./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:06:36,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:06:36,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:06:36,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:06:36,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:06:36,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:06:36,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:06:36,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:06:36,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:06:36,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:06:36,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:06:36,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:06:36,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:06:36,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:06:36,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:06:36,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:06:36,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:06:36,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:06:36,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:06:36,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:06:36,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:06:36,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:06:36,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:06:36,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:06:36,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:06:36,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:06:36,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:06:36,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:06:36,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:06:36,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:06:36,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:06:36,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:06:36,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:06:36,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:06:36,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:06:36,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:06:36,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:06:36,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:06:36,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:06:36,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:06:36,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:06:36,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:06:36,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:06:36,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:06:36,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:06:36,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:06:36,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:06:36,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:06:36,553 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:06:36,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:06:36,553 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:06:36,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:06:36,554 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:06:36,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:06:36,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:06:36,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:06:36,555 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:06:36,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:06:36,556 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:06:36,556 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:06:36,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:06:36,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:06:36,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:06:36,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:06:36,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:06:36,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:06:36,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:06:36,558 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:06:36,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:06:36,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:06:36,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:06:36,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:06:36,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:06:36,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:06:36,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:06:36,560 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:06:36,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:06:36,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:06:36,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:06:36,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:06:36,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:06:36,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:06:36,562 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_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 [2022-11-26 00:06:36,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:06:36,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:06:36,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:06:36,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:06:36,849 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:06:36,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2022-11-26 00:06:39,960 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:06:40,352 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:06:40,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/sv-benchmarks/c/busybox-1.22.0/hostid.i [2022-11-26 00:06:40,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/data/f6927141a/a0001ed555014361a739ea0e038a1acc/FLAGdf2101e6f [2022-11-26 00:06:40,409 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/data/f6927141a/a0001ed555014361a739ea0e038a1acc [2022-11-26 00:06:40,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:06:40,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:06:40,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:06:40,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:06:40,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:06:40,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:40" (1/1) ... [2022-11-26 00:06:40,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3904457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:40, skipping insertion in model container [2022-11-26 00:06:40,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:40" (1/1) ... [2022-11-26 00:06:40,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:06:40,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:06:41,410 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:06:41,415 WARN L623 FunctionHandler]: Unknown extern function gethostid [2022-11-26 00:06:41,434 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-11-26 00:06:41,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:06:41,468 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:06:41,525 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:06:41,527 WARN L623 FunctionHandler]: Unknown extern function gethostid [2022-11-26 00:06:41,535 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-11-26 00:06:41,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:06:41,721 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:06:41,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41 WrapperNode [2022-11-26 00:06:41,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:06:41,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:06:41,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:06:41,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:06:41,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,820 INFO L138 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 138 [2022-11-26 00:06:41,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:06:41,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:06:41,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:06:41,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:06:41,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:06:41,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:06:41,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:06:41,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:06:41,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (1/1) ... [2022-11-26 00:06:41,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:06:41,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:41,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:06:41,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:06:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:06:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:06:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-26 00:06:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:06:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:06:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:06:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:06:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:06:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:06:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:06:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:06:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:06:42,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:06:42,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:06:42,639 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:06:42,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:06:42,724 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 00:06:42,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:42 BoogieIcfgContainer [2022-11-26 00:06:42,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:06:42,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:06:42,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:06:42,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:06:42,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:06:40" (1/3) ... [2022-11-26 00:06:42,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568e3d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:42, skipping insertion in model container [2022-11-26 00:06:42,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:41" (2/3) ... [2022-11-26 00:06:42,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568e3d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:42, skipping insertion in model container [2022-11-26 00:06:42,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:42" (3/3) ... [2022-11-26 00:06:42,742 INFO L112 eAbstractionObserver]: Analyzing ICFG hostid.i [2022-11-26 00:06:42,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:06:42,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-26 00:06:42,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:06:42,834 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;@5b15c0dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:06:42,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-26 00:06:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 30 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-26 00:06:42,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:42,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-26 00:06:42,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:42,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash 134862, now seen corresponding path program 1 times [2022-11-26 00:06:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:42,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853251364] [2022-11-26 00:06:42,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:43,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:43,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853251364] [2022-11-26 00:06:43,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853251364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:43,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:43,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:06:43,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174233533] [2022-11-26 00:06:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:43,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:43,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:43,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:43,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:43,402 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 30 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:43,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:43,498 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-11-26 00:06:43,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:43,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-26 00:06:43,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:43,511 INFO L225 Difference]: With dead ends: 65 [2022-11-26 00:06:43,512 INFO L226 Difference]: Without dead ends: 35 [2022-11-26 00:06:43,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:43,518 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:43,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:06:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-26 00:06:43,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-26 00:06:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 32 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2022-11-26 00:06:43,554 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 3 [2022-11-26 00:06:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:43,554 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2022-11-26 00:06:43,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-11-26 00:06:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:06:43,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:43,556 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-26 00:06:43,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:06:43,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:43,557 INFO L85 PathProgramCache]: Analyzing trace with hash -277248926, now seen corresponding path program 1 times [2022-11-26 00:06:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:43,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657622535] [2022-11-26 00:06:43,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:43,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:43,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:43,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657622535] [2022-11-26 00:06:43,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657622535] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:43,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616498283] [2022-11-26 00:06:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:43,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:43,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:43,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:43,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:06:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:43,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:06:43,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:43,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:43,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616498283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:43,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:43,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-11-26 00:06:43,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983659631] [2022-11-26 00:06:43,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:43,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:06:43,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:43,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:06:43,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:43,935 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:43,993 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2022-11-26 00:06:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:06:43,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-26 00:06:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:43,998 INFO L225 Difference]: With dead ends: 35 [2022-11-26 00:06:43,999 INFO L226 Difference]: Without dead ends: 34 [2022-11-26 00:06:43,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:44,001 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:44,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 27 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:44,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-26 00:06:44,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-26 00:06:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-11-26 00:06:44,012 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 6 [2022-11-26 00:06:44,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:44,012 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-11-26 00:06:44,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-11-26 00:06:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:06:44,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:44,013 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-26 00:06:44,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:06:44,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:44,219 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash -4782069, now seen corresponding path program 1 times [2022-11-26 00:06:44,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:44,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164477008] [2022-11-26 00:06:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:44,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:44,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164477008] [2022-11-26 00:06:44,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164477008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:44,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:44,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:06:44,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956117549] [2022-11-26 00:06:44,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:44,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:44,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:44,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:44,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:44,356 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:44,390 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2022-11-26 00:06:44,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:44,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 00:06:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:44,393 INFO L225 Difference]: With dead ends: 34 [2022-11-26 00:06:44,393 INFO L226 Difference]: Without dead ends: 33 [2022-11-26 00:06:44,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:44,397 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:44,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:44,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-26 00:06:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2022-11-26 00:06:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-11-26 00:06:44,409 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 7 [2022-11-26 00:06:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:44,410 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-11-26 00:06:44,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:06:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-26 00:06:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:06:44,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:44,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:44,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:06:44,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:44,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash -201735823, now seen corresponding path program 1 times [2022-11-26 00:06:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:44,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442151002] [2022-11-26 00:06:44,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:44,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:44,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:44,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442151002] [2022-11-26 00:06:44,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442151002] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:44,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174194550] [2022-11-26 00:06:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:44,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:44,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:44,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:44,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:06:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:44,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:06:44,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:44,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:06:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:44,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174194550] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:06:44,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1705855264] [2022-11-26 00:06:44,849 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-26 00:06:44,849 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:06:44,853 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:06:44,859 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:06:44,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:06:45,015 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-26 00:06:45,016 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 22 treesize of output 42 [2022-11-26 00:06:45,103 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:06:45,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-26 00:06:45,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-26 00:06:45,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-26 00:06:45,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-26 00:06:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,221 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 18 treesize of output 22 [2022-11-26 00:06:45,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2022-11-26 00:06:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:06:45,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,707 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-26 00:06:45,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 323 treesize of output 302 [2022-11-26 00:06:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:45,743 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:45,745 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 1 case distinctions, treesize of input 304 treesize of output 297 [2022-11-26 00:06:45,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,928 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 13 treesize of output 9 [2022-11-26 00:06:45,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:45,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:46,101 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-26 00:06:46,112 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:06:46,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1705855264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:46,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:06:46,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 3, 4] total 13 [2022-11-26 00:06:46,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860535608] [2022-11-26 00:06:46,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:46,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:06:46,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:46,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:06:46,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:46,493 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:46,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:46,704 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-11-26 00:06:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:06:46,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-26 00:06:46,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:46,706 INFO L225 Difference]: With dead ends: 31 [2022-11-26 00:06:46,706 INFO L226 Difference]: Without dead ends: 27 [2022-11-26 00:06:46,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:06:46,707 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 44 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:46,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 66 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:06:46,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-26 00:06:46,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-26 00:06:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-26 00:06:46,715 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 9 [2022-11-26 00:06:46,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:46,715 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-26 00:06:46,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:46,716 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-26 00:06:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:06:46,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:46,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:46,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:46,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:46,917 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:46,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:46,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1596234183, now seen corresponding path program 1 times [2022-11-26 00:06:46,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:46,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422636154] [2022-11-26 00:06:46,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:46,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:47,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:47,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422636154] [2022-11-26 00:06:47,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422636154] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:47,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465682560] [2022-11-26 00:06:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:47,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:47,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:47,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:47,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:06:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:47,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:47,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:47,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:47,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465682560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:47,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:47,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:47,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047173086] [2022-11-26 00:06:47,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:47,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:47,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:47,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:47,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:47,324 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:47,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:47,355 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-11-26 00:06:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:47,355 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-26 00:06:47,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:47,356 INFO L225 Difference]: With dead ends: 27 [2022-11-26 00:06:47,356 INFO L226 Difference]: Without dead ends: 26 [2022-11-26 00:06:47,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:47,357 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:47,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 26 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:47,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-26 00:06:47,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-26 00:06:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-11-26 00:06:47,365 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 15 [2022-11-26 00:06:47,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:47,365 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-11-26 00:06:47,365 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-26 00:06:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:06:47,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:47,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:47,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:47,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:47,574 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:47,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1596236546, now seen corresponding path program 1 times [2022-11-26 00:06:47,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:47,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080858010] [2022-11-26 00:06:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:47,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:47,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080858010] [2022-11-26 00:06:47,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080858010] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:47,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981184510] [2022-11-26 00:06:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:47,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:47,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:47,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:06:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:47,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:47,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:48,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:48,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981184510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:48,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:48,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:48,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558404899] [2022-11-26 00:06:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:48,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:48,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:48,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:48,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:48,010 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:48,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:48,037 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-11-26 00:06:48,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:48,037 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-26 00:06:48,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:48,038 INFO L225 Difference]: With dead ends: 32 [2022-11-26 00:06:48,038 INFO L226 Difference]: Without dead ends: 31 [2022-11-26 00:06:48,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:48,039 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:48,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 38 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:48,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-26 00:06:48,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2022-11-26 00:06:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-26 00:06:48,047 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 15 [2022-11-26 00:06:48,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:48,047 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-26 00:06:48,047 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-26 00:06:48,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:06:48,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:48,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:48,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-26 00:06:48,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 00:06:48,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:48,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:48,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1596155535, now seen corresponding path program 1 times [2022-11-26 00:06:48,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:48,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934224331] [2022-11-26 00:06:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:48,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:48,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:48,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934224331] [2022-11-26 00:06:48,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934224331] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:48,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685192625] [2022-11-26 00:06:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:48,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:48,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:48,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:48,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:06:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:48,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:48,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:48,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:48,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685192625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:48,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:48,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205352931] [2022-11-26 00:06:48,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:48,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:48,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:48,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:48,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:48,567 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:48,587 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-11-26 00:06:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:48,588 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-26 00:06:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:48,589 INFO L225 Difference]: With dead ends: 25 [2022-11-26 00:06:48,589 INFO L226 Difference]: Without dead ends: 24 [2022-11-26 00:06:48,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:48,590 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:48,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:48,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-26 00:06:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-26 00:06:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-11-26 00:06:48,597 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2022-11-26 00:06:48,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:48,597 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-11-26 00:06:48,597 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-26 00:06:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:06:48,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:48,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:48,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:48,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 00:06:48,806 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:48,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:48,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2056347965, now seen corresponding path program 1 times [2022-11-26 00:06:48,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:48,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354270076] [2022-11-26 00:06:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:48,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:48,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:48,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354270076] [2022-11-26 00:06:48,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354270076] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:48,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416268095] [2022-11-26 00:06:48,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:48,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:48,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:48,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:48,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:06:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:49,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:49,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:49,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:49,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416268095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:49,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:49,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:49,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754548984] [2022-11-26 00:06:49,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:49,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:49,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:49,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:49,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:49,205 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:49,256 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2022-11-26 00:06:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:49,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-26 00:06:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:49,261 INFO L225 Difference]: With dead ends: 36 [2022-11-26 00:06:49,261 INFO L226 Difference]: Without dead ends: 35 [2022-11-26 00:06:49,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:49,263 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:49,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 32 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:49,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-26 00:06:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-11-26 00:06:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.36) internal successors, (34), 27 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-26 00:06:49,279 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 16 [2022-11-26 00:06:49,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:49,279 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-26 00:06:49,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-26 00:06:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:06:49,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:49,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:49,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:49,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-26 00:06:49,481 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:49,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:49,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2056274705, now seen corresponding path program 1 times [2022-11-26 00:06:49,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:49,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542351258] [2022-11-26 00:06:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:49,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:49,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:49,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542351258] [2022-11-26 00:06:49,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542351258] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:49,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708349386] [2022-11-26 00:06:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:49,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:49,603 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:49,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:06:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:49,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:49,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:49,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:49,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708349386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:49,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:49,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:49,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307586861] [2022-11-26 00:06:49,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:49,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:49,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:49,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:49,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:49,851 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:49,880 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-11-26 00:06:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:49,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-26 00:06:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:49,881 INFO L225 Difference]: With dead ends: 50 [2022-11-26 00:06:49,881 INFO L226 Difference]: Without dead ends: 36 [2022-11-26 00:06:49,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:49,882 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:49,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:49,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-26 00:06:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-26 00:06:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 33 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-11-26 00:06:49,891 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 16 [2022-11-26 00:06:49,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:49,891 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-11-26 00:06:49,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-11-26 00:06:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:06:49,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:49,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:49,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:50,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:50,112 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:50,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:50,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2058786085, now seen corresponding path program 1 times [2022-11-26 00:06:50,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:50,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089334542] [2022-11-26 00:06:50,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:50,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:06:50,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:50,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089334542] [2022-11-26 00:06:50,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089334542] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:50,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113960169] [2022-11-26 00:06:50,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:50,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:50,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:50,221 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:50,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:06:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:50,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:50,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:06:50,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:50,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113960169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:50,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:50,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:50,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665805183] [2022-11-26 00:06:50,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:50,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:50,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:50,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:50,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:50,440 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:50,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:50,469 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-26 00:06:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:50,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-26 00:06:50,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:50,470 INFO L225 Difference]: With dead ends: 40 [2022-11-26 00:06:50,471 INFO L226 Difference]: Without dead ends: 39 [2022-11-26 00:06:50,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:50,472 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:50,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:50,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-26 00:06:50,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-26 00:06:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 36 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-26 00:06:50,487 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 16 [2022-11-26 00:06:50,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:50,487 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-26 00:06:50,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-26 00:06:50,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:06:50,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:50,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:50,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:50,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 00:06:50,697 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:50,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:50,697 INFO L85 PathProgramCache]: Analyzing trace with hash -638732613, now seen corresponding path program 1 times [2022-11-26 00:06:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:50,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689289825] [2022-11-26 00:06:50,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:50,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:06:50,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:50,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689289825] [2022-11-26 00:06:50,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689289825] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:50,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424514929] [2022-11-26 00:06:50,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:50,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:50,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:50,873 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:50,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:06:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:51,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:06:51,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:06:51,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:51,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424514929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:51,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:51,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:06:51,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341098861] [2022-11-26 00:06:51,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:51,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:51,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:51,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:51,149 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:51,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:51,188 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-26 00:06:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:51,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-26 00:06:51,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:51,189 INFO L225 Difference]: With dead ends: 39 [2022-11-26 00:06:51,189 INFO L226 Difference]: Without dead ends: 38 [2022-11-26 00:06:51,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:51,190 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:51,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:06:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-26 00:06:51,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2022-11-26 00:06:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-11-26 00:06:51,199 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 19 [2022-11-26 00:06:51,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:51,199 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-11-26 00:06:51,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-11-26 00:06:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:06:51,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:51,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:51,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-26 00:06:51,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:51,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1163383662, now seen corresponding path program 1 times [2022-11-26 00:06:51,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:51,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819755290] [2022-11-26 00:06:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:06:51,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:51,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819755290] [2022-11-26 00:06:51,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819755290] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:51,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240114993] [2022-11-26 00:06:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:51,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:51,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 00:06:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:51,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:06:51,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:06:51,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:06:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:06:51,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240114993] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:06:51,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [704585350] [2022-11-26 00:06:51,752 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-26 00:06:51,752 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:06:51,753 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:06:51,753 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:06:51,753 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:06:51,813 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-26 00:06:51,813 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 22 treesize of output 42 [2022-11-26 00:06:51,882 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:06:51,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-26 00:06:51,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:51,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:51,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-26 00:06:51,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-26 00:06:51,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-26 00:06:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:51,966 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 18 treesize of output 22 [2022-11-26 00:06:51,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:51,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:52,116 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-26 00:06:52,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 285 treesize of output 272 [2022-11-26 00:06:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:52,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 274 [2022-11-26 00:06:52,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,277 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 13 treesize of output 9 [2022-11-26 00:06:52,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,308 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 13 treesize of output 9 [2022-11-26 00:06:52,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:52,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:06:52,397 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 12 treesize of output 11 [2022-11-26 00:06:52,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:06:52,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:06:52,461 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:06:52,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:06:52,481 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 23 treesize of output 1 [2022-11-26 00:06:52,496 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 24 treesize of output 26 [2022-11-26 00:06:52,533 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-26 00:06:52,542 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:06:53,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [704585350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:53,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:06:53,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-26 00:06:53,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30488265] [2022-11-26 00:06:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:53,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:06:53,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:53,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:06:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:06:53,187 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:53,418 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-11-26 00:06:53,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:06:53,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-26 00:06:53,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:53,419 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:06:53,419 INFO L226 Difference]: Without dead ends: 34 [2022-11-26 00:06:53,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:06:53,420 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:53,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 33 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:06:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-26 00:06:53,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-26 00:06:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.2) internal successors, (36), 31 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-11-26 00:06:53,433 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 19 [2022-11-26 00:06:53,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:53,433 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-26 00:06:53,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:06:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-26 00:06:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:06:53,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:53,435 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:53,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:53,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-26 00:06:53,642 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:06:53,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:53,643 INFO L85 PathProgramCache]: Analyzing trace with hash 430917287, now seen corresponding path program 1 times [2022-11-26 00:06:53,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:53,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25949482] [2022-11-26 00:06:53,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:53,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:06:53,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:53,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25949482] [2022-11-26 00:06:53,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25949482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:53,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775234608] [2022-11-26 00:06:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:53,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:53,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:53,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:53,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 00:06:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:54,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:06:54,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:06:54,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:06:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:06:54,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775234608] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:06:54,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1047575209] [2022-11-26 00:06:54,169 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-26 00:06:54,170 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:06:54,170 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:06:54,170 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:06:54,170 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:06:54,229 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-26 00:06:54,229 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 22 treesize of output 42 [2022-11-26 00:06:54,287 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:06:54,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-26 00:06:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-26 00:06:54,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-26 00:06:54,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-26 00:06:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,359 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 18 treesize of output 22 [2022-11-26 00:06:54,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,526 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-26 00:06:54,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 285 treesize of output 272 [2022-11-26 00:06:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 274 [2022-11-26 00:06:54,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,706 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 13 treesize of output 9 [2022-11-26 00:06:54,722 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 13 treesize of output 9 [2022-11-26 00:06:54,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:06:54,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:06:54,796 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 12 treesize of output 11 [2022-11-26 00:06:54,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:06:54,834 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 23 treesize of output 1 [2022-11-26 00:06:54,861 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:06:54,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:06:54,872 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 15 treesize of output 11 [2022-11-26 00:06:54,882 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 24 treesize of output 26 [2022-11-26 00:06:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:06:55,000 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:06:55,001 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:06:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:06:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 38 [2022-11-26 00:06:55,159 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:06:55,160 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:06:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:55,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:55,242 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:06:55,243 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:06:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,269 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 53 treesize of output 44 [2022-11-26 00:06:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:06:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 194 [2022-11-26 00:06:55,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-26 00:06:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-26 00:06:55,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:55,684 INFO L321 Elim1Store]: treesize reduction 250, result has 12.0 percent of original size [2022-11-26 00:06:55,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 787 treesize of output 547 [2022-11-26 00:06:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:55,772 INFO L321 Elim1Store]: treesize reduction 194, result has 19.8 percent of original size [2022-11-26 00:06:55,773 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 7 case distinctions, treesize of input 669 treesize of output 608 [2022-11-26 00:06:55,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:55,860 INFO L321 Elim1Store]: treesize reduction 238, result has 12.5 percent of original size [2022-11-26 00:06:55,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 743 treesize of output 671 [2022-11-26 00:06:56,075 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:56,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:56,107 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:56,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:56,120 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 11 treesize of output 7 [2022-11-26 00:06:56,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,326 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:06:56,327 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:06:56,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,372 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:06:56,372 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:06:56,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,412 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:06:56,412 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:06:56,422 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 14 treesize of output 13 [2022-11-26 00:06:56,432 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 28 treesize of output 17 [2022-11-26 00:06:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,468 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:56,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:06:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,484 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 53 treesize of output 44 [2022-11-26 00:06:56,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,522 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:56,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:06:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,570 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:56,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-26 00:06:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 78 [2022-11-26 00:06:56,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,640 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:56,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-26 00:06:56,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,785 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:06:56,785 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 561 treesize of output 358 [2022-11-26 00:06:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:56,859 INFO L321 Elim1Store]: treesize reduction 202, result has 15.1 percent of original size [2022-11-26 00:06:56,860 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 443 treesize of output 366 [2022-11-26 00:06:56,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:56,908 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:56,909 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 535 treesize of output 452 [2022-11-26 00:06:57,066 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:57,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:57,104 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:57,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:57,117 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 11 treesize of output 7 [2022-11-26 00:06:57,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,333 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:06:57,334 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:06:57,345 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 14 treesize of output 13 [2022-11-26 00:06:57,355 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 28 treesize of output 17 [2022-11-26 00:06:57,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,399 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:06:57,399 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:06:57,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,445 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:06:57,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:06:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,511 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:57,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:06:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,533 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 53 treesize of output 44 [2022-11-26 00:06:57,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,576 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:57,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:06:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,663 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:57,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:06:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:57,691 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 101 treesize of output 75 [2022-11-26 00:06:57,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:57,734 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:57,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:06:57,858 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:57,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:57,898 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:57,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:57,910 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 11 treesize of output 7 [2022-11-26 00:06:58,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,161 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:06:58,161 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:06:58,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,209 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:06:58,210 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:06:58,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,256 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:06:58,257 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:06:58,270 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 28 treesize of output 17 [2022-11-26 00:06:58,281 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 14 treesize of output 13 [2022-11-26 00:06:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,334 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:58,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:06:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,351 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 53 treesize of output 44 [2022-11-26 00:06:58,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,396 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:58,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:06:58,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,469 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:58,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:06:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:58,490 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 101 treesize of output 75 [2022-11-26 00:06:58,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,536 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:58,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:06:58,657 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:58,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:58,694 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:58,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:58,706 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 13 treesize of output 9 [2022-11-26 00:06:58,792 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:58,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:58,829 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:58,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:58,840 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 11 treesize of output 7 [2022-11-26 00:06:58,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:58,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,089 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:06:59,089 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:06:59,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,133 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:06:59,133 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:06:59,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,173 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:06:59,173 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:06:59,189 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 28 treesize of output 17 [2022-11-26 00:06:59,199 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 14 treesize of output 13 [2022-11-26 00:06:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,258 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:59,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:06:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,277 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 53 treesize of output 44 [2022-11-26 00:06:59,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,324 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:59,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:06:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,415 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:06:59,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-26 00:06:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:59,437 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 107 treesize of output 78 [2022-11-26 00:06:59,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:59,484 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:06:59,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-26 00:06:59,597 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:59,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:59,636 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:59,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:59,648 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 11 treesize of output 7 [2022-11-26 00:06:59,831 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:06:59,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:06:59,866 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:06:59,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:06:59,877 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 11 treesize of output 7 [2022-11-26 00:06:59,929 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-26 00:06:59,937 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:01,143 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1806#(and (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (< 2147483646 |ULTIMATE.start_main_~i~4#1|) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= 3 |~#dummy_utmp~0.base|) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:07:01,143 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:07:01,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:07:01,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2022-11-26 00:07:01,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996144546] [2022-11-26 00:07:01,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:07:01,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:07:01,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:01,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:07:01,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:07:01,145 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:07:01,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:01,209 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2022-11-26 00:07:01,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:07:01,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-26 00:07:01,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:01,210 INFO L225 Difference]: With dead ends: 72 [2022-11-26 00:07:01,210 INFO L226 Difference]: Without dead ends: 43 [2022-11-26 00:07:01,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-11-26 00:07:01,211 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:01,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 68 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:07:01,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-26 00:07:01,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-26 00:07:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 40 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-11-26 00:07:01,222 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 26 [2022-11-26 00:07:01,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:01,223 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-11-26 00:07:01,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:07:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-11-26 00:07:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 00:07:01,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:01,224 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:01,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-26 00:07:01,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-26 00:07:01,432 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:07:01,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash -906784237, now seen corresponding path program 2 times [2022-11-26 00:07:01,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:01,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437295316] [2022-11-26 00:07:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:01,632 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-26 00:07:01,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:01,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437295316] [2022-11-26 00:07:01,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437295316] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:07:01,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833410675] [2022-11-26 00:07:01,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:07:01,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:01,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:01,634 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:01,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-26 00:07:01,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 00:07:01,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:07:01,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:07:02,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-26 00:07:02,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-26 00:07:02,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833410675] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:02,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [615903994] [2022-11-26 00:07:02,103 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-26 00:07:02,104 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:02,104 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:02,104 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:02,104 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:02,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:02,190 INFO L321 Elim1Store]: treesize reduction 75, result has 31.2 percent of original size [2022-11-26 00:07:02,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 104 [2022-11-26 00:07:02,207 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 0 case distinctions, treesize of input 41 treesize of output 14 [2022-11-26 00:07:02,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-26 00:07:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 44 [2022-11-26 00:07:02,310 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 19 treesize of output 1 [2022-11-26 00:07:02,352 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-26 00:07:02,353 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 22 treesize of output 42 [2022-11-26 00:07:02,365 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 19 treesize of output 1 [2022-11-26 00:07:02,423 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:07:02,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-26 00:07:02,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 112 [2022-11-26 00:07:02,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 107 [2022-11-26 00:07:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,513 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 18 treesize of output 22 [2022-11-26 00:07:02,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:02,631 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 13 treesize of output 9 [2022-11-26 00:07:02,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:02,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:02,691 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 13 treesize of output 9 [2022-11-26 00:07:02,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:02,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:02,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:07:02,781 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 12 treesize of output 11 [2022-11-26 00:07:02,821 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:07:02,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:07:02,832 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 24 treesize of output 26 [2022-11-26 00:07:02,844 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 15 treesize of output 11 [2022-11-26 00:07:02,860 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 23 treesize of output 1 [2022-11-26 00:07:02,872 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 15 treesize of output 11 [2022-11-26 00:07:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:07:02,971 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:07:02,971 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:07:02,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:07:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 38 [2022-11-26 00:07:03,105 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:07:03,105 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:07:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:03,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:03,221 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:07:03,221 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:07:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,246 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 53 treesize of output 44 [2022-11-26 00:07:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:07:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 310 treesize of output 182 [2022-11-26 00:07:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2022-11-26 00:07:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:07:03,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:03,677 INFO L321 Elim1Store]: treesize reduction 250, result has 12.0 percent of original size [2022-11-26 00:07:03,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 791 treesize of output 551 [2022-11-26 00:07:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:03,759 INFO L321 Elim1Store]: treesize reduction 188, result has 21.0 percent of original size [2022-11-26 00:07:03,760 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 673 treesize of output 610 [2022-11-26 00:07:03,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:03,826 INFO L321 Elim1Store]: treesize reduction 238, result has 12.5 percent of original size [2022-11-26 00:07:03,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 747 treesize of output 675 [2022-11-26 00:07:04,076 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:04,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:04,110 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:04,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:04,120 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 13 treesize of output 9 [2022-11-26 00:07:04,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,320 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:04,321 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:04,329 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 14 treesize of output 13 [2022-11-26 00:07:04,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,368 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:04,368 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,410 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:04,410 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:04,449 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 28 treesize of output 17 [2022-11-26 00:07:04,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,482 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:04,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:07:04,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,533 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:04,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,577 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:04,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:07:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,594 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 101 treesize of output 75 [2022-11-26 00:07:04,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,631 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:04,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:07:04,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,759 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:07:04,759 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 557 treesize of output 354 [2022-11-26 00:07:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:04,837 INFO L321 Elim1Store]: treesize reduction 208, result has 14.0 percent of original size [2022-11-26 00:07:04,838 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 7 case distinctions, treesize of input 439 treesize of output 364 [2022-11-26 00:07:04,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:04,884 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:04,884 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 531 treesize of output 448 [2022-11-26 00:07:05,002 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:05,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:05,037 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:05,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:05,064 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 11 treesize of output 7 [2022-11-26 00:07:05,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,253 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:05,253 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:05,264 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 14 treesize of output 13 [2022-11-26 00:07:05,275 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 28 treesize of output 17 [2022-11-26 00:07:05,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,320 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:05,320 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:05,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,366 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:05,367 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,424 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:05,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,446 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 53 treesize of output 44 [2022-11-26 00:07:05,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,492 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:05,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,572 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:05,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-26 00:07:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:05,593 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 107 treesize of output 78 [2022-11-26 00:07:05,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,657 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:05,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-26 00:07:05,775 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:05,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:05,813 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:05,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:05,826 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 11 treesize of output 7 [2022-11-26 00:07:05,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:05,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,059 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:06,060 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:06,071 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 28 treesize of output 17 [2022-11-26 00:07:06,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,113 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:06,113 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:06,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,157 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:06,157 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:06,169 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 14 treesize of output 13 [2022-11-26 00:07:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,221 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:06,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,237 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 53 treesize of output 44 [2022-11-26 00:07:06,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,289 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:06,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,369 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:06,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:07:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:06,388 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 101 treesize of output 75 [2022-11-26 00:07:06,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,436 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:06,437 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:07:06,549 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:06,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:06,588 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:06,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:06,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:07:06,695 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:06,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:06,730 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:06,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:06,739 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 13 treesize of output 9 [2022-11-26 00:07:06,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:06,971 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:06,971 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:06,981 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 28 treesize of output 17 [2022-11-26 00:07:06,990 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 14 treesize of output 13 [2022-11-26 00:07:07,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,032 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:07,032 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:07,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,077 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:07,077 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,149 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:07,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:07,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,164 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 53 treesize of output 44 [2022-11-26 00:07:07,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,225 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:07,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,308 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:07,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 156 [2022-11-26 00:07:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:07,326 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 85 treesize of output 67 [2022-11-26 00:07:07,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:07,371 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:07,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:07,452 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:07,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:07,487 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:07,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:07,497 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 11 treesize of output 7 [2022-11-26 00:07:07,653 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:07,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:07,692 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:07,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:07,704 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 13 treesize of output 9 [2022-11-26 00:07:07,775 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-26 00:07:07,781 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:09,526 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2187#(and (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (< 2147483646 |ULTIMATE.start_main_~i~4#1|) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= 3 |~#dummy_utmp~0.base|) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:07:09,526 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:07:09,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:07:09,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-11-26 00:07:09,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599508320] [2022-11-26 00:07:09,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:07:09,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:07:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:09,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:07:09,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:07:09,529 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:09,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:09,679 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2022-11-26 00:07:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:07:09,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-26 00:07:09,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:09,680 INFO L225 Difference]: With dead ends: 69 [2022-11-26 00:07:09,680 INFO L226 Difference]: Without dead ends: 52 [2022-11-26 00:07:09,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:07:09,681 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:09,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 28 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:07:09,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-26 00:07:09,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 39. [2022-11-26 00:07:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-26 00:07:09,691 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 35 [2022-11-26 00:07:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:09,692 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-26 00:07:09,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-11-26 00:07:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:07:09,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:09,693 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:09,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-26 00:07:09,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-26 00:07:09,903 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:07:09,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:09,904 INFO L85 PathProgramCache]: Analyzing trace with hash 199596396, now seen corresponding path program 1 times [2022-11-26 00:07:09,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:09,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837868815] [2022-11-26 00:07:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:09,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:07:10,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:10,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837868815] [2022-11-26 00:07:10,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837868815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:07:10,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675481675] [2022-11-26 00:07:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:10,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:10,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:10,097 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:10,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-26 00:07:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:10,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:07:10,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:07:10,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:07:10,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675481675] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:10,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1602142021] [2022-11-26 00:07:10,598 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-26 00:07:10,598 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:10,598 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:10,598 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:10,599 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:10,624 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 19 treesize of output 1 [2022-11-26 00:07:10,674 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:07:10,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-26 00:07:10,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:07:10,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-26 00:07:10,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-26 00:07:10,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-26 00:07:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,743 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 18 treesize of output 22 [2022-11-26 00:07:10,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,850 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-26 00:07:10,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 285 treesize of output 272 [2022-11-26 00:07:10,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 274 [2022-11-26 00:07:10,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:10,995 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 13 treesize of output 9 [2022-11-26 00:07:11,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:11,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:11,018 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 13 treesize of output 9 [2022-11-26 00:07:11,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:07:11,075 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 12 treesize of output 11 [2022-11-26 00:07:11,113 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:07:11,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:07:11,122 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 23 treesize of output 1 [2022-11-26 00:07:11,131 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 24 treesize of output 26 [2022-11-26 00:07:11,141 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 15 treesize of output 11 [2022-11-26 00:07:11,150 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 15 treesize of output 11 [2022-11-26 00:07:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:07:11,245 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:07:11,245 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:07:11,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:07:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 38 [2022-11-26 00:07:11,370 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:07:11,370 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:07:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:11,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:11,452 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:07:11,452 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:07:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,475 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 53 treesize of output 44 [2022-11-26 00:07:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,498 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:07:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 194 [2022-11-26 00:07:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-26 00:07:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,612 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-26 00:07:11,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:11,844 INFO L321 Elim1Store]: treesize reduction 250, result has 12.0 percent of original size [2022-11-26 00:07:11,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 821 treesize of output 581 [2022-11-26 00:07:11,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,893 INFO L321 Elim1Store]: treesize reduction 167, result has 8.2 percent of original size [2022-11-26 00:07:11,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 703 treesize of output 599 [2022-11-26 00:07:11,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:11,967 INFO L321 Elim1Store]: treesize reduction 238, result has 12.5 percent of original size [2022-11-26 00:07:11,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 777 treesize of output 673 [2022-11-26 00:07:12,116 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:12,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:12,149 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:12,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:12,159 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 11 treesize of output 7 [2022-11-26 00:07:12,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,374 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:12,375 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:12,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,412 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:12,413 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:12,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,449 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:12,450 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:12,460 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 28 treesize of output 17 [2022-11-26 00:07:12,469 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 14 treesize of output 13 [2022-11-26 00:07:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,505 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:12,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:12,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,521 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 53 treesize of output 44 [2022-11-26 00:07:12,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,556 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:12,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,594 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:12,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 275 treesize of output 160 [2022-11-26 00:07:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,615 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 89 treesize of output 69 [2022-11-26 00:07:12,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,656 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:12,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:12,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,783 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:07:12,784 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 543 treesize of output 340 [2022-11-26 00:07:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,854 INFO L321 Elim1Store]: treesize reduction 136, result has 26.9 percent of original size [2022-11-26 00:07:12,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 425 treesize of output 354 [2022-11-26 00:07:12,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:12,897 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:12,897 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 499 treesize of output 448 [2022-11-26 00:07:13,002 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:13,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:13,034 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:13,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:13,044 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 11 treesize of output 7 [2022-11-26 00:07:13,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,233 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:13,234 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:13,244 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 14 treesize of output 13 [2022-11-26 00:07:13,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,285 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:13,286 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:13,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,328 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:13,328 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:13,342 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 28 treesize of output 17 [2022-11-26 00:07:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,393 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:13,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,410 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 53 treesize of output 44 [2022-11-26 00:07:13,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,456 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:13,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,537 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:13,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 156 [2022-11-26 00:07:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,559 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 85 treesize of output 67 [2022-11-26 00:07:13,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,605 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:13,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:13,715 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:13,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:13,751 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:13,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:13,798 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 13 treesize of output 9 [2022-11-26 00:07:13,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:13,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,052 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:14,053 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:14,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,098 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:14,098 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:14,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,144 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:14,144 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:14,170 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 28 treesize of output 17 [2022-11-26 00:07:14,181 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 14 treesize of output 13 [2022-11-26 00:07:14,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,228 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:14,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,245 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 53 treesize of output 44 [2022-11-26 00:07:14,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,287 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:14,288 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,361 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:14,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-26 00:07:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:14,380 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 107 treesize of output 78 [2022-11-26 00:07:14,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:14,422 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:14,422 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-26 00:07:14,511 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:14,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:14,542 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:14,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:14,553 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 11 treesize of output 7 [2022-11-26 00:07:14,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:14,805 INFO L321 Elim1Store]: treesize reduction 58, result has 19.4 percent of original size [2022-11-26 00:07:14,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-26 00:07:14,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:15,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:15,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:15,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,344 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:15,344 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:15,356 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 28 treesize of output 17 [2022-11-26 00:07:15,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,396 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:15,396 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:15,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,444 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:15,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:15,456 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 14 treesize of output 13 [2022-11-26 00:07:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,515 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:15,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,533 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 53 treesize of output 44 [2022-11-26 00:07:15,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,579 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:15,579 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,667 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:15,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 156 [2022-11-26 00:07:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:15,686 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 85 treesize of output 67 [2022-11-26 00:07:15,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:15,729 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:15,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:15,811 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:15,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:15,847 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:15,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:15,857 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 11 treesize of output 7 [2022-11-26 00:07:16,023 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:16,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:16,058 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:16,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:16,070 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 13 treesize of output 9 [2022-11-26 00:07:16,121 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-26 00:07:16,128 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:18,808 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2590#(and (<= |ULTIMATE.start___main_~argv#1.offset| 0) (<= |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483647) (<= |ULTIMATE.start___main_~return_value_gethostid$1~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (< 2147483646 |ULTIMATE.start_main_~i~5#1|) (<= ~bb_errno_location~0 2147483647) (<= 0 |ULTIMATE.start___main_~argv#1.offset|) (<= 0 (+ 2147483648 |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|)) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= 0 (+ |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483648)) (<= |ULTIMATE.start_gethostid_#res#1| 9223372036854775807) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start___main_#in~argc#1|) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 0 (+ |ULTIMATE.start_main_~res~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_gethostid_#res#1| 9223372036854775808)) (<= |ULTIMATE.start___main_#res#1| 2147483647) (<= |ULTIMATE.start___main_#in~argc#1| 2147483646) (<= |ULTIMATE.start_main_~res~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_~argc#1|) (= 3 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_fflush_all_#res#1| 2147483647) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (<= ~applet_name~0.offset 0) (<= 0 (+ 9223372036854775808 |ULTIMATE.start___main_~return_value_gethostid$1~0#1|)) (<= 0 (+ |ULTIMATE.start___main_#res#1| 2147483648)) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_fflush_all_#res#1| 2147483648)) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= |ULTIMATE.start___main_#in~argv#1.offset| 0) (<= |ULTIMATE.start_main_~i~4#1| 2147483647) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start___main_~return_value_fflush_all$2~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_#in~argv#1.offset|) (<= |ULTIMATE.start___main_~argc#1| 2147483646) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|))' at error location [2022-11-26 00:07:18,809 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:07:18,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:07:18,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2022-11-26 00:07:18,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504083403] [2022-11-26 00:07:18,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:07:18,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:07:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:18,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:07:18,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=806, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:07:18,811 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-26 00:07:18,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:18,906 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2022-11-26 00:07:18,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:07:18,909 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-11-26 00:07:18,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:18,910 INFO L225 Difference]: With dead ends: 85 [2022-11-26 00:07:18,910 INFO L226 Difference]: Without dead ends: 60 [2022-11-26 00:07:18,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=124, Invalid=806, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:07:18,911 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:18,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:07:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-26 00:07:18,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-26 00:07:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 57 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2022-11-26 00:07:18,934 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 38 [2022-11-26 00:07:18,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:18,934 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2022-11-26 00:07:18,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-26 00:07:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2022-11-26 00:07:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-26 00:07:18,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:18,939 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:18,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-26 00:07:19,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-26 00:07:19,147 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:07:19,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1481356217, now seen corresponding path program 2 times [2022-11-26 00:07:19,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:19,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591115537] [2022-11-26 00:07:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:19,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-26 00:07:19,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:19,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591115537] [2022-11-26 00:07:19,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591115537] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:07:19,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411909231] [2022-11-26 00:07:19,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:07:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:19,414 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:19,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-26 00:07:19,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 00:07:19,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:07:19,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:07:19,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-26 00:07:19,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-26 00:07:19,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411909231] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:19,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2142167725] [2022-11-26 00:07:19,820 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-26 00:07:19,820 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:19,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:19,821 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:19,821 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:19,888 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-26 00:07:19,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-26 00:07:19,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:07:19,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:19,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-26 00:07:19,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 9 [2022-11-26 00:07:19,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:19,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-26 00:07:19,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:19,959 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 18 treesize of output 22 [2022-11-26 00:07:19,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:19,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,058 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-26 00:07:20,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 279 treesize of output 266 [2022-11-26 00:07:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,084 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:07:20,084 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 1 case distinctions, treesize of input 268 treesize of output 275 [2022-11-26 00:07:20,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,257 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 13 treesize of output 9 [2022-11-26 00:07:20,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,284 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 13 treesize of output 9 [2022-11-26 00:07:20,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:07:20,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:07:20,348 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 12 treesize of output 11 [2022-11-26 00:07:20,368 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 23 treesize of output 1 [2022-11-26 00:07:20,386 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-26 00:07:20,386 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 24 treesize of output 26 [2022-11-26 00:07:20,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:07:20,424 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:07:20,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:07:20,434 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 15 treesize of output 11 [2022-11-26 00:07:20,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:07:20,523 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:07:20,524 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:07:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:07:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 38 [2022-11-26 00:07:20,633 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:07:20,633 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:07:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:20,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:20,703 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:07:20,703 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:07:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,723 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 53 treesize of output 44 [2022-11-26 00:07:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,742 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:07:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 310 treesize of output 182 [2022-11-26 00:07:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2022-11-26 00:07:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:20,847 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:07:20,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,027 INFO L321 Elim1Store]: treesize reduction 250, result has 12.0 percent of original size [2022-11-26 00:07:21,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 773 treesize of output 533 [2022-11-26 00:07:21,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,097 INFO L321 Elim1Store]: treesize reduction 176, result has 22.1 percent of original size [2022-11-26 00:07:21,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 655 treesize of output 584 [2022-11-26 00:07:21,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,159 INFO L321 Elim1Store]: treesize reduction 238, result has 12.5 percent of original size [2022-11-26 00:07:21,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 729 treesize of output 673 [2022-11-26 00:07:21,287 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:21,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:21,315 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:21,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:21,324 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 11 treesize of output 7 [2022-11-26 00:07:21,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,491 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:21,492 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:21,501 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 28 treesize of output 17 [2022-11-26 00:07:21,509 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 14 treesize of output 13 [2022-11-26 00:07:21,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,547 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:21,547 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:21,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,583 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:21,584 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:21,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,616 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:21,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:21,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,631 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:07:21,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,667 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:21,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,708 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:21,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:07:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,724 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 101 treesize of output 75 [2022-11-26 00:07:21,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,781 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:21,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:07:21,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,913 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:07:21,914 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 591 treesize of output 388 [2022-11-26 00:07:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:21,955 INFO L321 Elim1Store]: treesize reduction 87, result has 14.7 percent of original size [2022-11-26 00:07:21,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 473 treesize of output 369 [2022-11-26 00:07:21,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:21,995 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:21,996 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 547 treesize of output 448 [2022-11-26 00:07:22,093 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:22,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:22,122 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:22,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:22,132 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 13 treesize of output 9 [2022-11-26 00:07:22,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,321 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:22,321 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:22,332 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 28 treesize of output 17 [2022-11-26 00:07:22,341 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 14 treesize of output 13 [2022-11-26 00:07:22,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,386 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:22,386 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:22,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,427 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:22,427 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,483 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:22,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,499 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 53 treesize of output 44 [2022-11-26 00:07:22,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,543 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:22,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,623 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:22,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 275 treesize of output 160 [2022-11-26 00:07:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:22,644 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 89 treesize of output 69 [2022-11-26 00:07:22,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:22,687 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:22,688 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:22,803 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:22,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:22,836 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:22,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:22,847 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 11 treesize of output 7 [2022-11-26 00:07:22,916 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:22,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:22,945 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:22,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:22,957 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 11 treesize of output 7 [2022-11-26 00:07:23,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,151 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:23,151 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:23,161 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 28 treesize of output 17 [2022-11-26 00:07:23,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,201 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:23,201 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:23,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,243 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:23,243 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:23,255 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 14 treesize of output 13 [2022-11-26 00:07:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,327 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:23,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,343 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 53 treesize of output 44 [2022-11-26 00:07:23,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,383 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:23,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:23,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,434 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:23,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:07:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:23,451 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 101 treesize of output 75 [2022-11-26 00:07:23,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:23,490 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:23,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:07:23,584 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:23,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:23,618 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:23,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:23,633 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 13 treesize of output 9 [2022-11-26 00:07:23,724 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:23,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:23,754 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:23,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:23,764 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 11 treesize of output 7 [2022-11-26 00:07:23,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:23,940 INFO L321 Elim1Store]: treesize reduction 58, result has 19.4 percent of original size [2022-11-26 00:07:23,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-26 00:07:24,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:24,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:24,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-26 00:07:24,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,344 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:07:24,344 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:07:24,355 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 28 treesize of output 17 [2022-11-26 00:07:24,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,395 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:07:24,395 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:07:24,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,438 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:07:24,439 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:07:24,450 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 14 treesize of output 13 [2022-11-26 00:07:24,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,523 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:24,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:07:24,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,539 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 53 treesize of output 44 [2022-11-26 00:07:24,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,581 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:24,581 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,669 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:07:24,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 275 treesize of output 160 [2022-11-26 00:07:24,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:24,687 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 89 treesize of output 69 [2022-11-26 00:07:24,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:24,729 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:07:24,730 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:07:24,841 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:24,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:24,878 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:24,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:24,890 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 11 treesize of output 7 [2022-11-26 00:07:24,971 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:24,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:25,003 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:25,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:25,012 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 11 treesize of output 7 [2022-11-26 00:07:25,152 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:07:25,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:07:25,184 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:07:25,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:07:25,195 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 11 treesize of output 7 [2022-11-26 00:07:25,241 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-26 00:07:25,247 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:27,797 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3157#(and (<= |ULTIMATE.start___main_~argv#1.offset| 0) (<= |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483647) (<= |ULTIMATE.start___main_~return_value_gethostid$1~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (< 2147483646 |ULTIMATE.start_main_~i~5#1|) (<= ~bb_errno_location~0 2147483647) (<= 0 |ULTIMATE.start___main_~argv#1.offset|) (<= 0 (+ 2147483648 |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|)) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= 0 (+ |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483648)) (<= |ULTIMATE.start_gethostid_#res#1| 9223372036854775807) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start___main_#in~argc#1|) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 0 (+ |ULTIMATE.start_main_~res~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_gethostid_#res#1| 9223372036854775808)) (<= |ULTIMATE.start___main_#res#1| 2147483647) (<= |ULTIMATE.start___main_#in~argc#1| 2147483646) (<= |ULTIMATE.start_main_~res~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_~argc#1|) (= 3 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_fflush_all_#res#1| 2147483647) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (<= ~applet_name~0.offset 0) (<= 0 (+ 9223372036854775808 |ULTIMATE.start___main_~return_value_gethostid$1~0#1|)) (<= 0 (+ |ULTIMATE.start___main_#res#1| 2147483648)) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_fflush_all_#res#1| 2147483648)) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= |ULTIMATE.start___main_#in~argv#1.offset| 0) (<= |ULTIMATE.start_main_~i~4#1| 2147483647) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start___main_~return_value_fflush_all$2~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_#in~argv#1.offset|) (<= |ULTIMATE.start___main_~argc#1| 2147483646) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|))' at error location [2022-11-26 00:07:27,797 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:07:27,797 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:07:27,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-26 00:07:27,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730068226] [2022-11-26 00:07:27,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:07:27,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:07:27,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:27,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:07:27,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:07:27,799 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:27,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:27,890 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2022-11-26 00:07:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:07:27,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-11-26 00:07:27,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:27,891 INFO L225 Difference]: With dead ends: 60 [2022-11-26 00:07:27,891 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:07:27,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:07:27,893 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:27,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:07:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:07:27,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:07:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:07:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:07:27,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2022-11-26 00:07:27,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:27,895 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:07:27,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:07:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:07:27,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:07:27,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-26 00:07:27,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-26 00:07:27,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-26 00:07:27,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-26 00:07:27,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-26 00:07:27,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-26 00:07:27,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-26 00:07:27,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-26 00:07:27,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-26 00:07:27,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-26 00:07:27,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-26 00:07:27,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-26 00:07:27,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-26 00:07:28,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-26 00:07:28,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:07:28,872 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2022-11-26 00:07:28,873 INFO L899 garLoopResultBuilder]: For program point L1889-2(lines 1889 1896) no Hoare annotation was computed. [2022-11-26 00:07:28,873 INFO L899 garLoopResultBuilder]: For program point L1889-3(line 1889) no Hoare annotation was computed. [2022-11-26 00:07:28,873 INFO L895 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 0 (+ ~bb_errno_location~0 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (= 3 |~#dummy_utmp~0.base|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2022-11-26 00:07:28,873 INFO L895 garLoopResultBuilder]: At program point L1889-4(lines 1889 1896) the Hoare annotation is: (and (not (= (ite (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) 1 0) 0)) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (not (= |ULTIMATE.start_main_~argv~0#1.base| 0)) (<= 0 (+ ~bb_errno_location~0 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 ~applet_name~0.offset) (= (select |#valid| |ULTIMATE.start_main_~argv~0#1.base|) 1) (< |ULTIMATE.start_main_~argv~0#1.base| |#StackHeapBarrier|) (= 3 |~#dummy_utmp~0.base|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_main_~i~4#1| 2147483646) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (= (select |#length| |ULTIMATE.start_main_~argv~0#1.base|) (* 8 (mod (+ |ULTIMATE.start_main_~argc~0#1| 1) 2305843009213693952))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-11-26 00:07:28,874 INFO L899 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2022-11-26 00:07:28,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2022-11-26 00:07:28,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2022-11-26 00:07:28,874 INFO L899 garLoopResultBuilder]: For program point L1898-2(lines 1898 1899) no Hoare annotation was computed. [2022-11-26 00:07:28,874 INFO L899 garLoopResultBuilder]: For program point L1898-3(line 1898) no Hoare annotation was computed. [2022-11-26 00:07:28,874 INFO L895 garLoopResultBuilder]: At program point L1898-4(lines 1898 1899) the Hoare annotation is: (and (not (= (ite (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) 1 0) 0)) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (<= 0 (+ ~bb_errno_location~0 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 ~applet_name~0.offset) (<= |ULTIMATE.start_main_~i~5#1| 2147483646) (= 3 |~#dummy_utmp~0.base|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_main_~i~4#1| 2147483646) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-11-26 00:07:28,875 INFO L899 garLoopResultBuilder]: For program point L1894-2(lines 1894 1895) no Hoare annotation was computed. [2022-11-26 00:07:28,875 INFO L899 garLoopResultBuilder]: For program point L1894-3(line 1894) no Hoare annotation was computed. [2022-11-26 00:07:28,875 INFO L895 garLoopResultBuilder]: At program point L1894-4(lines 1894 1895) the Hoare annotation is: (and (not (= (ite (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) 1 0) 0)) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (not (= |ULTIMATE.start_main_~argv~0#1.base| 0)) (<= 0 (+ ~bb_errno_location~0 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 ~applet_name~0.offset) (= (select |#valid| |ULTIMATE.start_main_~argv~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~j~0#1|) (< |ULTIMATE.start_main_~argv~0#1.base| |#StackHeapBarrier|) (= 3 |~#dummy_utmp~0.base|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= ~applet_name~0.offset 0) (<= |ULTIMATE.start_main_~i~4#1| 2147483645) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (= (select |#length| |ULTIMATE.start_main_~argv~0#1.base|) (* 8 (mod (+ |ULTIMATE.start_main_~argc~0#1| 1) 2305843009213693952))) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-11-26 00:07:28,875 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2022-11-26 00:07:28,875 INFO L899 garLoopResultBuilder]: For program point L1886(line 1886) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point L1887(line 1887) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point L1879-2(lines 1879 1880) no Hoare annotation was computed. [2022-11-26 00:07:28,876 INFO L899 garLoopResultBuilder]: For program point L1879-3(line 1879) no Hoare annotation was computed. [2022-11-26 00:07:28,877 INFO L895 garLoopResultBuilder]: At program point L1879-4(lines 1879 1880) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse1 (= ~bb_errno_location~0 0)) (.cse2 (= 3 |~#dummy_utmp~0.base|)) (.cse3 (= ~applet_name~0.offset 0)) (.cse4 (= |#NULL.offset| 0)) (.cse5 (= |~#dummy_utmp~0.offset| 0)) (.cse6 (<= 0 |#StackHeapBarrier|)) (.cse7 (= ~applet_name~0.base 0)) (.cse8 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~i~3#1| 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~i~3#1| 2147483647) .cse5 .cse6 .cse7 (<= 1 |ULTIMATE.start_main_~i~3#1|) .cse8))) [2022-11-26 00:07:28,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2022-11-26 00:07:28,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2022-11-26 00:07:28,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2022-11-26 00:07:28,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2022-11-26 00:07:28,877 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2022-11-26 00:07:28,878 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-11-26 00:07:28,880 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:28,882 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:07:28,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:07:28 BoogieIcfgContainer [2022-11-26 00:07:28,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:07:28,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:07:28,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:07:28,918 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:07:28,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:42" (3/4) ... [2022-11-26 00:07:28,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:07:28,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-26 00:07:28,947 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-26 00:07:28,947 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-26 00:07:28,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:07:28,948 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:07:28,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:07:28,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:07:28,993 INFO L158 Benchmark]: Toolchain (without parser) took 48576.96ms. Allocated memory was 153.1MB in the beginning and 645.9MB in the end (delta: 492.8MB). Free memory was 107.9MB in the beginning and 429.3MB in the end (delta: -321.3MB). Peak memory consumption was 173.1MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,993 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:07:28,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.05ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 110.5MB in the end (delta: -2.5MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.96ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 106.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,993 INFO L158 Benchmark]: Boogie Preprocessor took 46.68ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 104.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,994 INFO L158 Benchmark]: RCFGBuilder took 861.82ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 75.6MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,994 INFO L158 Benchmark]: TraceAbstraction took 46184.42ms. Allocated memory was 153.1MB in the beginning and 645.9MB in the end (delta: 492.8MB). Free memory was 74.9MB in the beginning and 432.4MB in the end (delta: -357.5MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,994 INFO L158 Benchmark]: Witness Printer took 74.59ms. Allocated memory is still 645.9MB. Free memory was 432.4MB in the beginning and 429.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:07:28,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.05ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 110.5MB in the end (delta: -2.5MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.96ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 106.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.68ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 104.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 861.82ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 75.6MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 46184.42ms. Allocated memory was 153.1MB in the beginning and 645.9MB in the end (delta: 492.8MB). Free memory was 74.9MB in the beginning and 432.4MB in the end (delta: -357.5MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. * Witness Printer took 74.59ms. Allocated memory is still 645.9MB. Free memory was 432.4MB in the beginning and 429.3MB in the end (delta: 3.1MB). 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: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: 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 2 procedures, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 46.1s, OverallIterations: 16, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 364 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 501 IncrementalHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 277 mSDtfsCounter, 501 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 718 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=15, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 9 PreInvPairs, 28 NumberOfFragments, 370 HoareAnnotationTreeSize, 9 FomulaSimplifications, 195 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 2352 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 618 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 768 ConstructedInterpolants, 0 QuantifiedInterpolants, 1230 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3971 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 36 InterpolantComputations, 10 PerfectInterpolantSequences, 656/750 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: 2.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 21, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME: 1.7s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME: 1.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 86, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 1.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, 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: 261, DAG_COMPRESSION_RETAINED_NODES: 80, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1879]: Loop Invariant Derived loop invariant: (((((((((a == 0 && bb_errno_location == 0) && 3 == dummy_utmp) && applet_name == 0) && #NULL == 0) && dummy_utmp == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && applet_name == 0) && i == 0) && #NULL == 0) || ((((((((((a == 0 && bb_errno_location == 0) && 3 == dummy_utmp) && applet_name == 0) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && applet_name == 0) && 1 <= i) && #NULL == 0) - InvariantResult [Line: 1889]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!((if 1 <= argc && argc <= 10000 then 1 else 0) == 0) && optind == 1) && bb_errno_location <= 2147483647) && !(argv == 0)) && 0 <= bb_errno_location + 2147483648) && a == applet_name) && 0 <= applet_name) && \valid[argv] == 1) && argv < unknown-#StackHeapBarrier-unknown) && 3 == dummy_utmp) && applet_name == a) && i <= 2147483646) && applet_name <= 0) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && argv == 0) && 10 <= i) && unknown-#length-unknown[argv] == 8 * ((argc + 1) % 2305843009213693952)) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1894]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!((if 1 <= argc && argc <= 10000 then 1 else 0) == 0) && optind == 1) && bb_errno_location <= 2147483647) && !(argv == 0)) && 0 <= bb_errno_location + 2147483648) && a == applet_name) && 0 <= applet_name) && \valid[argv] == 1) && 0 <= j) && argv < unknown-#StackHeapBarrier-unknown) && 3 == dummy_utmp) && applet_name == a) && applet_name <= 0) && i <= 2147483645) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && argv == 0) && 10 <= i) && unknown-#length-unknown[argv] == 8 * ((argc + 1) % 2305843009213693952)) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: (((((((((((((((((!((if 1 <= argc && argc <= 10000 then 1 else 0) == 0) && optind == 1) && bb_errno_location <= 2147483647) && 0 <= bb_errno_location + 2147483648) && a == applet_name) && 0 <= applet_name) && i <= 2147483646) && 3 == dummy_utmp) && applet_name == a) && i <= 2147483646) && applet_name <= 0) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && 10 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && #NULL == 0) && 0 <= i RESULT: Ultimate proved your program to be correct! [2022-11-26 00:07:29,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e7a2f8-fb18-4eae-a9ef-4288beb85b30/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE