2022-12-14 12:51:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,668 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 [2022-12-14 12:51:46,674 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 [2022-12-14 12:51:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,682 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 [2022-12-14 12:51:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,704 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 [2022-12-14 12:51:46,719 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 [2022-12-14 12:51:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,728 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 [2022-12-14 12:51:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,741 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 [2022-12-14 12:51:46,814 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:51:46,814 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 [2022-12-14 12:51:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,866 INFO L321 Elim1Store]: treesize reduction 91, result has 22.2 percent of original size [2022-12-14 12:51:46,866 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 [2022-12-14 12:51:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:46,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:46,892 INFO L321 Elim1Store]: treesize reduction 50, result has 20.6 percent of original size [2022-12-14 12:51:46,892 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 [2022-12-14 12:51:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,909 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 [2022-12-14 12:51:46,919 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 [2022-12-14 12:51:46,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,946 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 [2022-12-14 12:51:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,984 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:51:46,985 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 [2022-12-14 12:51:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,006 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-12-14 12:51:47,006 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 [2022-12-14 12:51:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,029 INFO L321 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-12-14 12:51:47,029 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 [2022-12-14 12:51:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,432 INFO L321 Elim1Store]: treesize reduction 373, result has 16.6 percent of original size [2022-12-14 12:51:47,432 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 [2022-12-14 12:51:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,479 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:51:47,479 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 [2022-12-14 12:51:47,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,543 INFO L321 Elim1Store]: treesize reduction 114, result has 15.6 percent of original size [2022-12-14 12:51:47,543 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 [2022-12-14 12:51:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,566 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 12:51:47,566 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 [2022-12-14 12:51:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,667 INFO L321 Elim1Store]: treesize reduction 400, result has 14.3 percent of original size [2022-12-14 12:51:47,668 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 [2022-12-14 12:51:47,706 INFO L321 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2022-12-14 12:51:47,706 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 [2022-12-14 12:51:47,741 INFO L321 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2022-12-14 12:51:47,742 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 [2022-12-14 12:51:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:47,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:47,952 INFO L321 Elim1Store]: treesize reduction 62, result has 25.3 percent of original size [2022-12-14 12:51:47,953 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 [2022-12-14 12:51:48,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,060 INFO L321 Elim1Store]: treesize reduction 193, result has 6.3 percent of original size [2022-12-14 12:51:48,060 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 [2022-12-14 12:51:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,192 INFO L321 Elim1Store]: treesize reduction 212, result has 15.9 percent of original size [2022-12-14 12:51:48,192 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 [2022-12-14 12:51:48,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,285 INFO L321 Elim1Store]: treesize reduction 267, result has 5.3 percent of original size [2022-12-14 12:51:48,285 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 [2022-12-14 12:51:48,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:48,384 INFO L321 Elim1Store]: treesize reduction 318, result has 11.7 percent of original size [2022-12-14 12:51:48,385 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 [2022-12-14 12:51:48,579 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 [2022-12-14 12:51:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,703 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:51:48,703 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 [2022-12-14 12:51:48,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,777 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-12-14 12:51:48,778 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 [2022-12-14 12:51:48,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,839 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:48,840 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 [2022-12-14 12:51:48,862 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 [2022-12-14 12:51:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,895 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 [2022-12-14 12:51:48,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:49,027 INFO L321 Elim1Store]: treesize reduction 186, result has 23.1 percent of original size [2022-12-14 12:51:49,028 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 [2022-12-14 12:51:49,115 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-12-14 12:51:49,115 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 [2022-12-14 12:51:49,229 INFO L321 Elim1Store]: treesize reduction 111, result has 37.6 percent of original size [2022-12-14 12:51:49,229 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 [2022-12-14 12:51:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,104 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:50,104 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 [2022-12-14 12:51:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,176 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:50,177 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 184 treesize of output 116 [2022-12-14 12:51:50,208 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-12-14 12:51:50,209 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 [2022-12-14 12:51:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,215 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 [2022-12-14 12:51:50,232 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 [2022-12-14 12:51:50,240 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 [2022-12-14 12:51:50,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,270 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 [2022-12-14 12:51:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,364 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:51:50,364 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 [2022-12-14 12:51:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:50,487 INFO L321 Elim1Store]: treesize reduction 130, result has 32.3 percent of original size [2022-12-14 12:51:50,487 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 [2022-12-14 12:51:50,571 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-12-14 12:51:50,572 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 [2022-12-14 12:51:50,750 INFO L321 Elim1Store]: treesize reduction 108, result has 39.3 percent of original size [2022-12-14 12:51:50,750 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 [2022-12-14 12:51:53,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,336 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 [2022-12-14 12:51:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,341 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 [2022-12-14 12:51:53,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,349 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 [2022-12-14 12:51:53,443 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 [2022-12-14 12:51:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,472 INFO L321 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-12-14 12:51:53,472 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 [2022-12-14 12:51:53,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,496 INFO L321 Elim1Store]: treesize reduction 26, result has 49.0 percent of original size [2022-12-14 12:51:53,496 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 [2022-12-14 12:51:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,657 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 [2022-12-14 12:51:53,664 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 [2022-12-14 12:51:53,702 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 [2022-12-14 12:51:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,722 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 12:51:53,722 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 9 case distinctions, treesize of input 269 treesize of output 259 [2022-12-14 12:51:53,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,746 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-12-14 12:51:53,746 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 [2022-12-14 12:51:53,931 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:51:53,931 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 [2022-12-14 12:51:53,944 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:51:53,945 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 [2022-12-14 12:51:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:53,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:53,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,008 INFO L321 Elim1Store]: treesize reduction 70, result has 11.4 percent of original size [2022-12-14 12:51:54,009 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 [2022-12-14 12:51:54,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,085 INFO L321 Elim1Store]: treesize reduction 187, result has 19.0 percent of original size [2022-12-14 12:51:54,086 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 [2022-12-14 12:51:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,125 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 [2022-12-14 12:51:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,196 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 12:51:54,196 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 [2022-12-14 12:51:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,230 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 12:51:54,230 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 [2022-12-14 12:51:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,245 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 [2022-12-14 12:51:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,269 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2022-12-14 12:51:54,270 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 [2022-12-14 12:51:54,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:54,299 INFO L321 Elim1Store]: treesize reduction 93, result has 7.0 percent of original size [2022-12-14 12:51:54,299 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 [2022-12-14 12:51:54,478 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 [2022-12-14 12:51:54,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,576 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:54,577 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 [2022-12-14 12:51:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,637 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:54,637 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 [2022-12-14 12:51:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:54,675 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-12-14 12:51:54,675 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 [2022-12-14 12:51:54,695 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 [2022-12-14 12:51:54,729 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 [2022-12-14 12:51:54,860 INFO L321 Elim1Store]: treesize reduction 137, result has 14.4 percent of original size [2022-12-14 12:51:54,861 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 [2022-12-14 12:51:55,092 INFO L321 Elim1Store]: treesize reduction 148, result has 32.1 percent of original size [2022-12-14 12:51:55,093 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 [2022-12-14 12:51:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:55,180 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-12-14 12:51:55,180 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 [2022-12-14 12:51:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:55,283 INFO L321 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2022-12-14 12:51:55,283 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 [2022-12-14 12:51:55,911 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 [2022-12-14 12:51:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,011 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:51:56,012 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 [2022-12-14 12:51:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,071 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:51:56,071 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 [2022-12-14 12:51:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,108 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-12-14 12:51:56,109 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 [2022-12-14 12:51:56,125 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 [2022-12-14 12:51:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,153 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 [2022-12-14 12:51:56,248 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:51:56,248 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 [2022-12-14 12:51:56,433 INFO L321 Elim1Store]: treesize reduction 119, result has 39.9 percent of original size [2022-12-14 12:51:56,433 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 195 treesize of output 223 [2022-12-14 12:51:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,480 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-12-14 12:51:56,480 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 [2022-12-14 12:51:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:56,537 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:51:56,538 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 [2022-12-14 12:51:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,103 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 [2022-12-14 12:51:57,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,113 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 [2022-12-14 12:51:57,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,120 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 [2022-12-14 12:51:57,181 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 [2022-12-14 12:51:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:57,310 INFO L321 Elim1Store]: treesize reduction 230, result has 32.0 percent of original size [2022-12-14 12:51:57,310 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 [2022-12-14 12:51:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:51:57,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:51:57,401 INFO L321 Elim1Store]: treesize reduction 134, result has 34.3 percent of original size [2022-12-14 12:51:57,402 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 [2022-12-14 12:52:00,022 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 [2022-12-14 12:52:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,082 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 [2022-12-14 12:52:00,292 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 [2022-12-14 12:52:00,299 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 [2022-12-14 12:52:00,301 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 [2022-12-14 12:52:00,349 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 [2022-12-14 12:52:00,353 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 [2022-12-14 12:52:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:00,528 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:52:00,528 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 [2022-12-14 12:52:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,620 INFO L321 Elim1Store]: treesize reduction 94, result has 47.8 percent of original size [2022-12-14 12:52:00,620 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 [2022-12-14 12:52:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:00,664 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:52:00,665 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 [2022-12-14 12:52:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:00,773 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-12-14 12:52:00,773 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 [2022-12-14 12:52:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:00,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:00,893 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:52:00,893 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 [2022-12-14 12:52:00,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:01,097 INFO L321 Elim1Store]: treesize reduction 130, result has 32.3 percent of original size [2022-12-14 12:52:01,097 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 [2022-12-14 12:52:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:01,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:01,180 INFO L321 Elim1Store]: treesize reduction 133, result has 12.5 percent of original size [2022-12-14 12:52:01,181 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 [2022-12-14 12:52:01,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:01,251 INFO L321 Elim1Store]: treesize reduction 132, result has 33.3 percent of original size [2022-12-14 12:52:01,252 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 [2022-12-14 12:52:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:08,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:08,948 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:52:08,948 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 [2022-12-14 12:52:08,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:09,025 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-12-14 12:52:09,026 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 [2022-12-14 12:52:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:09,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:09,075 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:52:09,075 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 [2022-12-14 12:52:09,095 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 [2022-12-14 12:52:09,103 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 [2022-12-14 12:52:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:09,136 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 [2022-12-14 12:52:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:09,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:09,268 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:52:09,268 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 [2022-12-14 12:52:09,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:09,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:09,393 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:52:09,394 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 [2022-12-14 12:52:09,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:09,564 INFO L321 Elim1Store]: treesize reduction 128, result has 35.4 percent of original size [2022-12-14 12:52:09,564 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 [2022-12-14 12:52:09,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:09,677 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:52:09,677 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 [2022-12-14 12:52:10,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:10,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:11,058 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:52:11,059 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 [2022-12-14 12:52:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:11,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:11,138 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:52:11,139 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 [2022-12-14 12:52:11,170 INFO L321 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2022-12-14 12:52:11,171 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 [2022-12-14 12:52:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:11,178 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 [2022-12-14 12:52:11,201 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 [2022-12-14 12:52:11,207 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 [2022-12-14 12:52:11,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:11,244 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 [2022-12-14 12:52:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:11,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:11,387 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:52:11,387 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 [2022-12-14 12:52:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:11,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:11,514 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:52:11,514 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 [2022-12-14 12:52:11,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:11,676 INFO L321 Elim1Store]: treesize reduction 123, result has 37.9 percent of original size [2022-12-14 12:52:11,676 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 [2022-12-14 12:52:11,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:11,815 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:52:11,816 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 239 treesize of output 194 [2022-12-14 12:52:12,297 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 12:52:12,297 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 [2022-12-14 12:52:12,318 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-12-14 12:52:12,318 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 [2022-12-14 12:52:12,336 INFO L321 Elim1Store]: treesize reduction 33, result has 48.4 percent of original size [2022-12-14 12:52:12,336 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 [2022-12-14 12:52:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:12,517 INFO L321 Elim1Store]: treesize reduction 218, result has 32.7 percent of original size [2022-12-14 12:52:12,517 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 [2022-12-14 12:52:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:12,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:12,585 INFO L321 Elim1Store]: treesize reduction 134, result has 34.3 percent of original size [2022-12-14 12:52:12,585 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 207 treesize of output 235 [2022-12-14 12:52:13,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:13,983 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 [2022-12-14 12:52:14,000 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 [2022-12-14 12:52:14,016 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 [2022-12-14 12:52:14,193 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 [2022-12-14 12:52:14,201 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 [2022-12-14 12:52:14,203 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 [2022-12-14 12:52:14,247 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 [2022-12-14 12:52:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:14,395 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:52:14,395 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 [2022-12-14 12:52:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,503 INFO L321 Elim1Store]: treesize reduction 94, result has 47.8 percent of original size [2022-12-14 12:52:14,504 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 [2022-12-14 12:52:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:14,562 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:52:14,562 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 [2022-12-14 12:52:14,603 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 [2022-12-14 12:52:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:14,691 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-12-14 12:52:14,692 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 [2022-12-14 12:52:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:14,891 INFO L321 Elim1Store]: treesize reduction 175, result has 21.9 percent of original size [2022-12-14 12:52:14,892 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 [2022-12-14 12:52:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:14,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:15,102 INFO L321 Elim1Store]: treesize reduction 201, result has 23.3 percent of original size [2022-12-14 12:52:15,103 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 [2022-12-14 12:52:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:15,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:15,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:15,247 INFO L321 Elim1Store]: treesize reduction 166, result has 19.0 percent of original size [2022-12-14 12:52:15,248 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 [2022-12-14 12:52:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:52:15,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:52:15,364 INFO L321 Elim1Store]: treesize reduction 137, result has 34.1 percent of original size [2022-12-14 12:52:15,365 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 [2022-12-14 12:53:04,322 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 [2022-12-14 12:53:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:04,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:04,459 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:53:04,459 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 [2022-12-14 12:53:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:04,534 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-12-14 12:53:04,534 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 [2022-12-14 12:53:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:04,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:04,580 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:53:04,580 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 [2022-12-14 12:53:04,603 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 [2022-12-14 12:53:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:04,640 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 [2022-12-14 12:53:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:04,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:04,960 INFO L321 Elim1Store]: treesize reduction 225, result has 24.5 percent of original size [2022-12-14 12:53:04,961 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 [2022-12-14 12:53:04,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:05,047 INFO L321 Elim1Store]: treesize reduction 113, result has 14.4 percent of original size [2022-12-14 12:53:05,047 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 [2022-12-14 12:53:05,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:05,166 INFO L321 Elim1Store]: treesize reduction 112, result has 37.1 percent of original size [2022-12-14 12:53:05,166 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 [2022-12-14 12:53:07,050 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 [2022-12-14 12:53:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:07,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:07,152 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:53:07,152 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 [2022-12-14 12:53:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:07,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:07,211 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:53:07,212 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 [2022-12-14 12:53:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:07,253 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-12-14 12:53:07,253 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 [2022-12-14 12:53:07,271 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 [2022-12-14 12:53:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:07,310 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 [2022-12-14 12:53:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:07,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:07,438 INFO L321 Elim1Store]: treesize reduction 121, result has 17.1 percent of original size [2022-12-14 12:53:07,438 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 [2022-12-14 12:53:07,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:07,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:07,542 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:53:07,543 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 [2022-12-14 12:53:07,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:07,711 INFO L321 Elim1Store]: treesize reduction 123, result has 37.9 percent of original size [2022-12-14 12:53:07,712 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 [2022-12-14 12:53:07,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:07,828 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:53:07,828 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 [2022-12-14 12:53:08,650 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 12:53:08,650 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 [2022-12-14 12:53:08,667 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-14 12:53:08,668 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 [2022-12-14 12:53:08,692 INFO L321 Elim1Store]: treesize reduction 39, result has 44.3 percent of original size [2022-12-14 12:53:08,692 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 [2022-12-14 12:53:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:08,770 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 [2022-12-14 12:53:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:08,775 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 [2022-12-14 12:53:08,964 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-12-14 12:53:08,964 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 [2022-12-14 12:53:09,084 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:53:09,084 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 [2022-12-14 12:53:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,107 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 [2022-12-14 12:53:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,124 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 [2022-12-14 12:53:09,147 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 12:53:09,147 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 [2022-12-14 12:53:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,160 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 134 treesize of output 121 [2022-12-14 12:53:09,438 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 [2022-12-14 12:53:09,442 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 [2022-12-14 12:53:09,445 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 [2022-12-14 12:53:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,607 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:53:09,608 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 [2022-12-14 12:53:09,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,669 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:53:09,669 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 [2022-12-14 12:53:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,714 INFO L321 Elim1Store]: treesize reduction 66, result has 40.5 percent of original size [2022-12-14 12:53:09,715 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 [2022-12-14 12:53:09,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,726 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:53:09,726 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 [2022-12-14 12:53:09,764 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 [2022-12-14 12:53:09,773 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 [2022-12-14 12:53:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:09,853 INFO L321 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2022-12-14 12:53:09,854 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 [2022-12-14 12:53:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:09,924 INFO L321 Elim1Store]: treesize reduction 175, result has 21.9 percent of original size [2022-12-14 12:53:09,924 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 [2022-12-14 12:53:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:09,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:53:09,986 INFO L321 Elim1Store]: treesize reduction 170, result has 21.7 percent of original size [2022-12-14 12:53:09,986 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 [2022-12-14 12:53:10,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:10,094 INFO L321 Elim1Store]: treesize reduction 185, result has 29.4 percent of original size [2022-12-14 12:53:10,094 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 [2022-12-14 12:53:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:53:10,176 INFO L321 Elim1Store]: treesize reduction 142, result has 31.7 percent of original size [2022-12-14 12:53:10,176 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 [2022-12-14 12:54:04,835 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 [2022-12-14 12:54:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:04,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:54:04,965 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:54:04,966 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 [2022-12-14 12:54:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:04,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:54:05,042 INFO L321 Elim1Store]: treesize reduction 88, result has 32.3 percent of original size [2022-12-14 12:54:05,042 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 [2022-12-14 12:54:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:05,095 INFO L321 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2022-12-14 12:54:05,096 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 [2022-12-14 12:54:05,123 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 [2022-12-14 12:54:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:05,171 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 [2022-12-14 12:54:05,262 INFO L321 Elim1Store]: treesize reduction 137, result has 14.4 percent of original size [2022-12-14 12:54:05,262 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 [2022-12-14 12:54:05,380 INFO L321 Elim1Store]: treesize reduction 148, result has 32.1 percent of original size [2022-12-14 12:54:05,380 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 [2022-12-14 12:54:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:05,455 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-12-14 12:54:05,456 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 [2022-12-14 12:54:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:05,532 INFO L321 Elim1Store]: treesize reduction 108, result has 26.0 percent of original size [2022-12-14 12:54:05,533 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 [2022-12-14 12:54:06,279 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 [2022-12-14 12:54:06,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:06,418 INFO L321 Elim1Store]: treesize reduction 112, result has 32.5 percent of original size [2022-12-14 12:54:06,418 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 [2022-12-14 12:54:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:06,497 INFO L321 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2022-12-14 12:54:06,498 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 [2022-12-14 12:54:06,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:06,551 INFO L321 Elim1Store]: treesize reduction 106, result has 32.1 percent of original size [2022-12-14 12:54:06,552 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 [2022-12-14 12:54:06,571 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 [2022-12-14 12:54:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:54:06,612 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 [2022-12-14 12:54:06,725 INFO L321 Elim1Store]: treesize reduction 117, result has 16.4 percent of original size [2022-12-14 12:54:06,726 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 [2022-12-14 12:54:06,835 INFO L321 Elim1Store]: treesize reduction 120, result has 39.4 percent of original size [2022-12-14 12:54:06,836 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 [2022-12-14 12:54:06,891 INFO L321 Elim1Store]: treesize reduction 89, result has 14.4 percent of original size [2022-12-14 12:54:06,891 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 [2022-12-14 12:54:06,977 INFO L321 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2022-12-14 12:54:06,977 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 [2022-12-14 12:54:08,699 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:54:10,986 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 [2022-12-14 12:54:10,986 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:54:10,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:54:10,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2022-12-14 12:54:10,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989077648] [2022-12-14 12:54:10,986 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 12:54:10,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 12:54:10,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:54:10,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 12:54:10,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=796, Unknown=1, NotChecked=0, Total=930 [2022-12-14 12:54:10,987 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) [2022-12-14 12:54:18,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-12-14 12:54:20,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-12-14 12:54:29,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:54:29,856 INFO L93 Difference]: Finished difference Result 198 states and 228 transitions. [2022-12-14 12:54:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-12-14 12:54:29,856 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 [2022-12-14 12:54:29,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:54:29,857 INFO L225 Difference]: With dead ends: 198 [2022-12-14 12:54:29,857 INFO L226 Difference]: Without dead ends: 197 [2022-12-14 12:54:29,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 47 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=740, Invalid=3165, Unknown=1, NotChecked=0, Total=3906 [2022-12-14 12:54:29,860 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 227 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 28 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:54:29,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 62 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 12:54:29,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-12-14 12:54:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 164. [2022-12-14 12:54:29,870 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) [2022-12-14 12:54:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 194 transitions. [2022-12-14 12:54:29,871 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 194 transitions. Word has length 28 [2022-12-14 12:54:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:54:29,871 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 194 transitions. [2022-12-14 12:54:29,871 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) [2022-12-14 12:54:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions. [2022-12-14 12:54:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 12:54:29,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:54:29,873 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:54:29,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-14 12:54:30,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 12:54:30,075 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)] === [2022-12-14 12:54:30,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:54:30,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1146485602, now seen corresponding path program 2 times [2022-12-14 12:54:30,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:54:30,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570963866] [2022-12-14 12:54:30,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:54:30,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:54:30,142 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:54:30,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164359634] [2022-12-14 12:54:30,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:54:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:54:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:54:30,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:54:30,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 12:54:30,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:54:30,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:54:30,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:54:30,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:54:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 12:54:30,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:54:30,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:54:30,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570963866] [2022-12-14 12:54:30,311 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:54:30,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164359634] [2022-12-14 12:54:30,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164359634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:54:30,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:54:30,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:54:30,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255351711] [2022-12-14 12:54:30,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:54:30,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:54:30,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:54:30,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:54:30,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:54:30,312 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) [2022-12-14 12:54:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:54:30,372 INFO L93 Difference]: Finished difference Result 164 states and 194 transitions. [2022-12-14 12:54:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:54:30,373 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 [2022-12-14 12:54:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:54:30,374 INFO L225 Difference]: With dead ends: 164 [2022-12-14 12:54:30,374 INFO L226 Difference]: Without dead ends: 163 [2022-12-14 12:54:30,374 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 [2022-12-14 12:54:30,374 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:54:30,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:54:30,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-12-14 12:54:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 109. [2022-12-14 12:54:30,386 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) [2022-12-14 12:54:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 123 transitions. [2022-12-14 12:54:30,386 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 123 transitions. Word has length 35 [2022-12-14 12:54:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:54:30,386 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 123 transitions. [2022-12-14 12:54:30,386 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) [2022-12-14 12:54:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 123 transitions. [2022-12-14 12:54:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 12:54:30,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:54:30,387 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1] [2022-12-14 12:54:30,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 12:54:30,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:54:30,588 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)] === [2022-12-14 12:54:30,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:54:30,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1997358722, now seen corresponding path program 2 times [2022-12-14 12:54:30,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:54:30,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657889472] [2022-12-14 12:54:30,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:54:30,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:54:30,621 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:54:30,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [480937227] [2022-12-14 12:54:30,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:54:30,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:54:30,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:54:30,622 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:54:30,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 12:54:31,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 12:54:31,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:54:31,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 12:54:31,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:54:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 12:54:31,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:54:31,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:54:31,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657889472] [2022-12-14 12:54:31,868 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:54:31,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480937227] [2022-12-14 12:54:31,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480937227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:54:31,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:54:31,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 12:54:31,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218067766] [2022-12-14 12:54:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:54:31,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 12:54:31,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:54:31,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 12:54:31,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-14 12:54:31,869 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) [2022-12-14 12:54:32,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:54:32,292 INFO L93 Difference]: Finished difference Result 137 states and 155 transitions. [2022-12-14 12:54:32,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 12:54:32,293 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 [2022-12-14 12:54:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:54:32,293 INFO L225 Difference]: With dead ends: 137 [2022-12-14 12:54:32,293 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:54:32,294 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 [2022-12-14 12:54:32,294 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:54:32,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 5 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:54:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:54:32,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:54:32,294 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) [2022-12-14 12:54:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:54:32,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-12-14 12:54:32,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:54:32,295 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:54:32,295 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) [2022-12-14 12:54:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:54:32,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:54:32,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-14 12:54:32,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-14 12:54:32,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 12:54:32,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 12:54:32,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:54:33,108 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-12-14 12:54:33,108 INFO L895 garLoopResultBuilder]: At program point L572-1(lines 572 585) 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))) [2022-12-14 12:54:33,108 INFO L899 garLoopResultBuilder]: For program point L539-3(lines 539 571) no Hoare annotation was computed. [2022-12-14 12:54:33,108 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-12-14 12:54:33,108 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-12-14 12:54:33,108 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-12-14 12:54:33,108 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L573-1(line 573) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L540-1(line 540) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L550-3(lines 550 561) no Hoare annotation was computed. [2022-12-14 12:54:33,109 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|)))) [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L550-6(lines 550 561) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point L551-1(line 551) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 551) no Hoare annotation was computed. [2022-12-14 12:54:33,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 548) no Hoare annotation was computed. [2022-12-14 12:54:33,110 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))))) [2022-12-14 12:54:33,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2022-12-14 12:54:33,110 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)) [2022-12-14 12:54:33,112 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:54:33,113 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:54:33,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:54:33 BoogieIcfgContainer [2022-12-14 12:54:33,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:54:33,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:54:33,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:54:33,127 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:54:33,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:50:20" (3/4) ... [2022-12-14 12:54:33,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:54:33,138 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 12:54:33,138 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 12:54:33,139 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 12:54:33,139 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:54:33,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:54:33,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:54:33,167 INFO L158 Benchmark]: Toolchain (without parser) took 253579.95ms. Allocated memory was 121.6MB in the beginning and 553.6MB in the end (delta: 432.0MB). Free memory was 86.5MB in the beginning and 278.2MB in the end (delta: -191.7MB). Peak memory consumption was 243.4MB. Max. memory is 16.1GB. [2022-12-14 12:54:33,167 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:54:33,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.48ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 69.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 12:54:33,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 67.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:54:33,167 INFO L158 Benchmark]: Boogie Preprocessor took 28.66ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 65.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:54:33,167 INFO L158 Benchmark]: RCFGBuilder took 408.99ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 65.5MB in the beginning and 120.0MB in the end (delta: -54.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-12-14 12:54:33,168 INFO L158 Benchmark]: TraceAbstraction took 252730.71ms. Allocated memory was 151.0MB in the beginning and 553.6MB in the end (delta: 402.7MB). Free memory was 119.3MB in the beginning and 282.4MB in the end (delta: -163.1MB). Peak memory consumption was 240.0MB. Max. memory is 16.1GB. [2022-12-14 12:54:33,168 INFO L158 Benchmark]: Witness Printer took 40.63ms. Allocated memory is still 553.6MB. Free memory was 282.4MB in the beginning and 278.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:54:33,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.48ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 69.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 67.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.66ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 65.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.99ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 65.5MB in the beginning and 120.0MB in the end (delta: -54.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 252730.71ms. Allocated memory was 151.0MB in the beginning and 553.6MB in the end (delta: 402.7MB). Free memory was 119.3MB in the beginning and 282.4MB in the end (delta: -163.1MB). Peak memory consumption was 240.0MB. Max. memory is 16.1GB. * Witness Printer took 40.63ms. Allocated memory is still 553.6MB. Free memory was 282.4MB in the beginning and 278.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 252.7s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 597 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 597 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1474 IncrementalHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 186 mSDtfsCounter, 1474 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 442 GetRequests, 234 SyntacticMatches, 18 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1801 ImplicationChecksByTransitivity, 20.9s 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, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.2s 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: 4.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME: 4.1s, 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: 4.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 1.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME: 0.1s, 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: 2.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.8s, 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: 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) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: c1 == 0 || (c1 <= 1073741823 && c2 == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 12:54:33,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ba3d7e-04a2-443f-a446-9af255de6556/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE