./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba --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 c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- 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-b5237d8 [2022-11-22 02:49:06,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:49:06,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:49:06,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:49:06,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:49:06,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:49:06,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:49:06,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:49:06,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:49:06,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:49:06,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:49:06,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:49:06,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:49:06,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:49:06,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:49:06,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:49:06,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:49:06,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:49:06,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:49:06,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:49:06,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:49:06,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:49:06,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:49:06,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:49:06,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:49:06,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:49:06,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:49:06,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:49:06,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:49:06,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:49:06,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:49:06,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:49:06,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:49:06,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:49:06,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:49:06,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:49:06,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:49:06,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:49:06,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:49:06,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:49:06,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:49:06,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:49:06,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:49:06,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:49:06,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:49:06,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:49:06,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:49:06,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:49:06,573 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:49:06,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:49:06,573 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:49:06,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:49:06,575 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:49:06,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:49:06,575 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:49:06,575 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:49:06,575 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:49:06,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:49:06,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:49:06,576 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:49:06,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:49:06,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:49:06,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:49:06,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:49:06,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:49:06,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:49:06,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:49:06,579 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:49:06,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:49:06,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:49:06,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:49:06,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:49:06,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:49:06,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:49:06,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:49:06,582 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:49:06,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:49:06,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:49:06,582 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:49:06,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:49:06,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:49:06,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:49:06,583 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_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-11-22 02:49:06,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:49:06,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:49:06,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:49:06,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:49:06,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:49:06,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-22 02:49:10,277 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:49:10,711 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:49:10,711 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-22 02:49:10,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/data/14d1e312f/70b54e6d60924a6b9b0e20c7c9c3fb90/FLAGdce36a342 [2022-11-22 02:49:10,761 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/data/14d1e312f/70b54e6d60924a6b9b0e20c7c9c3fb90 [2022-11-22 02:49:10,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:49:10,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:49:10,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:49:10,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:49:10,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:49:10,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:49:10" (1/1) ... [2022-11-22 02:49:10,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec18365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:10, skipping insertion in model container [2022-11-22 02:49:10,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:49:10" (1/1) ... [2022-11-22 02:49:10,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:49:10,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:49:11,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-22 02:49:11,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:49:11,751 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:49:11,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-22 02:49:11,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:49:11,906 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:49:11,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11 WrapperNode [2022-11-22 02:49:11,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:49:11,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:49:11,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:49:11,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:49:11,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:11,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,000 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 374 [2022-11-22 02:49:12,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:49:12,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:49:12,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:49:12,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:49:12,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,048 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:49:12,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:49:12,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:49:12,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:49:12,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (1/1) ... [2022-11-22 02:49:12,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:49:12,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:12,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:49:12,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:49:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:49:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:49:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:49:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:49:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:49:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:49:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:49:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-22 02:49:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:49:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:49:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:49:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:49:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:49:12,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:49:12,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:49:13,224 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:49:13,358 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:49:13,358 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 02:49:13,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:13 BoogieIcfgContainer [2022-11-22 02:49:13,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:49:13,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:49:13,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:49:13,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:49:13,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:49:10" (1/3) ... [2022-11-22 02:49:13,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1317ffaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:49:13, skipping insertion in model container [2022-11-22 02:49:13,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:49:11" (2/3) ... [2022-11-22 02:49:13,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1317ffaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:49:13, skipping insertion in model container [2022-11-22 02:49:13,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:49:13" (3/3) ... [2022-11-22 02:49:13,371 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-11-22 02:49:13,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:49:13,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-11-22 02:49:13,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:49:13,463 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;@6013ca55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:49:13,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-22 02:49:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 82 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:49:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 02:49:13,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:13,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 02:49:13,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:49:13,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:13,493 INFO L85 PathProgramCache]: Analyzing trace with hash 349165, now seen corresponding path program 1 times [2022-11-22 02:49:13,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:13,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264942461] [2022-11-22 02:49:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:14,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:14,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264942461] [2022-11-22 02:49:14,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264942461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:14,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:14,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 02:49:14,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939405228] [2022-11-22 02:49:14,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:14,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:49:14,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:14,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:49:14,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:49:14,161 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 82 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2022-11-22 02:49:14,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:14,316 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2022-11-22 02:49:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:49:14,318 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 [2022-11-22 02:49:14,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:14,328 INFO L225 Difference]: With dead ends: 171 [2022-11-22 02:49:14,329 INFO L226 Difference]: Without dead ends: 88 [2022-11-22 02:49:14,333 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 [2022-11-22 02:49:14,343 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:14,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 176 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:49:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-22 02:49:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-22 02:49:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.721311475409836) internal successors, (105), 84 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:49:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2022-11-22 02:49:14,406 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 3 [2022-11-22 02:49:14,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:14,407 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2022-11-22 02:49:14,407 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) [2022-11-22 02:49:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-11-22 02:49:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:49:14,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:14,409 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-22 02:49:14,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:49:14,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:49:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:14,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1812084451, now seen corresponding path program 1 times [2022-11-22 02:49:14,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:14,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125945022] [2022-11-22 02:49:14,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:14,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:49:14,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:14,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125945022] [2022-11-22 02:49:14,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125945022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:14,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:14,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:49:14,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313590537] [2022-11-22 02:49:14,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:14,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:49:14,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:49:14,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:49:14,554 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2022-11-22 02:49:14,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:14,652 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-11-22 02:49:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:49:14,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2022-11-22 02:49:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:14,655 INFO L225 Difference]: With dead ends: 88 [2022-11-22 02:49:14,655 INFO L226 Difference]: Without dead ends: 87 [2022-11-22 02:49:14,656 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 [2022-11-22 02:49:14,657 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:14,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 174 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:49:14,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-22 02:49:14,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-22 02:49:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 83 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:49:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-11-22 02:49:14,680 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 6 [2022-11-22 02:49:14,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:14,682 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-11-22 02:49:14,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2022-11-22 02:49:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-11-22 02:49:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:49:14,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:14,684 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-22 02:49:14,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:49:14,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:49:14,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash 340043178, now seen corresponding path program 1 times [2022-11-22 02:49:14,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:14,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472168063] [2022-11-22 02:49:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:14,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:14,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472168063] [2022-11-22 02:49:14,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472168063] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:49:14,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674316763] [2022-11-22 02:49:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:49:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:14,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:49:14,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:49:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:15,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:49:15,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:15,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:49:15,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674316763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:15,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:49:15,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-11-22 02:49:15,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720704448] [2022-11-22 02:49:15,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:15,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:15,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:15,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:15,118 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2022-11-22 02:49:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:15,186 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2022-11-22 02:49:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:15,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 [2022-11-22 02:49:15,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:15,188 INFO L225 Difference]: With dead ends: 87 [2022-11-22 02:49:15,188 INFO L226 Difference]: Without dead ends: 86 [2022-11-22 02:49:15,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:15,190 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 95 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:15,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 91 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:49:15,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-22 02:49:15,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-11-22 02:49:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.7118644067796611) internal successors, (101), 80 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:49:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2022-11-22 02:49:15,199 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 7 [2022-11-22 02:49:15,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:15,200 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2022-11-22 02:49:15,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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) [2022-11-22 02:49:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-11-22 02:49:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:49:15,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:15,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:15,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:15,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:49:15,411 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:49:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 694994607, now seen corresponding path program 1 times [2022-11-22 02:49:15,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:15,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010843983] [2022-11-22 02:49:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:15,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:15,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:15,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010843983] [2022-11-22 02:49:15,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010843983] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:49:15,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389382736] [2022-11-22 02:49:15,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:15,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:49:15,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:15,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:49:15,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:49:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:15,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:49:15,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:15,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:49:15,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389382736] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:15,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1135625180] [2022-11-22 02:49:15,854 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-22 02:49:15,854 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:49:15,858 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:49:15,866 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:49:15,867 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:49:15,990 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 [2022-11-22 02:49:16,217 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-22 02:49:16,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-22 02:49:16,285 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 [2022-11-22 02:49:16,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:16,927 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-22 02:49:16,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-22 02:49:17,377 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2022-11-22 02:49:17,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 197 treesize of output 197 [2022-11-22 02:49:17,903 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:18,383 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:18,628 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:19,065 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:19,176 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:19,882 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:19,983 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,050 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,287 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,335 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 [2022-11-22 02:49:20,400 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,487 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:20,880 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:21,146 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:21,509 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:21,626 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:22,616 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 [2022-11-22 02:49:22,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:22,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:22,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:22,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:22,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:22,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-22 02:49:22,950 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:23,057 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:23,198 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:23,241 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:23,288 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:23,406 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:23,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:23,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:23,957 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,273 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,329 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,702 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:24,967 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:25,134 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:25,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:25,236 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 16 treesize of output 20 [2022-11-22 02:49:25,286 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:25,344 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:25,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:26,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:26,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:49:26,533 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:26,741 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:27,473 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:27,686 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:27,947 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 21 treesize of output 30 [2022-11-22 02:49:28,099 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:28,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:28,531 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:49:42,417 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:49:42,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:49:49,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:49:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:50,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:02,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 22370 treesize of output 15727 [2022-11-22 02:50:02,911 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 22280 treesize of output 22276 [2022-11-22 02:50:09,246 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:50:09,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:09,461 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 [2022-11-22 02:50:16,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:50:31,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 21374 treesize of output 15033 [2022-11-22 02:50:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:39,012 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 [2022-11-22 02:50:42,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:50:42,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:50:44,110 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 [2022-11-22 02:50:44,117 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 19 treesize of output 1 [2022-11-22 02:50:44,123 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 [2022-11-22 02:50:44,651 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:50:44,747 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:50:45,122 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:51:00,965 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:51:01,034 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:51:01,239 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:51:17,797 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:51:17,850 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:51:18,073 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:51:34,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:51:34,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:51:34,901 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 [2022-11-22 02:51:34,985 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 02:51:34,997 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:51:35,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1135625180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:51:35,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:51:35,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 14 [2022-11-22 02:51:35,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558542308] [2022-11-22 02:51:35,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:51:35,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 02:51:35,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:51:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 02:51:35,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:51:35,655 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-11-22 02:51:36,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:51:36,091 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-11-22 02:51:36,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:51:36,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 [2022-11-22 02:51:36,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:51:36,094 INFO L225 Difference]: With dead ends: 86 [2022-11-22 02:51:36,094 INFO L226 Difference]: Without dead ends: 82 [2022-11-22 02:51:36,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:51:36,095 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 8 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:51:36,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 434 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 02:51:36,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-22 02:51:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-22 02:51:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 77 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:51:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-11-22 02:51:36,106 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 9 [2022-11-22 02:51:36,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:51:36,106 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-11-22 02:51:36,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-11-22 02:51:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-11-22 02:51:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 02:51:36,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:51:36,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:51:36,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 02:51:36,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:36,312 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:51:36,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:51:36,313 INFO L85 PathProgramCache]: Analyzing trace with hash 49882010, now seen corresponding path program 1 times [2022-11-22 02:51:36,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:51:36,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229797092] [2022-11-22 02:51:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:36,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:51:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:51:36,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:51:36,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229797092] [2022-11-22 02:51:36,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229797092] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:51:36,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726773013] [2022-11-22 02:51:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:36,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:36,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:51:36,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:51:36,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:51:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:36,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:51:36,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:51:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:51:36,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:51:36,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726773013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:51:36,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:51:36,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 02:51:36,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686692121] [2022-11-22 02:51:36,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:51:36,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:51:36,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:51:36,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:51:36,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:51:36,745 INFO L87 Difference]: Start difference. First operand 82 states and 102 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) [2022-11-22 02:51:36,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:51:36,855 INFO L93 Difference]: Finished difference Result 149 states and 190 transitions. [2022-11-22 02:51:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:51:36,856 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 [2022-11-22 02:51:36,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:51:36,857 INFO L225 Difference]: With dead ends: 149 [2022-11-22 02:51:36,857 INFO L226 Difference]: Without dead ends: 148 [2022-11-22 02:51:36,857 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 [2022-11-22 02:51:36,858 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 82 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:51:36,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 161 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:51:36,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-22 02:51:36,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 87. [2022-11-22 02:51:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.646153846153846) internal successors, (107), 82 states have internal predecessors, (107), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:51:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2022-11-22 02:51:36,884 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 15 [2022-11-22 02:51:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:51:36,885 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2022-11-22 02:51:36,885 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) [2022-11-22 02:51:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2022-11-22 02:51:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 02:51:36,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:51:36,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:51:36,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:51:37,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:37,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:51:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:51:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash 49871804, now seen corresponding path program 1 times [2022-11-22 02:51:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:51:37,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123781037] [2022-11-22 02:51:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:37,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:51:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:51:37,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:51:37,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123781037] [2022-11-22 02:51:37,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123781037] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:51:37,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491660897] [2022-11-22 02:51:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:37,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:37,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:51:37,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:51:37,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:51:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:37,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:51:37,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:51:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:51:37,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:51:37,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491660897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:51:37,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:51:37,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 02:51:37,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750557236] [2022-11-22 02:51:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:51:37,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:51:37,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:51:37,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:51:37,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:51:37,678 INFO L87 Difference]: Start difference. First operand 87 states and 111 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) [2022-11-22 02:51:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:51:37,763 INFO L93 Difference]: Finished difference Result 164 states and 213 transitions. [2022-11-22 02:51:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:51:37,764 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 [2022-11-22 02:51:37,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:51:37,766 INFO L225 Difference]: With dead ends: 164 [2022-11-22 02:51:37,766 INFO L226 Difference]: Without dead ends: 93 [2022-11-22 02:51:37,767 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 [2022-11-22 02:51:37,770 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:51:37,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 162 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:51:37,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-22 02:51:37,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2022-11-22 02:51:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.608695652173913) internal successors, (111), 86 states have internal predecessors, (111), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:51:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 115 transitions. [2022-11-22 02:51:37,803 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 115 transitions. Word has length 15 [2022-11-22 02:51:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:51:37,804 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 115 transitions. [2022-11-22 02:51:37,804 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) [2022-11-22 02:51:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2022-11-22 02:51:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 02:51:37,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:51:37,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:51:37,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:51:38,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:38,006 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:51:38,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:51:38,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1546026003, now seen corresponding path program 1 times [2022-11-22 02:51:38,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:51:38,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478914477] [2022-11-22 02:51:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:51:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:51:38,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:51:38,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478914477] [2022-11-22 02:51:38,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478914477] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:51:38,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601647068] [2022-11-22 02:51:38,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:38,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:38,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:51:38,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:51:38,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:51:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:38,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:51:38,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:51:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:51:38,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:51:38,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601647068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:51:38,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:51:38,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 02:51:38,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126244225] [2022-11-22 02:51:38,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:51:38,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:51:38,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:51:38,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:51:38,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:51:38,432 INFO L87 Difference]: Start difference. First operand 91 states and 115 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) [2022-11-22 02:51:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:51:38,522 INFO L93 Difference]: Finished difference Result 149 states and 191 transitions. [2022-11-22 02:51:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:51:38,523 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 [2022-11-22 02:51:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:51:38,525 INFO L225 Difference]: With dead ends: 149 [2022-11-22 02:51:38,525 INFO L226 Difference]: Without dead ends: 148 [2022-11-22 02:51:38,525 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 [2022-11-22 02:51:38,526 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 81 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:51:38,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 226 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:51:38,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-22 02:51:38,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 90. [2022-11-22 02:51:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 85 states have internal predecessors, (109), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:51:38,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 113 transitions. [2022-11-22 02:51:38,538 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 113 transitions. Word has length 16 [2022-11-22 02:51:38,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:51:38,539 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 113 transitions. [2022-11-22 02:51:38,539 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) [2022-11-22 02:51:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2022-11-22 02:51:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 02:51:38,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:51:38,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:51:38,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 02:51:38,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:38,748 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:51:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:51:38,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1555383259, now seen corresponding path program 1 times [2022-11-22 02:51:38,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:51:38,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087312937] [2022-11-22 02:51:38,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:51:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:51:38,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:51:38,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087312937] [2022-11-22 02:51:38,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087312937] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:51:38,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848169262] [2022-11-22 02:51:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:51:38,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:51:38,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:51:38,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:51:38,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 02:51:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:51:39,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:51:39,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:51:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:51:39,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:51:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:51:39,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848169262] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:51:39,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1251665279] [2022-11-22 02:51:39,159 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-22 02:51:39,160 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:51:39,160 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:51:39,160 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:51:39,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:51:39,201 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 [2022-11-22 02:51:39,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:51:39,813 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-22 02:51:39,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-22 02:51:39,981 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-22 02:51:39,982 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 2 case distinctions, treesize of input 93 treesize of output 75 [2022-11-22 02:51:40,122 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,153 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 21 treesize of output 30 [2022-11-22 02:51:40,262 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:40,351 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:40,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:40,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,415 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 16 treesize of output 20 [2022-11-22 02:51:40,437 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 [2022-11-22 02:51:40,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:40,732 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:40,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:41,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:41,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:41,325 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,347 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,453 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,560 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,580 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,642 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,666 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,699 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,727 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 [2022-11-22 02:51:41,929 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:41,955 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:42,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:42,087 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:42,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:42,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:42,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:42,811 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:42,839 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:43,401 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:43,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:51:43,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:51:43,696 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:51:43,725 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:52:08,443 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 [2022-11-22 02:52:08,777 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-22 02:52:08,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-22 02:52:09,173 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:52:09,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:52:27,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:52:27,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:52:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:29,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:52:29,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:53:51,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 53530 treesize of output 37035 [2022-11-22 02:53:56,577 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 53482 treesize of output 53478 [2022-11-22 02:54:30,878 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:54:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:54:30,969 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 [2022-11-22 02:55:35,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 50269 treesize of output 34478 [2022-11-22 02:55:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:55:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:55:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:55:47,840 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 [2022-11-22 02:56:08,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:08,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:11,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:56:11,343 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 [2022-11-22 02:56:11,349 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 [2022-11-22 02:56:12,529 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:56:12,563 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:56:12,944 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:56:12,952 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:56:12,981 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:56:21,981 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:56:22,015 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:56:22,413 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:56:22,421 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:56:22,450 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:56:32,805 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:56:32,835 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:56:33,219 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:56:33,227 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:56:33,276 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:56:42,787 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 [2022-11-22 02:56:42,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:56:42,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:56:42,881 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 [2022-11-22 02:56:42,894 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 [2022-11-22 02:56:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:42,942 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 40 treesize of output 16 [2022-11-22 02:56:42,975 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:56:42,976 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 [2022-11-22 02:56:42,987 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 [2022-11-22 02:56:43,001 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 [2022-11-22 02:56:43,020 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 [2022-11-22 02:56:43,036 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 02:56:43,046 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:56:44,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1251665279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:56:44,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:56:44,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 3, 4] total 16 [2022-11-22 02:56:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594237413] [2022-11-22 02:56:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:56:44,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:56:44,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:56:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:56:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:56:44,122 INFO L87 Difference]: Start difference. First operand 90 states and 113 transitions. Second operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-11-22 02:56:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:56:44,514 INFO L93 Difference]: Finished difference Result 150 states and 190 transitions. [2022-11-22 02:56:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:56:44,515 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 [2022-11-22 02:56:44,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:56:44,516 INFO L225 Difference]: With dead ends: 150 [2022-11-22 02:56:44,516 INFO L226 Difference]: Without dead ends: 90 [2022-11-22 02:56:44,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:56:44,517 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 9 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:56:44,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 347 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 02:56:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-22 02:56:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-22 02:56:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 69 states have (on average 1.565217391304348) internal successors, (108), 85 states have internal predecessors, (108), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:56:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 112 transitions. [2022-11-22 02:56:44,531 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 112 transitions. Word has length 16 [2022-11-22 02:56:44,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:56:44,531 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 112 transitions. [2022-11-22 02:56:44,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2022-11-22 02:56:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2022-11-22 02:56:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 02:56:44,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:56:44,533 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:56:44,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 02:56:44,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 02:56:44,741 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:56:44,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:56:44,741 INFO L85 PathProgramCache]: Analyzing trace with hash -327693162, now seen corresponding path program 1 times [2022-11-22 02:56:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:56:44,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285714052] [2022-11-22 02:56:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:56:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:56:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:56:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:56:44,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:56:44,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285714052] [2022-11-22 02:56:44,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285714052] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:56:44,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236918260] [2022-11-22 02:56:44,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:56:44,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:56:44,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:56:44,900 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:56:44,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 02:56:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:56:45,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:56:45,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:56:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:56:45,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:56:45,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236918260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:56:45,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:56:45,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 02:56:45,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330505076] [2022-11-22 02:56:45,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:56:45,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:56:45,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:56:45,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:56:45,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:56:45,243 INFO L87 Difference]: Start difference. First operand 90 states and 112 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-22 02:56:45,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:56:45,308 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2022-11-22 02:56:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:56:45,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2022-11-22 02:56:45,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:56:45,310 INFO L225 Difference]: With dead ends: 90 [2022-11-22 02:56:45,310 INFO L226 Difference]: Without dead ends: 89 [2022-11-22 02:56:45,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:56:45,312 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:56:45,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 161 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:56:45,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-22 02:56:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2022-11-22 02:56:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 82 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:56:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-11-22 02:56:45,335 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 18 [2022-11-22 02:56:45,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:56:45,335 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-11-22 02:56:45,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-22 02:56:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-11-22 02:56:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 02:56:45,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:56:45,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:56:45,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:56:45,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:56:45,548 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:56:45,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:56:45,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1568236958, now seen corresponding path program 1 times [2022-11-22 02:56:45,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:56:45,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283636409] [2022-11-22 02:56:45,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:56:45,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:56:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:56:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:56:45,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:56:45,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283636409] [2022-11-22 02:56:45,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283636409] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:56:45,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548311503] [2022-11-22 02:56:45,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:56:45,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:56:45,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:56:45,710 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:56:45,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 02:56:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:56:46,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:56:46,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:56:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:56:46,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:56:46,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548311503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:56:46,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:56:46,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 02:56:46,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476013359] [2022-11-22 02:56:46,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:56:46,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:56:46,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:56:46,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:56:46,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:56:46,039 INFO L87 Difference]: Start difference. First operand 87 states and 108 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) [2022-11-22 02:56:46,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:56:46,086 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2022-11-22 02:56:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:56:46,087 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 [2022-11-22 02:56:46,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:56:46,088 INFO L225 Difference]: With dead ends: 87 [2022-11-22 02:56:46,088 INFO L226 Difference]: Without dead ends: 86 [2022-11-22 02:56:46,088 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 [2022-11-22 02:56:46,089 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 76 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:56:46,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 87 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:56:46,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-22 02:56:46,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-22 02:56:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 67 states have (on average 1.537313432835821) internal successors, (103), 81 states have internal predecessors, (103), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:56:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 107 transitions. [2022-11-22 02:56:46,096 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 107 transitions. Word has length 19 [2022-11-22 02:56:46,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:56:46,097 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 107 transitions. [2022-11-22 02:56:46,097 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) [2022-11-22 02:56:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2022-11-22 02:56:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 02:56:46,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:56:46,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:56:46,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 02:56:46,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:56:46,305 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:56:46,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:56:46,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1874624788, now seen corresponding path program 1 times [2022-11-22 02:56:46,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:56:46,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539430388] [2022-11-22 02:56:46,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:56:46,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:56:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:56:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:56:46,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:56:46,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539430388] [2022-11-22 02:56:46,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539430388] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:56:46,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478631915] [2022-11-22 02:56:46,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:56:46,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:56:46,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:56:46,456 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:56:46,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 02:56:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:56:46,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:56:46,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:56:46,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:56:46,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:56:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:56:46,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478631915] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:56:46,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [935364274] [2022-11-22 02:56:46,877 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-22 02:56:46,877 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:56:46,877 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:56:46,878 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:56:46,878 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:56:47,118 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:56:47,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:56:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-22 02:56:47,162 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 [2022-11-22 02:56:47,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:47,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 02:56:47,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:47,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:47,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-22 02:56:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,326 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 [2022-11-22 02:56:47,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:47,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 210 [2022-11-22 02:56:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,483 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 36 treesize of output 40 [2022-11-22 02:56:47,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:47,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:56:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,961 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-22 02:56:47,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 879 treesize of output 810 [2022-11-22 02:56:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:47,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 860 treesize of output 850 [2022-11-22 02:56:48,164 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 [2022-11-22 02:56:48,185 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 [2022-11-22 02:56:48,245 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 [2022-11-22 02:56:48,252 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 [2022-11-22 02:56:48,260 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 [2022-11-22 02:56:48,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:56:48,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:56:48,369 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 [2022-11-22 02:56:48,472 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 [2022-11-22 02:56:48,483 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 [2022-11-22 02:56:48,531 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-22 02:56:48,532 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 [2022-11-22 02:56:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,551 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 40 treesize of output 16 [2022-11-22 02:56:48,567 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 [2022-11-22 02:56:48,604 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:56:48,605 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 [2022-11-22 02:56:48,624 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 [2022-11-22 02:56:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,673 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 [2022-11-22 02:56:48,728 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 02:56:48,729 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 [2022-11-22 02:56:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,754 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 150 treesize of output 64 [2022-11-22 02:56:48,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:48,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:48,819 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 02:56:48,819 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 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 02:56:48,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 42 [2022-11-22 02:56:48,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:48,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:48,953 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 02:56:48,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-22 02:56:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:48,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,011 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:56:49,012 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 02:56:49,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,041 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 [2022-11-22 02:56:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,134 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 345 treesize of output 209 [2022-11-22 02:56:49,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,175 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 02:56:49,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 103 [2022-11-22 02:56:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,194 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 [2022-11-22 02:56:49,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,411 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:56:49,411 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 [2022-11-22 02:56:49,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,456 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:56:49,456 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 [2022-11-22 02:56:49,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,500 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:49,500 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 [2022-11-22 02:56:49,513 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 28 treesize of output 17 [2022-11-22 02:56:49,523 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 [2022-11-22 02:56:49,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,699 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:56:49,700 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 [2022-11-22 02:56:49,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,748 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:56:49,748 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 [2022-11-22 02:56:49,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:49,796 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:49,797 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 [2022-11-22 02:56:49,809 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 [2022-11-22 02:56:49,821 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 [2022-11-22 02:56:49,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:49,955 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 02:56:49,956 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 339 treesize of output 292 [2022-11-22 02:56:49,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,066 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 02:56:50,068 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 250 treesize of output 247 [2022-11-22 02:56:50,120 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:50,120 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 02:56:50,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,566 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:56:50,567 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 [2022-11-22 02:56:50,578 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 [2022-11-22 02:56:50,588 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 [2022-11-22 02:56:50,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:50,631 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:56:50,632 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 [2022-11-22 02:56:50,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:50,677 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:50,678 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 [2022-11-22 02:56:50,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,854 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:56:50,854 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 [2022-11-22 02:56:50,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:50,896 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:56:50,897 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 [2022-11-22 02:56:50,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:50,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:50,941 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:50,941 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 [2022-11-22 02:56:50,964 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 [2022-11-22 02:56:50,975 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 [2022-11-22 02:56:51,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:51,098 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 02:56:51,098 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 339 treesize of output 292 [2022-11-22 02:56:51,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:51,196 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 02:56:51,196 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 250 treesize of output 247 [2022-11-22 02:56:51,252 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:51,252 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 02:56:52,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,141 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:56:52,141 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 [2022-11-22 02:56:52,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:52,196 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:56:52,196 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 [2022-11-22 02:56:52,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:52,235 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:52,235 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 [2022-11-22 02:56:52,246 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 [2022-11-22 02:56:52,257 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 [2022-11-22 02:56:52,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,426 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:56:52,427 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 [2022-11-22 02:56:52,437 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 [2022-11-22 02:56:52,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:52,478 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:56:52,478 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 [2022-11-22 02:56:52,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:56:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:56:52,519 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:56:52,519 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 [2022-11-22 02:56:52,530 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 [2022-11-22 02:56:52,763 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 02:56:52,773 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:56:56,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [935364274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:56:56,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:56:56,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [4, 3, 4] total 23 [2022-11-22 02:56:56,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52159846] [2022-11-22 02:56:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:56:56,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-22 02:56:56,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:56:56,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-22 02:56:56,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2022-11-22 02:56:56,676 INFO L87 Difference]: Start difference. First operand 86 states and 107 transitions. Second operand has 18 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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) [2022-11-22 02:57:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:57:00,048 INFO L93 Difference]: Finished difference Result 136 states and 171 transitions. [2022-11-22 02:57:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 02:57:00,052 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 23 [2022-11-22 02:57:00,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:57:00,053 INFO L225 Difference]: With dead ends: 136 [2022-11-22 02:57:00,053 INFO L226 Difference]: Without dead ends: 78 [2022-11-22 02:57:00,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2022-11-22 02:57:00,055 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 105 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:57:00,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 447 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 02:57:00,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-22 02:57:00,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2022-11-22 02:57:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 60 states have internal predecessors, (77), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:57:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-11-22 02:57:00,074 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 23 [2022-11-22 02:57:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:57:00,075 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-11-22 02:57:00,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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) [2022-11-22 02:57:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-11-22 02:57:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 02:57:00,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:57:00,076 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:57:00,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 02:57:00,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 02:57:00,283 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:57:00,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:57:00,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1520748397, now seen corresponding path program 1 times [2022-11-22 02:57:00,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:57:00,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492466805] [2022-11-22 02:57:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:57:00,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:57:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:57:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 02:57:00,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:57:00,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492466805] [2022-11-22 02:57:00,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492466805] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:57:00,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844966738] [2022-11-22 02:57:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:57:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:57:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:57:00,454 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:57:00,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 02:57:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:57:00,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:57:00,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:57:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 02:57:00,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:57:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 02:57:00,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844966738] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:57:00,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [759472122] [2022-11-22 02:57:00,873 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-22 02:57:00,873 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:57:00,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:57:00,874 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:57:00,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:57:01,105 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:57:01,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:57:01,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-22 02:57:01,142 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 [2022-11-22 02:57:01,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 02:57:01,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:01,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:01,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-22 02:57:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,297 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 [2022-11-22 02:57:01,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:01,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:01,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:01,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:01,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-22 02:57:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,490 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 [2022-11-22 02:57:01,797 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 [2022-11-22 02:57:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:01,969 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-22 02:57:01,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-22 02:57:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,012 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 02:57:02,012 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 854 treesize of output 847 [2022-11-22 02:57:02,157 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 [2022-11-22 02:57:02,210 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 [2022-11-22 02:57:02,216 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 [2022-11-22 02:57:02,223 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 [2022-11-22 02:57:02,332 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 [2022-11-22 02:57:02,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:57:02,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:57:02,415 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 [2022-11-22 02:57:02,424 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 [2022-11-22 02:57:02,455 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 [2022-11-22 02:57:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,467 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 40 treesize of output 16 [2022-11-22 02:57:02,490 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-22 02:57:02,491 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 [2022-11-22 02:57:02,504 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 [2022-11-22 02:57:02,537 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:57:02,537 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 [2022-11-22 02:57:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,591 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 [2022-11-22 02:57:02,650 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 02:57:02,651 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 [2022-11-22 02:57:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,686 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 150 treesize of output 64 [2022-11-22 02:57:02,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:02,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:02,748 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 02:57:02,748 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 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 02:57:02,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 42 [2022-11-22 02:57:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:02,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:02,878 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 02:57:02,879 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 [2022-11-22 02:57:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:02,940 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:57:02,941 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 02:57:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:02,962 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 [2022-11-22 02:57:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,076 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 345 treesize of output 209 [2022-11-22 02:57:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,117 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 02:57:03,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 103 [2022-11-22 02:57:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,137 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 [2022-11-22 02:57:03,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,314 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:57:03,315 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 [2022-11-22 02:57:03,324 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 [2022-11-22 02:57:03,332 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 [2022-11-22 02:57:03,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,371 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:57:03,371 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 [2022-11-22 02:57:03,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,411 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:03,412 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 [2022-11-22 02:57:03,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,557 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:57:03,558 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 [2022-11-22 02:57:03,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,598 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:57:03,599 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 [2022-11-22 02:57:03,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:03,653 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:03,654 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 [2022-11-22 02:57:03,666 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 [2022-11-22 02:57:03,676 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 [2022-11-22 02:57:03,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,786 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 02:57:03,786 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 339 treesize of output 292 [2022-11-22 02:57:03,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:03,862 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 02:57:03,862 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 250 treesize of output 247 [2022-11-22 02:57:03,904 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:03,904 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 02:57:04,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:04,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,021 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:57:05,021 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 [2022-11-22 02:57:05,032 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 [2022-11-22 02:57:05,042 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 [2022-11-22 02:57:05,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:05,086 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:57:05,086 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 [2022-11-22 02:57:05,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:05,131 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:05,131 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 [2022-11-22 02:57:05,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,294 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:57:05,294 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 [2022-11-22 02:57:05,320 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 [2022-11-22 02:57:05,329 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 [2022-11-22 02:57:05,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:05,373 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:57:05,374 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 [2022-11-22 02:57:05,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:05,415 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:05,415 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 [2022-11-22 02:57:05,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,520 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 02:57:05,522 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 339 treesize of output 292 [2022-11-22 02:57:05,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:05,600 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 02:57:05,600 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 250 treesize of output 247 [2022-11-22 02:57:05,643 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:05,644 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 02:57:06,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,615 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:57:06,616 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 [2022-11-22 02:57:06,624 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 [2022-11-22 02:57:06,632 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 [2022-11-22 02:57:06,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:06,670 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:57:06,670 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 [2022-11-22 02:57:06,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:06,708 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:06,708 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 [2022-11-22 02:57:06,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,860 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:57:06,860 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 [2022-11-22 02:57:06,869 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 [2022-11-22 02:57:06,877 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 [2022-11-22 02:57:06,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:06,914 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:57:06,915 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 [2022-11-22 02:57:06,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:06,953 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:57:06,953 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 [2022-11-22 02:57:07,036 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 02:57:07,043 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:57:10,038 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3701#(and (<= ~bb_errno~0.base 10) (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (< 2147483646 |ULTIMATE.start_main_~i~4#1|) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (<= ~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|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0))' at error location [2022-11-22 02:57:10,038 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:57:10,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:57:10,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2022-11-22 02:57:10,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768329227] [2022-11-22 02:57:10,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:57:10,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 02:57:10,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:57:10,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 02:57:10,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-11-22 02:57:10,039 INFO L87 Difference]: Start difference. First operand 65 states and 81 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) [2022-11-22 02:57:10,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:57:10,134 INFO L93 Difference]: Finished difference Result 134 states and 168 transitions. [2022-11-22 02:57:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:57:10,134 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 25 [2022-11-22 02:57:10,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:57:10,135 INFO L225 Difference]: With dead ends: 134 [2022-11-22 02:57:10,135 INFO L226 Difference]: Without dead ends: 74 [2022-11-22 02:57:10,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-11-22 02:57:10,136 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 8 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:57:10,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 275 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:57:10,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-22 02:57:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-22 02:57:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 69 states have internal predecessors, (86), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:57:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 90 transitions. [2022-11-22 02:57:10,151 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 90 transitions. Word has length 25 [2022-11-22 02:57:10,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:57:10,151 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 90 transitions. [2022-11-22 02:57:10,152 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) [2022-11-22 02:57:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2022-11-22 02:57:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 02:57:10,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:57:10,153 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] [2022-11-22 02:57:10,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-22 02:57:10,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 02:57:10,355 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 02:57:10,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:57:10,355 INFO L85 PathProgramCache]: Analyzing trace with hash -187948637, now seen corresponding path program 2 times [2022-11-22 02:57:10,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:57:10,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292110736] [2022-11-22 02:57:10,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:57:10,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:57:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:57:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 02:57:10,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:57:10,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292110736] [2022-11-22 02:57:10,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292110736] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:57:10,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586438184] [2022-11-22 02:57:10,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:57:10,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:57:10,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:57:10,579 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:57:10,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 02:57:10,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 02:57:10,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:57:10,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:57:10,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:57:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-22 02:57:11,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:57:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-22 02:57:11,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586438184] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:57:11,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [281993531] [2022-11-22 02:57:11,116 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-22 02:57:11,117 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:57:11,117 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:57:11,117 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:57:11,118 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:57:11,159 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 [2022-11-22 02:57:11,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:11,556 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-22 02:57:11,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-22 02:57:11,839 INFO L321 Elim1Store]: treesize reduction 48, result has 59.0 percent of original size [2022-11-22 02:57:11,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 237 treesize of output 248 [2022-11-22 02:57:12,070 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,118 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,386 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,437 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,627 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,666 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,711 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:12,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:12,981 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,018 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,294 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,357 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:13,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:13,531 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,576 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,614 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,649 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,917 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:13,955 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,133 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,172 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,315 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,445 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 [2022-11-22 02:57:14,473 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,516 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,549 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,645 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,746 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:14,792 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,080 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,121 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:15,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:15,335 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,378 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,424 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,465 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,698 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,743 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:15,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:16,004 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,051 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,096 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:16,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:16,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:16,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:57:16,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-22 02:57:16,248 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 [2022-11-22 02:57:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:16,350 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,396 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 16 treesize of output 20 [2022-11-22 02:57:16,456 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,488 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,560 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:16,696 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 21 treesize of output 30 [2022-11-22 02:57:16,749 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,903 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,944 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:16,990 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:17,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:17,275 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,324 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,378 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:17,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:57:17,608 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,723 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,782 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,861 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,893 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,943 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:17,977 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,033 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,080 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,179 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,232 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,288 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,341 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,505 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,558 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,612 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:18,669 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:29,740 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-22 02:57:29,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-22 02:57:29,809 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 [2022-11-22 02:57:30,191 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:57:30,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:57:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:45,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 18888 treesize of output 13317 [2022-11-22 02:57:46,808 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 18816 treesize of output 18812 [2022-11-22 02:57:54,457 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:57:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:57:54,527 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 [2022-11-22 02:57:57,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:57:57,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:58:12,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:58:12,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 02:58:12,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 18246 treesize of output 12891 [2022-11-22 02:58:19,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:58:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:58:19,347 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 36 treesize of output 40 [2022-11-22 02:58:23,712 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 [2022-11-22 02:58:23,719 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 [2022-11-22 02:58:23,724 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 [2022-11-22 02:58:24,073 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:58:24,730 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:58:29,491 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5830 conjuctions. This might take some time... [2022-11-22 02:58:56,542 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5830 conjuctions. [2022-11-22 02:58:56,869 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:58:57,424 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:59:01,873 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5830 conjuctions. This might take some time... [2022-11-22 02:59:29,611 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5830 conjuctions. [2022-11-22 02:59:30,091 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-22 02:59:30,746 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:59:34,996 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5830 conjuctions. This might take some time... [2022-11-22 03:00:01,452 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5830 conjuctions. [2022-11-22 03:00:01,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:00:01,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:00:01,788 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 [2022-11-22 03:00:01,851 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 [2022-11-22 03:00:01,866 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 [2022-11-22 03:00:01,891 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 [2022-11-22 03:00:01,916 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 03:00:01,916 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 [2022-11-22 03:00:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:01,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-22 03:00:01,941 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 [2022-11-22 03:00:01,953 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 [2022-11-22 03:00:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,004 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 [2022-11-22 03:00:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,033 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 [2022-11-22 03:00:02,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,082 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 03:00:02,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 03:00:02,136 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 03:00:02,136 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 [2022-11-22 03:00:02,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 42 [2022-11-22 03:00:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,232 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 03:00:02,233 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 [2022-11-22 03:00:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,275 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 03:00:02,276 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 03:00:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,291 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 [2022-11-22 03:00:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,387 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 363 treesize of output 227 [2022-11-22 03:00:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,424 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 03:00:02,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 112 [2022-11-22 03:00:02,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,445 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 199 treesize of output 151 [2022-11-22 03:00:02,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,630 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:02,630 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 [2022-11-22 03:00:02,640 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 [2022-11-22 03:00:02,648 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 [2022-11-22 03:00:02,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,687 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:02,688 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 [2022-11-22 03:00:02,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,728 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:02,728 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 [2022-11-22 03:00:02,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,881 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:02,882 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 [2022-11-22 03:00:02,892 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 [2022-11-22 03:00:02,901 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 [2022-11-22 03:00:02,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,939 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:02,939 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 [2022-11-22 03:00:02,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:02,987 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:02,987 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 [2022-11-22 03:00:03,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:03,110 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 03:00:03,111 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 339 treesize of output 292 [2022-11-22 03:00:03,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:03,191 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 03:00:03,192 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 250 treesize of output 247 [2022-11-22 03:00:03,240 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:03,240 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 03:00:03,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:03,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,004 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:04,005 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 [2022-11-22 03:00:04,013 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 [2022-11-22 03:00:04,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:04,050 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:04,050 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 [2022-11-22 03:00:04,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:04,089 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:04,089 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 [2022-11-22 03:00:04,100 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 [2022-11-22 03:00:04,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,242 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:04,242 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 [2022-11-22 03:00:04,251 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 [2022-11-22 03:00:04,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:04,292 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:04,293 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 [2022-11-22 03:00:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:04,332 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:04,333 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 [2022-11-22 03:00:04,344 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 [2022-11-22 03:00:04,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,444 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 03:00:04,444 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 339 treesize of output 292 [2022-11-22 03:00:04,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:04,517 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 03:00:04,518 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 250 treesize of output 247 [2022-11-22 03:00:04,558 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:04,559 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 03:00:05,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,267 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:05,267 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 [2022-11-22 03:00:05,277 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 [2022-11-22 03:00:05,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:05,315 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:05,315 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 [2022-11-22 03:00:05,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:05,355 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:05,355 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 [2022-11-22 03:00:05,366 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 [2022-11-22 03:00:05,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,528 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:05,529 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 [2022-11-22 03:00:05,541 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 [2022-11-22 03:00:05,550 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 [2022-11-22 03:00:05,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:05,586 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:05,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 03:00:05,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:05,625 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:05,625 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 [2022-11-22 03:00:05,693 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 03:00:05,701 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 03:00:07,876 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4203#(and (<= ~bb_errno~0.base 10) (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (< 2147483646 |ULTIMATE.start_main_~i~4#1|) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (<= ~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|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0))' at error location [2022-11-22 03:00:07,876 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 03:00:07,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 03:00:07,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-11-22 03:00:07,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66144780] [2022-11-22 03:00:07,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 03:00:07,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 03:00:07,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:00:07,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 03:00:07,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-11-22 03:00:07,878 INFO L87 Difference]: Start difference. First operand 74 states and 90 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) [2022-11-22 03:00:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:00:08,107 INFO L93 Difference]: Finished difference Result 131 states and 164 transitions. [2022-11-22 03:00:08,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 03:00:08,108 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 34 [2022-11-22 03:00:08,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:00:08,108 INFO L225 Difference]: With dead ends: 131 [2022-11-22 03:00:08,109 INFO L226 Difference]: Without dead ends: 83 [2022-11-22 03:00:08,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2022-11-22 03:00:08,110 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 103 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 03:00:08,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 148 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 03:00:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-22 03:00:08,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 71. [2022-11-22 03:00:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 66 states have internal predecessors, (82), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:00:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2022-11-22 03:00:08,134 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 34 [2022-11-22 03:00:08,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:00:08,134 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2022-11-22 03:00:08,134 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) [2022-11-22 03:00:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-11-22 03:00:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-22 03:00:08,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:00:08,135 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:00:08,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-22 03:00:08,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:00:08,342 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:00:08,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:00:08,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1330919911, now seen corresponding path program 1 times [2022-11-22 03:00:08,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:00:08,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826588079] [2022-11-22 03:00:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:00:08,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:00:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:00:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 03:00:08,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:00:08,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826588079] [2022-11-22 03:00:08,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826588079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 03:00:08,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 03:00:08,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 03:00:08,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670513524] [2022-11-22 03:00:08,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 03:00:08,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 03:00:08,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:00:08,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 03:00:08,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 03:00:08,506 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-22 03:00:08,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:00:08,573 INFO L93 Difference]: Finished difference Result 76 states and 91 transitions. [2022-11-22 03:00:08,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 03:00:08,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 37 [2022-11-22 03:00:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:00:08,575 INFO L225 Difference]: With dead ends: 76 [2022-11-22 03:00:08,575 INFO L226 Difference]: Without dead ends: 74 [2022-11-22 03:00:08,575 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 [2022-11-22 03:00:08,576 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 03:00:08,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 03:00:08,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-22 03:00:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-22 03:00:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 64 states have (on average 1.328125) internal successors, (85), 69 states have internal predecessors, (85), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:00:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2022-11-22 03:00:08,599 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 37 [2022-11-22 03:00:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:00:08,602 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2022-11-22 03:00:08,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-22 03:00:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2022-11-22 03:00:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-22 03:00:08,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:00:08,606 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:00:08,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 03:00:08,606 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:00:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:00:08,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1137677766, now seen corresponding path program 1 times [2022-11-22 03:00:08,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:00:08,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589965215] [2022-11-22 03:00:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:00:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:00:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:00:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 03:00:08,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:00:08,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589965215] [2022-11-22 03:00:08,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589965215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 03:00:08,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 03:00:08,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 03:00:08,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55471423] [2022-11-22 03:00:08,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 03:00:08,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 03:00:08,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:00:08,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 03:00:08,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 03:00:08,854 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-22 03:00:08,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:00:08,949 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2022-11-22 03:00:08,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 03:00:08,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 37 [2022-11-22 03:00:08,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:00:08,950 INFO L225 Difference]: With dead ends: 74 [2022-11-22 03:00:08,950 INFO L226 Difference]: Without dead ends: 73 [2022-11-22 03:00:08,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 03:00:08,951 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 90 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 03:00:08,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 63 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 03:00:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-22 03:00:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-22 03:00:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 64 states have (on average 1.3125) internal successors, (84), 68 states have internal predecessors, (84), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:00:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2022-11-22 03:00:08,974 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 37 [2022-11-22 03:00:08,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:00:08,975 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2022-11-22 03:00:08,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-22 03:00:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2022-11-22 03:00:08,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-22 03:00:08,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:00:08,976 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:00:08,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 03:00:08,977 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:00:08,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:00:08,977 INFO L85 PathProgramCache]: Analyzing trace with hash -908272207, now seen corresponding path program 1 times [2022-11-22 03:00:08,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:00:08,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445525369] [2022-11-22 03:00:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:00:08,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:00:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:00:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 03:00:09,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:00:09,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445525369] [2022-11-22 03:00:09,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445525369] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 03:00:09,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404222209] [2022-11-22 03:00:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:00:09,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:00:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 03:00:09,253 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 03:00:09,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-22 03:00:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:00:09,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 03:00:09,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 03:00:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 03:00:09,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 03:00:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 03:00:09,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404222209] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 03:00:09,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [166529656] [2022-11-22 03:00:09,827 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 03:00:09,827 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 03:00:09,828 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 03:00:09,828 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 03:00:09,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 03:00:09,862 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 [2022-11-22 03:00:09,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:10,324 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-22 03:00:10,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-22 03:00:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:10,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 126 [2022-11-22 03:00:10,612 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:10,682 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:10,853 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:10,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:10,943 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 21 treesize of output 30 [2022-11-22 03:00:10,984 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 [2022-11-22 03:00:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:11,096 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,127 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 16 treesize of output 20 [2022-11-22 03:00:11,149 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,205 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,253 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,273 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,344 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,574 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,658 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:11,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:12,000 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:12,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:12,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:12,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:12,673 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:12,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:12,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:12,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:13,121 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:13,216 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:13,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:00:21,849 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 [2022-11-22 03:00:22,133 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 03:00:22,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 03:00:22,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 03:00:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:33,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 18556 treesize of output 13153 [2022-11-22 03:00:40,775 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:00:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:40,899 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 [2022-11-22 03:00:43,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:00:44,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:00:44,272 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 [2022-11-22 03:00:44,280 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 [2022-11-22 03:00:44,289 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 [2022-11-22 03:00:44,328 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 [2022-11-22 03:00:44,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 39 [2022-11-22 03:00:44,352 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 [2022-11-22 03:00:44,384 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 [2022-11-22 03:00:44,392 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 [2022-11-22 03:00:44,401 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 [2022-11-22 03:00:44,697 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 03:00:44,722 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:00:45,163 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 03:00:45,188 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:00:45,918 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 03:00:45,948 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:00:46,375 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 [2022-11-22 03:00:46,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:00:46,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:00:46,482 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 [2022-11-22 03:00:46,492 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 [2022-11-22 03:00:46,533 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 [2022-11-22 03:00:46,542 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 [2022-11-22 03:00:46,568 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-22 03:00:46,568 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 [2022-11-22 03:00:46,609 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 03:00:46,609 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 [2022-11-22 03:00:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-22 03:00:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,687 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 [2022-11-22 03:00:46,746 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-22 03:00:46,746 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 [2022-11-22 03:00:46,811 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 03:00:46,811 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 [2022-11-22 03:00:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,834 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 150 treesize of output 64 [2022-11-22 03:00:46,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:46,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,899 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 03:00:46,900 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 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 03:00:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:46,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:46,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,003 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 03:00:47,004 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 [2022-11-22 03:00:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,050 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 03:00:47,051 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 03:00:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,068 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 [2022-11-22 03:00:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,191 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 341 treesize of output 205 [2022-11-22 03:00:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,232 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 03:00:47,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 101 [2022-11-22 03:00:47,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,260 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 [2022-11-22 03:00:47,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,457 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:47,457 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 [2022-11-22 03:00:47,469 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 [2022-11-22 03:00:47,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,509 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:47,509 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 [2022-11-22 03:00:47,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,548 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:47,548 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 [2022-11-22 03:00:47,560 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 [2022-11-22 03:00:47,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,710 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:47,710 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 [2022-11-22 03:00:47,720 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 [2022-11-22 03:00:47,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,759 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:47,760 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 [2022-11-22 03:00:47,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:47,799 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:47,800 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 [2022-11-22 03:00:47,811 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 [2022-11-22 03:00:47,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:47,922 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 03:00:47,922 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 297 treesize of output 250 [2022-11-22 03:00:47,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:48,019 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 03:00:48,020 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 208 treesize of output 205 [2022-11-22 03:00:48,062 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:48,062 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 88 [2022-11-22 03:00:48,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:48,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:48,885 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:48,886 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 [2022-11-22 03:00:48,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:48,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:48,937 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:48,937 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 [2022-11-22 03:00:48,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:48,999 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:48,999 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 [2022-11-22 03:00:49,014 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 [2022-11-22 03:00:49,027 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 [2022-11-22 03:00:49,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,229 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:49,229 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 [2022-11-22 03:00:49,241 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 [2022-11-22 03:00:49,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:49,284 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:49,285 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 [2022-11-22 03:00:49,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:49,330 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:49,331 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 [2022-11-22 03:00:49,344 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 [2022-11-22 03:00:49,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,459 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 03:00:49,459 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 297 treesize of output 250 [2022-11-22 03:00:49,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:49,535 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 03:00:49,536 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 208 treesize of output 205 [2022-11-22 03:00:49,578 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:49,578 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 88 [2022-11-22 03:00:50,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,522 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:50,523 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 [2022-11-22 03:00:50,533 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 [2022-11-22 03:00:50,542 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 [2022-11-22 03:00:50,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:50,581 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:50,582 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 [2022-11-22 03:00:50,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:50,626 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:50,626 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 [2022-11-22 03:00:50,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,808 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:00:50,808 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 [2022-11-22 03:00:50,817 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 [2022-11-22 03:00:50,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:50,854 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:00:50,855 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 [2022-11-22 03:00:50,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:00:50,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:00:50,895 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:00:50,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 03:00:50,912 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 [2022-11-22 03:00:51,229 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 57 for LOIs [2022-11-22 03:00:51,240 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 03:00:56,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [166529656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 03:00:56,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 03:00:56,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [7, 6, 7] total 32 [2022-11-22 03:00:56,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311868473] [2022-11-22 03:00:56,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 03:00:56,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-22 03:00:56,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:00:56,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-22 03:00:56,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2022-11-22 03:00:56,344 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 21 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 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) [2022-11-22 03:00:58,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:00:58,735 INFO L93 Difference]: Finished difference Result 89 states and 107 transitions. [2022-11-22 03:00:58,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-22 03:00:58,736 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 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 38 [2022-11-22 03:00:58,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:00:58,737 INFO L225 Difference]: With dead ends: 89 [2022-11-22 03:00:58,737 INFO L226 Difference]: Without dead ends: 88 [2022-11-22 03:00:58,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 03:00:58,738 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 112 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 03:00:58,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 396 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 03:00:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-22 03:00:58,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2022-11-22 03:00:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.296875) internal successors, (83), 67 states have internal predecessors, (83), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:00:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2022-11-22 03:00:58,770 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 38 [2022-11-22 03:00:58,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:00:58,770 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2022-11-22 03:00:58,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 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) [2022-11-22 03:00:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-11-22 03:00:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 03:00:58,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:00:58,771 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:00:58,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-22 03:00:58,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-22 03:00:58,973 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:00:58,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:00:58,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1703344541, now seen corresponding path program 1 times [2022-11-22 03:00:58,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:00:58,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809409626] [2022-11-22 03:00:58,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:00:58,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:00:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:00:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 03:00:59,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:00:59,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809409626] [2022-11-22 03:00:59,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809409626] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 03:00:59,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816660374] [2022-11-22 03:00:59,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:00:59,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:00:59,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 03:00:59,201 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 03:00:59,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-22 03:00:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:00:59,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 03:00:59,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 03:00:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:00:59,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 03:00:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:00:59,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816660374] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 03:00:59,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1874046481] [2022-11-22 03:00:59,780 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 03:00:59,780 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 03:00:59,780 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 03:00:59,780 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 03:00:59,780 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 03:01:00,041 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 03:01:00,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 03:01:00,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:00,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:00,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 03:01:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-22 03:01:00,126 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 [2022-11-22 03:01:00,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:00,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-22 03:01:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-22 03:01:00,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:00,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:00,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:00,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-22 03:01:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,398 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 [2022-11-22 03:01:00,714 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 [2022-11-22 03:01:00,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,877 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-22 03:01:00,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-22 03:01:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:00,919 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:00,920 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 854 treesize of output 847 [2022-11-22 03:01:01,057 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 [2022-11-22 03:01:01,111 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 [2022-11-22 03:01:01,118 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 [2022-11-22 03:01:01,124 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 [2022-11-22 03:01:01,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:01:01,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:01:01,215 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 [2022-11-22 03:01:01,280 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 [2022-11-22 03:01:01,291 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 [2022-11-22 03:01:01,317 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 [2022-11-22 03:01:01,344 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 03:01:01,344 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 [2022-11-22 03:01:01,355 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 [2022-11-22 03:01:01,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-22 03:01:01,378 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 [2022-11-22 03:01:01,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,428 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 [2022-11-22 03:01:01,482 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-22 03:01:01,483 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 [2022-11-22 03:01:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,519 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 [2022-11-22 03:01:01,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:01,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:01,583 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 03:01:01,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 03:01:01,648 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 03:01:01,649 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 [2022-11-22 03:01:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:01,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:01,742 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 03:01:01,742 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 [2022-11-22 03:01:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:01,794 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 03:01:01,794 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 03:01:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,819 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 [2022-11-22 03:01:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,891 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 341 treesize of output 205 [2022-11-22 03:01:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,928 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 03:01:01,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 101 [2022-11-22 03:01:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:01,952 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 [2022-11-22 03:01:02,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,122 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:02,123 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 [2022-11-22 03:01:02,133 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 [2022-11-22 03:01:02,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:02,170 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:02,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 03:01:02,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:02,219 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:02,219 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 [2022-11-22 03:01:02,231 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 [2022-11-22 03:01:02,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,395 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:02,395 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 [2022-11-22 03:01:02,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:02,432 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:02,433 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 [2022-11-22 03:01:02,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:02,470 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:02,471 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 [2022-11-22 03:01:02,481 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 [2022-11-22 03:01:02,491 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 [2022-11-22 03:01:02,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,595 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 03:01:02,595 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 339 treesize of output 292 [2022-11-22 03:01:02,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:02,671 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 03:01:02,672 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 250 treesize of output 247 [2022-11-22 03:01:02,717 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:02,717 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 03:01:03,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,096 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:03,096 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 [2022-11-22 03:01:03,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:03,141 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:03,141 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 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 03:01:03,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:03,182 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:03,183 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 [2022-11-22 03:01:03,193 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 [2022-11-22 03:01:03,202 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 [2022-11-22 03:01:03,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,359 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:03,359 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 [2022-11-22 03:01:03,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:03,397 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:03,397 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 [2022-11-22 03:01:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:03,432 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:03,433 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 [2022-11-22 03:01:03,442 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 [2022-11-22 03:01:03,452 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 [2022-11-22 03:01:03,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,571 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-22 03:01:03,572 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 339 treesize of output 292 [2022-11-22 03:01:03,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:03,650 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-22 03:01:03,650 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 250 treesize of output 247 [2022-11-22 03:01:03,691 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:03,692 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 130 [2022-11-22 03:01:04,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,475 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:04,476 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 [2022-11-22 03:01:04,485 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 [2022-11-22 03:01:04,493 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 [2022-11-22 03:01:04,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:04,534 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:04,540 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 [2022-11-22 03:01:04,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:04,584 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:04,585 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 [2022-11-22 03:01:04,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,722 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:04,722 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 [2022-11-22 03:01:04,732 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 [2022-11-22 03:01:04,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:04,772 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:04,772 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 [2022-11-22 03:01:04,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:04,811 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:04,811 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 [2022-11-22 03:01:04,822 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 [2022-11-22 03:01:05,176 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-22 03:01:05,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 268 treesize of output 305 [2022-11-22 03:01:05,526 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 [2022-11-22 03:01:05,562 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 [2022-11-22 03:01:05,577 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 03:01:05,586 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 03:01:10,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1874046481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 03:01:10,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 03:01:10,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [3, 6, 7] total 33 [2022-11-22 03:01:10,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124061151] [2022-11-22 03:01:10,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 03:01:10,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-22 03:01:10,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:01:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-22 03:01:10,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=919, Unknown=0, NotChecked=0, Total=1056 [2022-11-22 03:01:10,632 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 21 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 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) [2022-11-22 03:01:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:01:14,594 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2022-11-22 03:01:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-22 03:01:14,595 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 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) Word has length 40 [2022-11-22 03:01:14,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:01:14,596 INFO L225 Difference]: With dead ends: 88 [2022-11-22 03:01:14,596 INFO L226 Difference]: Without dead ends: 79 [2022-11-22 03:01:14,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 87 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=179, Invalid=1227, Unknown=0, NotChecked=0, Total=1406 [2022-11-22 03:01:14,597 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 172 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 03:01:14,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 331 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 03:01:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-22 03:01:14,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2022-11-22 03:01:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 68 states have internal predecessors, (84), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:01:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2022-11-22 03:01:14,616 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 40 [2022-11-22 03:01:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:01:14,616 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2022-11-22 03:01:14,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 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) [2022-11-22 03:01:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2022-11-22 03:01:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-22 03:01:14,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:01:14,617 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:01:14,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-22 03:01:14,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-22 03:01:14,825 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:01:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:01:14,825 INFO L85 PathProgramCache]: Analyzing trace with hash 492488684, now seen corresponding path program 1 times [2022-11-22 03:01:14,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:01:14,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638669948] [2022-11-22 03:01:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:01:14,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:01:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:01:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 03:01:14,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:01:14,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638669948] [2022-11-22 03:01:14,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638669948] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 03:01:14,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136659307] [2022-11-22 03:01:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:01:14,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:01:14,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 03:01:14,983 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 03:01:15,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-22 03:01:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:01:15,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 03:01:15,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 03:01:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:01:15,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 03:01:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:01:15,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136659307] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 03:01:15,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2062030812] [2022-11-22 03:01:15,605 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-22 03:01:15,605 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 03:01:15,605 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 03:01:15,605 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 03:01:15,606 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 03:01:15,636 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 [2022-11-22 03:01:15,805 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-22 03:01:15,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-22 03:01:16,022 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 03:01:16,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 03:01:16,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-22 03:01:16,080 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 [2022-11-22 03:01:16,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-22 03:01:16,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,173 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 [2022-11-22 03:01:16,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:16,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:16,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:16,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-22 03:01:16,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,342 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 [2022-11-22 03:01:16,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,811 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-22 03:01:16,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-22 03:01:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:16,848 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:16,848 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 854 treesize of output 847 [2022-11-22 03:01:16,984 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 [2022-11-22 03:01:17,001 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 [2022-11-22 03:01:17,051 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 [2022-11-22 03:01:17,056 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 [2022-11-22 03:01:17,063 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 [2022-11-22 03:01:17,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:01:17,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:01:17,174 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 [2022-11-22 03:01:17,237 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 [2022-11-22 03:01:17,245 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 [2022-11-22 03:01:17,272 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 [2022-11-22 03:01:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,282 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 40 treesize of output 16 [2022-11-22 03:01:17,305 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-22 03:01:17,305 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 [2022-11-22 03:01:17,335 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 03:01:17,335 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 [2022-11-22 03:01:17,349 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 [2022-11-22 03:01:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,397 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 [2022-11-22 03:01:17,447 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 03:01:17,448 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 [2022-11-22 03:01:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,470 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 150 treesize of output 64 [2022-11-22 03:01:17,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:17,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:17,523 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 03:01:17,523 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 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 03:01:17,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37 treesize of output 42 [2022-11-22 03:01:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:17,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:17,632 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 03:01:17,632 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 [2022-11-22 03:01:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:17,682 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 03:01:17,683 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 03:01:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,702 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 [2022-11-22 03:01:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,796 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 345 treesize of output 209 [2022-11-22 03:01:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:17,833 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 03:01:17,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 103 [2022-11-22 03:01:17,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:17,856 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 [2022-11-22 03:01:17,938 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:17,938 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 [2022-11-22 03:01:17,971 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:17,971 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 90 treesize of output 80 [2022-11-22 03:01:17,981 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 [2022-11-22 03:01:18,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,166 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:18,166 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 [2022-11-22 03:01:18,176 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 [2022-11-22 03:01:18,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,213 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:18,213 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 [2022-11-22 03:01:18,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,251 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:18,251 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 [2022-11-22 03:01:18,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-22 03:01:18,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,293 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:18,293 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 [2022-11-22 03:01:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,309 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 [2022-11-22 03:01:18,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,349 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:18,349 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 [2022-11-22 03:01:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,392 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:18,393 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 287 treesize of output 172 [2022-11-22 03:01:18,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,411 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 [2022-11-22 03:01:18,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,451 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:18,451 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 [2022-11-22 03:01:18,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,590 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-22 03:01:18,590 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 569 treesize of output 366 [2022-11-22 03:01:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:18,668 INFO L321 Elim1Store]: treesize reduction 194, result has 19.8 percent of original size [2022-11-22 03:01:18,668 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 451 treesize of output 390 [2022-11-22 03:01:18,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,712 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:18,712 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 525 treesize of output 458 [2022-11-22 03:01:18,808 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:18,808 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 [2022-11-22 03:01:18,841 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:18,841 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 [2022-11-22 03:01:18,852 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 [2022-11-22 03:01:18,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:18,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,048 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:19,048 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 [2022-11-22 03:01:19,060 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 [2022-11-22 03:01:19,072 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 [2022-11-22 03:01:19,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,117 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:19,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 03:01:19,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,172 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:19,172 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 [2022-11-22 03:01:19,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,239 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:19,239 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 [2022-11-22 03:01:19,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,258 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 [2022-11-22 03:01:19,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,306 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:19,307 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 [2022-11-22 03:01:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,399 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:19,399 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 [2022-11-22 03:01:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:19,421 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 [2022-11-22 03:01:19,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,467 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:19,467 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 [2022-11-22 03:01:19,574 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:19,575 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 [2022-11-22 03:01:19,611 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:19,611 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 [2022-11-22 03:01:19,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 03:01:19,710 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:19,711 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 [2022-11-22 03:01:19,751 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:19,751 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 [2022-11-22 03:01:19,765 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 [2022-11-22 03:01:19,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:19,978 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:19,980 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 [2022-11-22 03:01:19,998 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 [2022-11-22 03:01:20,011 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 [2022-11-22 03:01:20,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,060 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:20,060 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 [2022-11-22 03:01:20,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,112 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:20,113 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 99 treesize of output 42 [2022-11-22 03:01:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,171 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:20,171 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 [2022-11-22 03:01:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,191 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 [2022-11-22 03:01:20,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,240 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:20,240 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 [2022-11-22 03:01:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,318 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:20,319 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 [2022-11-22 03:01:20,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:20,342 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 [2022-11-22 03:01:20,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,421 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:20,421 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 [2022-11-22 03:01:20,505 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:20,506 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 [2022-11-22 03:01:20,538 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:20,539 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 [2022-11-22 03:01:20,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 03:01:20,739 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 [2022-11-22 03:01:20,823 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 [2022-11-22 03:01:20,858 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 [2022-11-22 03:01:20,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:20,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,013 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:21,013 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 [2022-11-22 03:01:21,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:21,056 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:21,056 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 [2022-11-22 03:01:21,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:21,099 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:21,100 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 [2022-11-22 03:01:21,111 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 [2022-11-22 03:01:21,122 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 [2022-11-22 03:01:21,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,236 INFO L321 Elim1Store]: treesize reduction 104, result has 39.2 percent of original size [2022-11-22 03:01:21,236 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 239 treesize of output 184 [2022-11-22 03:01:21,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,294 INFO L321 Elim1Store]: treesize reduction 68, result has 40.9 percent of original size [2022-11-22 03:01:21,294 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 145 treesize of output 134 [2022-11-22 03:01:21,309 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 19 treesize of output 18 [2022-11-22 03:01:21,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,513 INFO L321 Elim1Store]: treesize reduction 92, result has 43.6 percent of original size [2022-11-22 03:01:21,513 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 449 treesize of output 446 [2022-11-22 03:01:21,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:21,604 INFO L321 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2022-11-22 03:01:21,604 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 400 treesize of output 293 [2022-11-22 03:01:21,720 INFO L321 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2022-11-22 03:01:21,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 177 treesize of output 209 [2022-11-22 03:01:33,361 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:33,362 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 [2022-11-22 03:01:33,399 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:33,400 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 [2022-11-22 03:01:33,410 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 [2022-11-22 03:01:33,447 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 03:01:33,456 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 03:01:38,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2062030812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 03:01:38,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 03:01:38,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [3, 6, 7] total 36 [2022-11-22 03:01:38,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791730890] [2022-11-22 03:01:38,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 03:01:38,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-22 03:01:38,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:01:38,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-22 03:01:38,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1110, Unknown=0, NotChecked=0, Total=1260 [2022-11-22 03:01:38,830 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 24 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 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) [2022-11-22 03:01:43,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:01:43,748 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2022-11-22 03:01:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-22 03:01:43,749 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 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) Word has length 43 [2022-11-22 03:01:43,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:01:43,749 INFO L225 Difference]: With dead ends: 83 [2022-11-22 03:01:43,749 INFO L226 Difference]: Without dead ends: 74 [2022-11-22 03:01:43,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=256, Invalid=1906, Unknown=0, NotChecked=0, Total=2162 [2022-11-22 03:01:43,751 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 123 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 03:01:43,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 427 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 03:01:43,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-22 03:01:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2022-11-22 03:01:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 68 states have internal predecessors, (84), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:01:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2022-11-22 03:01:43,772 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 43 [2022-11-22 03:01:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:01:43,772 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2022-11-22 03:01:43,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 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) [2022-11-22 03:01:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2022-11-22 03:01:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 03:01:43,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:01:43,773 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:01:43,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-22 03:01:43,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-22 03:01:43,974 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:01:43,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:01:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1312754448, now seen corresponding path program 1 times [2022-11-22 03:01:43,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:01:43,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640444786] [2022-11-22 03:01:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:01:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:01:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:01:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 03:01:44,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:01:44,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640444786] [2022-11-22 03:01:44,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640444786] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 03:01:44,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554815541] [2022-11-22 03:01:44,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:01:44,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:01:44,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 03:01:44,142 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 03:01:44,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-22 03:01:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:01:44,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 03:01:44,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 03:01:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:01:44,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 03:01:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:01:44,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554815541] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 03:01:44,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1113280927] [2022-11-22 03:01:44,755 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-22 03:01:44,755 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 03:01:44,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 03:01:44,756 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 03:01:44,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 03:01:44,993 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 03:01:44,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 03:01:45,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:45,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:45,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 03:01:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-22 03:01:45,077 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 [2022-11-22 03:01:45,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-22 03:01:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,170 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 18 treesize of output 22 [2022-11-22 03:01:45,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:45,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:45,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:45,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-22 03:01:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,318 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 [2022-11-22 03:01:45,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:01:45,646 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 [2022-11-22 03:01:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,809 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-22 03:01:45,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-22 03:01:45,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:45,851 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:45,852 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 854 treesize of output 847 [2022-11-22 03:01:45,981 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 [2022-11-22 03:01:46,032 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 [2022-11-22 03:01:46,036 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 [2022-11-22 03:01:46,042 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 [2022-11-22 03:01:46,125 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 [2022-11-22 03:01:46,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:01:46,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 03:01:46,202 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 [2022-11-22 03:01:46,213 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 [2022-11-22 03:01:46,238 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 [2022-11-22 03:01:46,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,248 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 40 treesize of output 16 [2022-11-22 03:01:46,276 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 03:01:46,277 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 [2022-11-22 03:01:46,293 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 [2022-11-22 03:01:46,308 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 [2022-11-22 03:01:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,368 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 [2022-11-22 03:01:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,405 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 [2022-11-22 03:01:46,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:46,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:46,470 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 03:01:46,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 03:01:46,545 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-22 03:01:46,545 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 [2022-11-22 03:01:46,611 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 03:01:46,611 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 [2022-11-22 03:01:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:46,692 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 03:01:46,692 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 [2022-11-22 03:01:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:46,738 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 03:01:46,739 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 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-22 03:01:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,757 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 [2022-11-22 03:01:46,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,831 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 363 treesize of output 227 [2022-11-22 03:01:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:46,868 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-22 03:01:46,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 112 [2022-11-22 03:01:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:46,892 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 199 treesize of output 151 [2022-11-22 03:01:46,987 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:46,987 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 [2022-11-22 03:01:47,041 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:47,041 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 [2022-11-22 03:01:47,051 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 [2022-11-22 03:01:47,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,216 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:47,217 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 [2022-11-22 03:01:47,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,258 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:47,258 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 [2022-11-22 03:01:47,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,296 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:47,297 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 [2022-11-22 03:01:47,308 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 [2022-11-22 03:01:47,318 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 [2022-11-22 03:01:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,350 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:47,351 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 [2022-11-22 03:01:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,365 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 [2022-11-22 03:01:47,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,403 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:47,403 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 [2022-11-22 03:01:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,451 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:47,451 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 [2022-11-22 03:01:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,470 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 [2022-11-22 03:01:47,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,509 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:47,510 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 [2022-11-22 03:01:47,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,657 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-22 03:01:47,658 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 555 treesize of output 352 [2022-11-22 03:01:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:47,722 INFO L321 Elim1Store]: treesize reduction 136, result has 26.9 percent of original size [2022-11-22 03:01:47,723 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 437 treesize of output 366 [2022-11-22 03:01:47,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:47,764 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:47,764 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 511 treesize of output 460 [2022-11-22 03:01:47,857 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:47,858 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 [2022-11-22 03:01:47,890 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:47,891 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 [2022-11-22 03:01:47,901 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 [2022-11-22 03:01:48,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,127 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:48,127 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 [2022-11-22 03:01:48,138 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 [2022-11-22 03:01:48,149 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 [2022-11-22 03:01:48,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,191 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:48,192 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 [2022-11-22 03:01:48,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,236 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:48,236 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 [2022-11-22 03:01:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,294 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:48,294 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 [2022-11-22 03:01:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,312 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 [2022-11-22 03:01:48,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,358 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:48,358 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 [2022-11-22 03:01:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,452 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:48,453 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 [2022-11-22 03:01:48,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,476 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 [2022-11-22 03:01:48,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,521 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:48,522 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 [2022-11-22 03:01:48,597 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:48,597 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 [2022-11-22 03:01:48,631 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:48,631 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 [2022-11-22 03:01:48,641 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 [2022-11-22 03:01:48,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,833 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:48,833 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 [2022-11-22 03:01:48,845 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 [2022-11-22 03:01:48,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,888 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:48,888 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 [2022-11-22 03:01:48,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:48,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:48,937 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:48,937 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 [2022-11-22 03:01:48,952 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 [2022-11-22 03:01:49,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:49,013 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:49,014 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 [2022-11-22 03:01:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,032 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 [2022-11-22 03:01:49,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:49,080 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:49,080 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 [2022-11-22 03:01:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:49,166 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 03:01:49,166 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 [2022-11-22 03:01:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:49,188 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 [2022-11-22 03:01:49,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:49,232 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 03:01:49,233 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 [2022-11-22 03:01:49,327 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:49,327 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 [2022-11-22 03:01:49,366 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:49,366 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 [2022-11-22 03:01:49,379 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 [2022-11-22 03:01:49,631 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 [2022-11-22 03:01:49,737 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 [2022-11-22 03:01:49,782 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 [2022-11-22 03:01:49,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:49,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:49,984 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 03:01:49,984 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 [2022-11-22 03:01:49,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:50,031 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 03:01:50,031 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 [2022-11-22 03:01:50,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:01:50,080 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 03:01:50,081 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 [2022-11-22 03:01:50,093 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 [2022-11-22 03:01:50,104 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 [2022-11-22 03:01:50,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,240 INFO L321 Elim1Store]: treesize reduction 104, result has 39.2 percent of original size [2022-11-22 03:01:50,240 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 239 treesize of output 184 [2022-11-22 03:01:50,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,311 INFO L321 Elim1Store]: treesize reduction 68, result has 40.9 percent of original size [2022-11-22 03:01:50,311 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 145 treesize of output 134 [2022-11-22 03:01:50,329 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 19 treesize of output 18 [2022-11-22 03:01:50,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,540 INFO L321 Elim1Store]: treesize reduction 92, result has 43.6 percent of original size [2022-11-22 03:01:50,540 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 449 treesize of output 446 [2022-11-22 03:01:50,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:01:50,626 INFO L321 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2022-11-22 03:01:50,626 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 400 treesize of output 293 [2022-11-22 03:01:50,775 INFO L321 Elim1Store]: treesize reduction 64, result has 54.6 percent of original size [2022-11-22 03:01:50,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 177 treesize of output 225 [2022-11-22 03:01:55,212 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:01:55,212 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:01:55,213 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:01:55,378 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:01:55,378 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:01:55,379 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 03:01:55,765 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 03:01:55,766 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 [2022-11-22 03:01:55,801 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 03:01:55,801 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 [2022-11-22 03:01:55,814 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 11 treesize of output 7 [2022-11-22 03:01:55,859 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 03:01:55,868 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 03:02:01,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1113280927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 03:02:01,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 03:02:01,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [3, 6, 7] total 37 [2022-11-22 03:02:01,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961814820] [2022-11-22 03:02:01,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 03:02:01,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 03:02:01,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 03:02:01,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 03:02:01,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1185, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 03:02:01,695 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 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) [2022-11-22 03:02:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 03:02:06,782 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2022-11-22 03:02:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-22 03:02:06,782 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 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 45 [2022-11-22 03:02:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 03:02:06,783 INFO L225 Difference]: With dead ends: 83 [2022-11-22 03:02:06,783 INFO L226 Difference]: Without dead ends: 74 [2022-11-22 03:02:06,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 97 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=235, Invalid=2117, Unknown=0, NotChecked=0, Total=2352 [2022-11-22 03:02:06,784 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 139 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 03:02:06,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 369 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 03:02:06,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-22 03:02:06,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2022-11-22 03:02:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.28125) internal successors, (82), 67 states have internal predecessors, (82), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 03:02:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 86 transitions. [2022-11-22 03:02:06,805 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 86 transitions. Word has length 45 [2022-11-22 03:02:06,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 03:02:06,805 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 86 transitions. [2022-11-22 03:02:06,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 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) [2022-11-22 03:02:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 86 transitions. [2022-11-22 03:02:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-22 03:02:06,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 03:02:06,806 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 03:02:06,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-22 03:02:07,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:02:07,007 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-22 03:02:07,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 03:02:07,007 INFO L85 PathProgramCache]: Analyzing trace with hash 669228515, now seen corresponding path program 1 times [2022-11-22 03:02:07,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 03:02:07,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792093557] [2022-11-22 03:02:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:02:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 03:02:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:02:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 03:02:07,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 03:02:07,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792093557] [2022-11-22 03:02:07,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792093557] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 03:02:07,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723776283] [2022-11-22 03:02:07,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 03:02:07,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 03:02:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 [2022-11-22 03:02:07,192 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 03:02:07,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8213d1-6738-4651-8024-69bfa970c659/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-22 03:02:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 03:02:07,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 03:02:07,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 03:02:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:02:07,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 03:02:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 03:02:07,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723776283] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 03:02:07,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [68695675] [2022-11-22 03:02:07,842 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-22 03:02:07,842 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 03:02:07,842 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 03:02:07,843 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 03:02:07,843 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 03:02:07,876 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 [2022-11-22 03:02:08,042 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-22 03:02:08,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-22 03:02:08,062 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 [2022-11-22 03:02:08,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:02:08,475 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-22 03:02:08,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-22 03:02:08,665 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2022-11-22 03:02:08,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 185 treesize of output 187 [2022-11-22 03:02:08,906 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:08,978 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:09,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:09,222 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:09,550 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:09,612 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:09,772 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:09,847 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,109 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,152 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,273 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,310 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,336 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,402 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,463 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,615 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,638 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,702 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,809 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,845 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,881 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:10,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,016 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,242 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,306 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,423 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,490 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,617 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,684 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,852 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:11,915 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:12,265 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:12,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:12,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:12,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:12,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:12,556 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:12,643 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:12,901 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:12,938 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:12,970 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,014 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 21 treesize of output 30 [2022-11-22 03:02:13,077 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,200 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,260 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,308 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,349 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,391 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,487 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:13,802 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 [2022-11-22 03:02:13,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:02:13,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:02:13,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:02:13,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 03:02:13,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-22 03:02:13,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:13,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:14,103 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:14,149 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,203 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 16 treesize of output 20 [2022-11-22 03:02:14,249 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:14,402 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:14,656 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:14,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:14,886 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:14,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:15,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:15,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 03:02:15,465 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:15,570 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:15,992 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,062 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,197 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,271 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,372 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,423 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,463 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,537 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,592 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 [2022-11-22 03:02:16,631 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,769 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:16,847 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:17,136 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:17,206 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:17,375 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:17,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:17,786 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:17,863 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 03:02:31,950 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 03:02:31,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 03:02:40,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:02:40,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-22 03:02:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:40,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:02:56,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 27253 treesize of output 19210 [2022-11-22 03:02:57,381 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 27157 treesize of output 27153 [2022-11-22 03:03:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 03:03:09,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-22 03:03:09,995 WARN L207 Elim1Store]: Array PQE input equivalent to false