./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/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_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 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-2329fc7 [2022-12-14 07:39:19,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:39:19,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:39:19,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:39:19,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:39:19,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:39:19,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:39:19,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:39:19,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:39:19,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:39:19,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:39:19,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:39:19,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:39:19,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:39:19,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:39:19,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:39:19,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:39:19,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:39:19,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:39:19,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:39:19,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:39:19,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:39:19,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:39:19,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:39:19,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:39:19,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:39:19,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:39:19,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:39:19,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:39:19,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:39:19,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:39:19,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:39:19,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:39:19,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:39:19,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:39:19,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:39:19,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:39:19,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:39:19,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:39:19,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:39:19,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:39:19,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:39:19,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:39:19,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:39:19,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:39:19,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:39:19,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:39:19,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:39:19,787 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:39:19,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:39:19,787 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:39:19,792 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:39:19,792 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:39:19,792 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:39:19,792 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:39:19,792 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:39:19,793 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:39:19,793 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:39:19,793 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:39:19,793 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:39:19,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:39:19,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:39:19,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:39:19,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:39:19,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:39:19,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:39:19,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:39:19,795 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:39:19,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:39:19,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:39:19,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:39:19,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:39:19,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:39:19,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:39:19,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:39:19,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:39:19,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:39:19,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:39:19,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:39:19,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:39:19,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:39:19,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:39:19,798 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_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-12-14 07:39:19,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:39:19,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:39:19,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:39:19,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:39:20,000 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:39:20,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-12-14 07:39:22,617 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:39:22,805 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:39:22,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-12-14 07:39:22,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/data/f7c088614/f1c332a1452447b5bcc1f147694ef099/FLAGf2a3377d4 [2022-12-14 07:39:22,827 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/data/f7c088614/f1c332a1452447b5bcc1f147694ef099 [2022-12-14 07:39:22,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:39:22,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:39:22,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:39:22,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:39:22,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:39:22,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:39:22" (1/1) ... [2022-12-14 07:39:22,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709eea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:22, skipping insertion in model container [2022-12-14 07:39:22,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:39:22" (1/1) ... [2022-12-14 07:39:22,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:39:22,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:39:23,272 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_6cc499cf-e589-41f2-a894-e9375ea20979/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-12-14 07:39:23,278 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 07:39:23,285 WARN L623 FunctionHandler]: Unknown extern function write [2022-12-14 07:39:23,294 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-12-14 07:39:23,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:39:23,313 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:39:23,345 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_6cc499cf-e589-41f2-a894-e9375ea20979/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-12-14 07:39:23,349 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 07:39:23,355 WARN L623 FunctionHandler]: Unknown extern function write [2022-12-14 07:39:23,361 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-12-14 07:39:23,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:39:23,413 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:39:23,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23 WrapperNode [2022-12-14 07:39:23,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:39:23,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:39:23,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:39:23,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:39:23,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,481 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 374 [2022-12-14 07:39:23,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:39:23,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:39:23,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:39:23,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:39:23,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:39:23,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:39:23,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:39:23,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:39:23,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (1/1) ... [2022-12-14 07:39:23,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:39:23,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:39:23,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:39:23,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:39:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:39:23,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:39:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:39:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:39:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:39:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:39:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:39:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-12-14 07:39:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:39:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:39:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:39:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:39:23,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:39:23,813 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:39:23,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:39:24,138 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:39:24,232 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:39:24,232 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-12-14 07:39:24,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:39:24 BoogieIcfgContainer [2022-12-14 07:39:24,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:39:24,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:39:24,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:39:24,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:39:24,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:39:22" (1/3) ... [2022-12-14 07:39:24,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:39:24, skipping insertion in model container [2022-12-14 07:39:24,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:39:23" (2/3) ... [2022-12-14 07:39:24,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:39:24, skipping insertion in model container [2022-12-14 07:39:24,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:39:24" (3/3) ... [2022-12-14 07:39:24,243 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-12-14 07:39:24,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:39:24,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-12-14 07:39:24,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:39:24,301 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;@acbc427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:39:24,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-12-14 07:39:24,304 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) [2022-12-14 07:39:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 07:39:24,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:39:24,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 07:39:24,310 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)] === [2022-12-14 07:39:24,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:39:24,314 INFO L85 PathProgramCache]: Analyzing trace with hash 348204, now seen corresponding path program 1 times [2022-12-14 07:39:24,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:39:24,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948919446] [2022-12-14 07:39:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:39:24,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:39:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:39:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:39:24,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:39:24,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948919446] [2022-12-14 07:39:24,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948919446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:39:24,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:39:24,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 07:39:24,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835004593] [2022-12-14 07:39:24,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:39:24,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:39:24,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:39:24,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:39:24,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:39:24,601 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) [2022-12-14 07:39:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:39:24,692 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2022-12-14 07:39:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:39:24,695 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 [2022-12-14 07:39:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:39:24,702 INFO L225 Difference]: With dead ends: 171 [2022-12-14 07:39:24,702 INFO L226 Difference]: Without dead ends: 88 [2022-12-14 07:39:24,704 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 [2022-12-14 07:39:24,706 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-12-14 07:39:24,707 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] [2022-12-14 07:39:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-14 07:39:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-12-14 07:39:24,735 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) [2022-12-14 07:39:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2022-12-14 07:39:24,737 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 3 [2022-12-14 07:39:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:39:24,737 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2022-12-14 07:39:24,737 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) [2022-12-14 07:39:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-12-14 07:39:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 07:39:24,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:39:24,738 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-12-14 07:39:24,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:39:24,739 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)] === [2022-12-14 07:39:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:39:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1783455300, now seen corresponding path program 1 times [2022-12-14 07:39:24,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:39:24,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202966359] [2022-12-14 07:39:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:39:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:39:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:39:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:39:24,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:39:24,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202966359] [2022-12-14 07:39:24,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202966359] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:39:24,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334042101] [2022-12-14 07:39:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:39:24,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:39:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:39:24,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:39:24,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:39:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:39:24,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:39:24,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:39:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:39:25,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:39:25,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334042101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:39:25,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:39:25,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-12-14 07:39:25,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999457533] [2022-12-14 07:39:25,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:39:25,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:39:25,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:39:25,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:39:25,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:39:25,010 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:39:25,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:39:25,068 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-12-14 07:39:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:39:25,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 07:39:25,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:39:25,070 INFO L225 Difference]: With dead ends: 88 [2022-12-14 07:39:25,070 INFO L226 Difference]: Without dead ends: 87 [2022-12-14 07:39:25,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:39:25,071 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 97 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:39:25,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 91 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:39:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-12-14 07:39:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-12-14 07:39:25,080 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) [2022-12-14 07:39:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-12-14 07:39:25,081 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 6 [2022-12-14 07:39:25,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:39:25,082 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-12-14 07:39:25,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:39:25,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-12-14 07:39:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 07:39:25,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:39:25,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-12-14 07:39:25,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:39:25,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:39:25,283 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)] === [2022-12-14 07:39:25,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:39:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash -547460503, now seen corresponding path program 1 times [2022-12-14 07:39:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:39:25,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83647663] [2022-12-14 07:39:25,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:39:25,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:39:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:39:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:39:25,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:39:25,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83647663] [2022-12-14 07:39:25,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83647663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:39:25,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:39:25,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:39:25,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313225628] [2022-12-14 07:39:25,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:39:25,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:39:25,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:39:25,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:39:25,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:39:25,354 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:39:25,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:39:25,398 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2022-12-14 07:39:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:39:25,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 07:39:25,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:39:25,400 INFO L225 Difference]: With dead ends: 87 [2022-12-14 07:39:25,400 INFO L226 Difference]: Without dead ends: 86 [2022-12-14 07:39:25,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:39:25,401 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:39:25,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:39:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-14 07:39:25,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-12-14 07:39:25,408 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) [2022-12-14 07:39:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2022-12-14 07:39:25,409 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 7 [2022-12-14 07:39:25,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:39:25,409 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2022-12-14 07:39:25,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:39:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-12-14 07:39:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:39:25,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:39:25,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:39:25,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:39:25,410 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)] === [2022-12-14 07:39:25,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:39:25,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1792518226, now seen corresponding path program 1 times [2022-12-14 07:39:25,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:39:25,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707136644] [2022-12-14 07:39:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:39:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:39:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:39:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:39:25,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:39:25,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707136644] [2022-12-14 07:39:25,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707136644] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:39:25,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806952637] [2022-12-14 07:39:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:39:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:39:25,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:39:25,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:39:25,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:39:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:39:25,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:39:25,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:39:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:39:25,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:39:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:39:25,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806952637] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:39:25,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [860030094] [2022-12-14 07:39:25,631 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 07:39:25,631 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:39:25,634 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:39:25,640 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:39:25,640 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:39:25,720 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 [2022-12-14 07:39:25,857 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-12-14 07:39:25,857 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 [2022-12-14 07:39:25,890 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 [2022-12-14 07:39:25,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:39:26,259 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-12-14 07:39:26,260 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 [2022-12-14 07:39:26,530 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2022-12-14 07:39:26,531 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 [2022-12-14 07:39:26,761 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:26,866 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 [2022-12-14 07:39:27,003 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,111 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,330 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,399 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,761 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,847 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,871 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,902 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:27,975 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,053 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,085 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 [2022-12-14 07:39:28,124 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,171 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,371 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,509 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,706 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:28,774 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,078 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 [2022-12-14 07:39:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,157 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 40 [2022-12-14 07:39:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,248 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 [2022-12-14 07:39:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,289 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 [2022-12-14 07:39:29,329 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 [2022-12-14 07:39:29,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:39:29,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:39:29,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:39:29,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:39:29,392 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 [2022-12-14 07:39:29,522 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,589 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,661 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,689 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,723 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:29,892 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 [2022-12-14 07:39:30,041 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,194 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,222 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,254 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,463 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,619 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,730 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:30,790 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 [2022-12-14 07:39:30,824 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,864 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:30,955 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:31,338 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:31,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:31,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:31,449 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 [2022-12-14 07:39:31,598 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:31,720 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:32,075 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:32,207 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:32,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:32,377 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 [2022-12-14 07:39:32,478 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:32,613 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:32,697 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:39:42,246 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:39:42,246 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 [2022-12-14 07:39:48,241 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 [2022-12-14 07:39:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:39:58,645 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 [2022-12-14 07:39:59,253 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 [2022-12-14 07:40:03,868 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:40:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:40:03,994 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 [2022-12-14 07:40:08,925 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 [2022-12-14 07:40:22,183 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 [2022-12-14 07:40:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:40:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:40:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:40:27,618 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 [2022-12-14 07:40:30,635 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 [2022-12-14 07:40:30,673 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 [2022-12-14 07:40:31,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:40:31,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:40:31,469 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 [2022-12-14 07:40:31,812 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:40:31,849 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:40:32,020 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:40:41,827 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:40:41,862 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:40:42,033 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:40:51,890 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:40:51,925 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:40:52,098 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:41:01,543 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 [2022-12-14 07:41:01,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:41:01,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:41:01,601 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:41:01,608 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:41:01,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [860030094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:01,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:41:01,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 3, 4] total 13 [2022-12-14 07:41:01,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864111397] [2022-12-14 07:41:01,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:01,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:41:01,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:01,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:41:01,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:41:01,962 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:41:02,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:02,231 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-12-14 07:41:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:41:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 07:41:02,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:02,232 INFO L225 Difference]: With dead ends: 86 [2022-12-14 07:41:02,232 INFO L226 Difference]: Without dead ends: 82 [2022-12-14 07:41:02,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:41:02,233 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 5 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:41:02,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 434 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:41:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-14 07:41:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-12-14 07:41:02,237 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) [2022-12-14 07:41:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-12-14 07:41:02,238 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 9 [2022-12-14 07:41:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:02,238 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-12-14 07:41:02,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:41:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-12-14 07:41:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 07:41:02,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:02,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:41:02,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:41:02,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:02,440 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)] === [2022-12-14 07:41:02,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:02,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1457669799, now seen corresponding path program 1 times [2022-12-14 07:41:02,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:02,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938461214] [2022-12-14 07:41:02,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:02,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:02,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:02,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938461214] [2022-12-14 07:41:02,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938461214] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:02,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273962662] [2022-12-14 07:41:02,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:02,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:02,549 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:02,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:41:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:02,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:41:02,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:41:02,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:41:02,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273962662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:02,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:41:02,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 07:41:02,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616412164] [2022-12-14 07:41:02,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:02,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:41:02,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:02,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:41:02,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:41:02,689 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) [2022-12-14 07:41:02,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:02,722 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2022-12-14 07:41:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:41:02,722 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 [2022-12-14 07:41:02,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:02,723 INFO L225 Difference]: With dead ends: 82 [2022-12-14 07:41:02,723 INFO L226 Difference]: Without dead ends: 81 [2022-12-14 07:41:02,723 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 [2022-12-14 07:41:02,723 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 82 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 89 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 [2022-12-14 07:41:02,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 89 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:41:02,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-14 07:41:02,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-12-14 07:41:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.6166666666666667) internal successors, (97), 76 states have internal predecessors, (97), 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) [2022-12-14 07:41:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2022-12-14 07:41:02,728 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 15 [2022-12-14 07:41:02,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:02,729 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2022-12-14 07:41:02,729 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) [2022-12-14 07:41:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2022-12-14 07:41:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 07:41:02,729 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:02,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:41:02,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:41:02,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:02,930 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)] === [2022-12-14 07:41:02,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:02,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1457680005, now seen corresponding path program 1 times [2022-12-14 07:41:02,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:02,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010769416] [2022-12-14 07:41:02,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:02,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:03,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:03,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010769416] [2022-12-14 07:41:03,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010769416] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:03,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165544587] [2022-12-14 07:41:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:03,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:03,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:03,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:03,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:41:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:03,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:41:03,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:41:03,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:41:03,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165544587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:03,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:41:03,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 07:41:03,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181087916] [2022-12-14 07:41:03,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:03,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:41:03,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:03,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:41:03,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:41:03,163 INFO L87 Difference]: Start difference. First operand 81 states and 101 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) [2022-12-14 07:41:03,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:03,217 INFO L93 Difference]: Finished difference Result 140 states and 179 transitions. [2022-12-14 07:41:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:41:03,217 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 [2022-12-14 07:41:03,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:03,218 INFO L225 Difference]: With dead ends: 140 [2022-12-14 07:41:03,218 INFO L226 Difference]: Without dead ends: 139 [2022-12-14 07:41:03,218 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 [2022-12-14 07:41:03,219 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 81 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:41:03,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 225 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:41:03,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-12-14 07:41:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 80. [2022-12-14 07:41:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.6) internal successors, (96), 75 states have internal predecessors, (96), 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) [2022-12-14 07:41:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2022-12-14 07:41:03,229 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 15 [2022-12-14 07:41:03,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:03,230 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2022-12-14 07:41:03,230 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) [2022-12-14 07:41:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2022-12-14 07:41:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 07:41:03,230 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:03,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:41:03,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:41:03,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 07:41:03,432 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:41:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:03,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2056876573, now seen corresponding path program 1 times [2022-12-14 07:41:03,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:03,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395534585] [2022-12-14 07:41:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:03,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:03,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:03,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395534585] [2022-12-14 07:41:03,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395534585] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:03,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122861843] [2022-12-14 07:41:03,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:03,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:03,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:03,633 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:03,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:41:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:03,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:41:03,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:41:03,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:41:03,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122861843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:03,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:41:03,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 07:41:03,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332610846] [2022-12-14 07:41:03,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:03,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:41:03,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:03,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:41:03,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:41:03,791 INFO L87 Difference]: Start difference. First operand 80 states and 100 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) [2022-12-14 07:41:03,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:03,845 INFO L93 Difference]: Finished difference Result 146 states and 186 transitions. [2022-12-14 07:41:03,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:41:03,846 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 [2022-12-14 07:41:03,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:03,846 INFO L225 Difference]: With dead ends: 146 [2022-12-14 07:41:03,846 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 07:41:03,847 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 [2022-12-14 07:41:03,847 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 79 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:41:03,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 159 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:41:03,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 07:41:03,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 86. [2022-12-14 07:41:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 81 states have internal predecessors, (105), 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) [2022-12-14 07:41:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2022-12-14 07:41:03,852 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 16 [2022-12-14 07:41:03,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:03,853 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2022-12-14 07:41:03,853 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) [2022-12-14 07:41:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2022-12-14 07:41:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 07:41:03,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:03,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:41:03,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 07:41:04,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:04,054 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:41:04,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:04,055 INFO L85 PathProgramCache]: Analyzing trace with hash 2056560180, now seen corresponding path program 1 times [2022-12-14 07:41:04,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:04,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765329621] [2022-12-14 07:41:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:04,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:04,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765329621] [2022-12-14 07:41:04,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765329621] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:04,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951513004] [2022-12-14 07:41:04,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:04,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:04,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:04,205 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:04,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 07:41:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:04,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:41:04,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 07:41:04,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:41:04,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951513004] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:04,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:41:04,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 07:41:04,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919734687] [2022-12-14 07:41:04,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:04,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:41:04,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:04,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:41:04,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:41:04,386 INFO L87 Difference]: Start difference. First operand 86 states and 109 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) [2022-12-14 07:41:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:04,422 INFO L93 Difference]: Finished difference Result 162 states and 208 transitions. [2022-12-14 07:41:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:41:04,423 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 [2022-12-14 07:41:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:04,424 INFO L225 Difference]: With dead ends: 162 [2022-12-14 07:41:04,424 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 07:41:04,424 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 [2022-12-14 07:41:04,424 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:41:04,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:41:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 07:41:04,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-12-14 07:41:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.5416666666666667) internal successors, (111), 87 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) [2022-12-14 07:41:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2022-12-14 07:41:04,430 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 16 [2022-12-14 07:41:04,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:04,430 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2022-12-14 07:41:04,430 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) [2022-12-14 07:41:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2022-12-14 07:41:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 07:41:04,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:04,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:41:04,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 07:41:04,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:04,632 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:41:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:04,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2065917436, now seen corresponding path program 1 times [2022-12-14 07:41:04,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:04,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121067206] [2022-12-14 07:41:04,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:04,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:04,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:04,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121067206] [2022-12-14 07:41:04,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121067206] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:04,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389106428] [2022-12-14 07:41:04,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:04,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:04,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:04,713 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:04,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 07:41:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:04,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:41:04,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:04,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:41:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:41:04,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389106428] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:41:04,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2030758277] [2022-12-14 07:41:04,893 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 07:41:04,893 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:41:04,893 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:41:04,893 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:41:04,894 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:41:04,916 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 [2022-12-14 07:41:04,921 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 [2022-12-14 07:41:05,058 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-12-14 07:41:05,058 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 [2022-12-14 07:41:05,246 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:41:05,246 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 [2022-12-14 07:41:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,272 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 [2022-12-14 07:41:05,291 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 [2022-12-14 07:41:05,339 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 [2022-12-14 07:41:05,348 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 [2022-12-14 07:41:05,368 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 [2022-12-14 07:41:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,380 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 [2022-12-14 07:41:05,457 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 [2022-12-14 07:41:05,467 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 [2022-12-14 07:41:05,483 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 [2022-12-14 07:41:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,504 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 [2022-12-14 07:41:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,912 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-12-14 07:41:05,912 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 [2022-12-14 07:41:05,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:05,946 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:41:05,947 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 [2022-12-14 07:41:06,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:41:06,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:41:06,110 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 [2022-12-14 07:41:06,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:41:06,119 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 [2022-12-14 07:41:06,190 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 [2022-12-14 07:41:06,197 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 [2022-12-14 07:41:06,203 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 [2022-12-14 07:41:06,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:41:06,262 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 12 treesize of output 11 [2022-12-14 07:41:06,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:41:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:06,291 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 [2022-12-14 07:41:06,314 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:41:06,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:41:06,325 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 [2022-12-14 07:41:06,335 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 [2022-12-14 07:41:06,349 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:41:06,357 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:41:07,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2030758277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:07,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:41:07,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-12-14 07:41:07,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146401356] [2022-12-14 07:41:07,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:07,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 07:41:07,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:07,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 07:41:07,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-12-14 07:41:07,512 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2022-12-14 07:41:07,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:07,751 INFO L93 Difference]: Finished difference Result 152 states and 192 transitions. [2022-12-14 07:41:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 07:41:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 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 [2022-12-14 07:41:07,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:07,752 INFO L225 Difference]: With dead ends: 152 [2022-12-14 07:41:07,752 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 07:41:07,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-12-14 07:41:07,753 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 1 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:41:07,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:41:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 07:41:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-12-14 07:41:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.5277777777777777) internal successors, (110), 87 states have internal predecessors, (110), 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) [2022-12-14 07:41:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2022-12-14 07:41:07,758 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 114 transitions. Word has length 16 [2022-12-14 07:41:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:07,758 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 114 transitions. [2022-12-14 07:41:07,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2022-12-14 07:41:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2022-12-14 07:41:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 07:41:07,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:07,759 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:41:07,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 07:41:07,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:07,961 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:41:07,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:07,962 INFO L85 PathProgramCache]: Analyzing trace with hash -724081480, now seen corresponding path program 1 times [2022-12-14 07:41:07,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:07,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961203084] [2022-12-14 07:41:07,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:07,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:41:08,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:08,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961203084] [2022-12-14 07:41:08,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961203084] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:08,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804487767] [2022-12-14 07:41:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:08,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:08,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:08,066 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:08,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 07:41:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:08,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:41:08,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:41:08,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:41:08,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804487767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:41:08,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:41:08,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 07:41:08,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878440696] [2022-12-14 07:41:08,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:41:08,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:41:08,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:41:08,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:41:08,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:41:08,258 INFO L87 Difference]: Start difference. First operand 92 states and 114 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) [2022-12-14 07:41:08,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:41:08,298 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-12-14 07:41:08,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:41:08,298 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 [2022-12-14 07:41:08,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:41:08,299 INFO L225 Difference]: With dead ends: 92 [2022-12-14 07:41:08,299 INFO L226 Difference]: Without dead ends: 91 [2022-12-14 07:41:08,300 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 [2022-12-14 07:41:08,300 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:41:08,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:41:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-14 07:41:08,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2022-12-14 07:41:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.5294117647058822) 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) [2022-12-14 07:41:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-12-14 07:41:08,307 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 19 [2022-12-14 07:41:08,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:41:08,307 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-12-14 07:41:08,307 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) [2022-12-14 07:41:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-12-14 07:41:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 07:41:08,308 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:41:08,308 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] [2022-12-14 07:41:08,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 07:41:08,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 07:41:08,510 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)] === [2022-12-14 07:41:08,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:41:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash 629860307, now seen corresponding path program 1 times [2022-12-14 07:41:08,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:41:08,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293346977] [2022-12-14 07:41:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:08,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:41:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:41:08,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:41:08,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293346977] [2022-12-14 07:41:08,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293346977] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:41:08,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853972257] [2022-12-14 07:41:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:41:08,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:41:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:41:08,699 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:41:08,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 07:41:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:41:08,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:41:08,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:41:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:41:08,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:41:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:41:08,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853972257] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:41:08,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [318811835] [2022-12-14 07:41:08,910 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 07:41:08,910 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:41:08,911 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:41:08,911 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:41:08,911 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:41:08,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:41:09,245 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-12-14 07:41:09,246 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 [2022-12-14 07:41:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:41:09,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 185 [2022-12-14 07:41:09,421 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:09,502 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 [2022-12-14 07:41:09,562 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:09,979 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,025 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,053 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,068 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,110 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,222 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 [2022-12-14 07:41:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,280 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 [2022-12-14 07:41:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,345 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 [2022-12-14 07:41:10,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,414 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 [2022-12-14 07:41:10,452 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 [2022-12-14 07:41:10,531 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,605 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,671 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:10,714 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 [2022-12-14 07:41:10,737 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:10,925 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:11,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:11,048 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 [2022-12-14 07:41:11,134 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:11,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:11,658 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 [2022-12-14 07:41:11,747 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:12,053 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 [2022-12-14 07:41:12,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:12,338 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:41:23,126 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 [2022-12-14 07:41:23,292 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:41:23,292 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 [2022-12-14 07:41:23,330 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 [2022-12-14 07:41:23,369 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 [2022-12-14 07:41:30,979 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 [2022-12-14 07:41:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:41:51,580 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 31589 treesize of output 21850 [2022-12-14 07:42:02,166 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:42:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:02,461 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 [2022-12-14 07:42:08,885 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 [2022-12-14 07:42:29,257 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 [2022-12-14 07:42:29,479 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 33618 treesize of output 23907 [2022-12-14 07:42:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:39,026 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 [2022-12-14 07:42:44,357 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 [2022-12-14 07:42:45,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:42:45,868 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 [2022-12-14 07:42:45,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:42:46,476 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:42:46,592 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 07:42:46,917 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:42:54,677 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:42:54,798 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 07:42:55,116 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:43:02,970 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:43:03,086 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 07:43:03,469 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:43:11,418 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 [2022-12-14 07:43:11,422 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 [2022-12-14 07:43:11,427 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 [2022-12-14 07:43:11,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:43:11,493 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 [2022-12-14 07:43:11,518 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-12-14 07:43:11,518 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 [2022-12-14 07:43:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-12-14 07:43:11,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:43:11,555 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:43:11,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:43:11,564 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 [2022-12-14 07:43:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,594 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 [2022-12-14 07:43:11,622 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:43:11,623 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 [2022-12-14 07:43:11,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,636 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 [2022-12-14 07:43:11,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,669 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:43:11,669 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 [2022-12-14 07:43:11,682 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 [2022-12-14 07:43:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,749 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:43:11,749 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 [2022-12-14 07:43:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,785 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:43:11,785 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 [2022-12-14 07:43:11,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,798 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 [2022-12-14 07:43:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,858 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 [2022-12-14 07:43:11,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,887 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:43:11,887 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 [2022-12-14 07:43:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:11,902 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 [2022-12-14 07:43:11,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:11,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,029 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:43:12,029 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 [2022-12-14 07:43:12,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:12,058 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:43:12,058 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 [2022-12-14 07:43:12,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:12,095 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:12,095 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 [2022-12-14 07:43:12,102 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 [2022-12-14 07:43:12,108 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 [2022-12-14 07:43:12,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,214 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:43:12,215 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 [2022-12-14 07:43:12,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:12,239 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:43:12,239 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 [2022-12-14 07:43:12,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:12,260 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:12,260 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 [2022-12-14 07:43:12,267 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 [2022-12-14 07:43:12,272 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 [2022-12-14 07:43:12,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,360 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:43:12,360 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 [2022-12-14 07:43:12,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:12,416 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:43:12,417 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 [2022-12-14 07:43:12,448 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:12,448 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 [2022-12-14 07:43:13,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,159 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:43:13,159 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 07:43:13,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 07:43:13,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2022-12-14 07:43:13,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:13,195 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:43:13,196 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 [2022-12-14 07:43:13,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:13,225 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:13,225 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 [2022-12-14 07:43:13,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,348 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:43:13,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 07:43:13,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:13,381 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:43:13,381 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 [2022-12-14 07:43:13,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:13,408 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:13,408 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 [2022-12-14 07:43:13,416 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 [2022-12-14 07:43:13,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 07:43:13,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,503 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:43:13,503 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 [2022-12-14 07:43:13,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,560 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:43:13,561 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 [2022-12-14 07:43:13,590 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:13,591 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 [2022-12-14 07:43:13,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:13,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,037 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:43:14,037 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 [2022-12-14 07:43:14,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:14,063 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:43:14,063 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 [2022-12-14 07:43:14,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:14,086 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:14,086 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 99 treesize of output 42 [2022-12-14 07:43:14,091 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 [2022-12-14 07:43:14,097 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 [2022-12-14 07:43:14,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,221 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:43:14,221 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 [2022-12-14 07:43:14,227 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 [2022-12-14 07:43:14,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:14,252 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:43:14,252 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 [2022-12-14 07:43:14,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:14,275 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:43:14,275 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 [2022-12-14 07:43:14,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 07:43:14,424 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:43:14,431 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:43:16,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [318811835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:43:16,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:43:16,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4, 3, 4] total 20 [2022-12-14 07:43:16,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768324311] [2022-12-14 07:43:16,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:43:16,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 07:43:16,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:43:16,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 07:43:16,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-12-14 07:43:16,235 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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) [2022-12-14 07:43:17,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:43:17,477 INFO L93 Difference]: Finished difference Result 137 states and 172 transitions. [2022-12-14 07:43:17,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 07:43:17,477 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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 [2022-12-14 07:43:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:43:17,478 INFO L225 Difference]: With dead ends: 137 [2022-12-14 07:43:17,478 INFO L226 Difference]: Without dead ends: 79 [2022-12-14 07:43:17,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2022-12-14 07:43:17,478 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 199 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:43:17,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 249 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 07:43:17,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-14 07:43:17,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2022-12-14 07:43:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 61 states have internal predecessors, (78), 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) [2022-12-14 07:43:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2022-12-14 07:43:17,489 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 23 [2022-12-14 07:43:17,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:43:17,489 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2022-12-14 07:43:17,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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) [2022-12-14 07:43:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-12-14 07:43:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 07:43:17,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:43:17,490 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, 1, 1] [2022-12-14 07:43:17,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 07:43:17,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:43:17,692 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:43:17,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:43:17,693 INFO L85 PathProgramCache]: Analyzing trace with hash -486179148, now seen corresponding path program 1 times [2022-12-14 07:43:17,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:43:17,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30859177] [2022-12-14 07:43:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:43:17,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:43:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:43:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:43:17,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:43:17,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30859177] [2022-12-14 07:43:17,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30859177] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:43:17,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914668264] [2022-12-14 07:43:17,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:43:17,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:43:17,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:43:17,809 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:43:17,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 07:43:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:43:18,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:43:18,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:43:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:43:18,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:43:18,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914668264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:43:18,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:43:18,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 07:43:18,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287228737] [2022-12-14 07:43:18,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:43:18,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:43:18,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:43:18,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:43:18,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:43:18,025 INFO L87 Difference]: Start difference. First operand 66 states and 82 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) [2022-12-14 07:43:18,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:43:18,075 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2022-12-14 07:43:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:43:18,075 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 25 [2022-12-14 07:43:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:43:18,076 INFO L225 Difference]: With dead ends: 66 [2022-12-14 07:43:18,076 INFO L226 Difference]: Without dead ends: 65 [2022-12-14 07:43:18,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:43:18,077 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:43:18,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 105 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:43:18,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-14 07:43:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-12-14 07:43:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 55 states have (on average 1.4) 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) [2022-12-14 07:43:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-12-14 07:43:18,093 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 25 [2022-12-14 07:43:18,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:43:18,094 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-12-14 07:43:18,094 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) [2022-12-14 07:43:18,094 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-12-14 07:43:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 07:43:18,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:43:18,094 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, 1, 1] [2022-12-14 07:43:18,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 07:43:18,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:43:18,296 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:43:18,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:43:18,297 INFO L85 PathProgramCache]: Analyzing trace with hash -292937003, now seen corresponding path program 1 times [2022-12-14 07:43:18,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:43:18,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659199705] [2022-12-14 07:43:18,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:43:18,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:43:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:43:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:43:18,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:43:18,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659199705] [2022-12-14 07:43:18,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659199705] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:43:18,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683455936] [2022-12-14 07:43:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:43:18,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:43:18,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:43:18,427 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:43:18,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 07:43:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:43:18,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:43:18,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:43:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:43:18,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:43:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:43:18,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683455936] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:43:18,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1518704073] [2022-12-14 07:43:18,624 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-12-14 07:43:18,624 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:43:18,625 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:43:18,625 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:43:18,625 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:43:18,644 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 [2022-12-14 07:43:18,759 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-12-14 07:43:18,760 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 [2022-12-14 07:43:18,773 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 [2022-12-14 07:43:18,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:19,023 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-12-14 07:43:19,025 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 [2022-12-14 07:43:19,173 INFO L321 Elim1Store]: treesize reduction 24, result has 59.3 percent of original size [2022-12-14 07:43:19,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 121 treesize of output 116 [2022-12-14 07:43:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,550 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 [2022-12-14 07:43:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,673 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 [2022-12-14 07:43:19,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:19,990 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,058 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,314 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,433 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,657 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,759 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,867 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,926 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,956 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:20,976 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,082 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,166 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,300 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,390 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,445 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 [2022-12-14 07:43:21,467 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,504 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,551 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,941 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 [2022-12-14 07:43:22,115 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,294 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 [2022-12-14 07:43:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,447 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 [2022-12-14 07:43:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,607 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 [2022-12-14 07:43:22,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:22,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,885 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 [2022-12-14 07:43:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:22,980 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 [2022-12-14 07:43:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:23,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:23,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:23,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:23,057 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 [2022-12-14 07:43:23,090 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 [2022-12-14 07:43:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,130 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 [2022-12-14 07:43:23,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,187 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 [2022-12-14 07:43:23,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,293 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 [2022-12-14 07:43:23,382 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:23,444 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:23,479 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:23,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,514 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 [2022-12-14 07:43:23,555 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:23,623 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:23,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:43:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,837 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 [2022-12-14 07:43:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:23,965 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 [2022-12-14 07:43:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,047 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 [2022-12-14 07:43:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,112 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 10 treesize of output 1 [2022-12-14 07:43:24,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:24,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:24,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:24,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:24,162 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 [2022-12-14 07:43:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,233 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 [2022-12-14 07:43:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:24,376 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 [2022-12-14 07:43:47,708 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:43:47,709 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 [2022-12-14 07:44:07,322 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 [2022-12-14 07:44:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:45:30,244 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 59142 treesize of output 40707 [2022-12-14 07:45:39,657 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 59066 treesize of output 59062 [2022-12-14 07:46:02,030 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:46:02,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:46:02,135 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 [2022-12-14 07:46:19,298 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 [2022-12-14 07:47:01,749 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 55661 treesize of output 38006 [2022-12-14 07:47:11,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:47:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:47:11,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:47:11,880 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 [2022-12-14 07:47:27,326 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 [2022-12-14 07:47:27,383 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 [2022-12-14 07:47:29,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:47:29,493 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 [2022-12-14 07:47:29,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:47:30,603 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:47:31,299 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:31,302 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 07:47:31,342 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:31,447 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:31,474 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:32,262 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5727 conjuctions. This might take some time... [2022-12-14 07:47:51,177 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5727 conjuctions. [2022-12-14 07:47:51,433 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:47:52,177 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:52,183 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 07:47:52,224 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:52,329 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:52,357 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:47:53,173 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5727 conjuctions. This might take some time... [2022-12-14 07:48:11,911 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5727 conjuctions. [2022-12-14 07:48:13,158 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:48:13,901 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:48:13,905 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 07:48:13,944 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:48:14,053 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:48:14,080 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:48:14,903 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5727 conjuctions. This might take some time... [2022-12-14 07:48:33,590 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5727 conjuctions. [2022-12-14 07:48:33,778 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 [2022-12-14 07:48:33,785 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 [2022-12-14 07:48:33,790 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 [2022-12-14 07:48:33,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:48:33,837 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 [2022-12-14 07:48:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:33,857 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 [2022-12-14 07:48:33,876 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-12-14 07:48:33,876 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 [2022-12-14 07:48:33,886 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 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:48:33,910 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:48:33,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:48:33,919 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 [2022-12-14 07:48:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:33,952 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 [2022-12-14 07:48:33,991 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-12-14 07:48:33,991 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 [2022-12-14 07:48:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,015 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 [2022-12-14 07:48:34,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,062 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:48:34,062 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 [2022-12-14 07:48:34,110 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:48:34,110 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 [2022-12-14 07:48:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,173 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:48:34,173 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 [2022-12-14 07:48:34,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,207 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:48:34,207 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 [2022-12-14 07:48:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,226 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 [2022-12-14 07:48:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,296 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 357 treesize of output 221 [2022-12-14 07:48:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,320 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:48:34,320 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 136 treesize of output 109 [2022-12-14 07:48:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-12-14 07:48:34,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,456 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:34,456 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 [2022-12-14 07:48:34,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,480 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:34,480 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 [2022-12-14 07:48:34,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,508 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:34,508 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 [2022-12-14 07:48:34,514 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 [2022-12-14 07:48:34,521 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 [2022-12-14 07:48:34,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,628 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:34,629 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 [2022-12-14 07:48:34,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,658 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:34,659 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 [2022-12-14 07:48:34,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:34,685 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:34,686 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 [2022-12-14 07:48:34,692 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 [2022-12-14 07:48:34,698 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 [2022-12-14 07:48:34,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,783 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:34,783 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 [2022-12-14 07:48:34,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:34,840 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:34,840 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 [2022-12-14 07:48:34,862 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:34,863 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 [2022-12-14 07:48:35,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,271 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:35,271 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 [2022-12-14 07:48:35,277 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 [2022-12-14 07:48:35,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:35,301 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:35,301 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 [2022-12-14 07:48:35,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:35,329 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:35,329 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 [2022-12-14 07:48:35,336 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 [2022-12-14 07:48:35,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,458 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:35,458 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 [2022-12-14 07:48:35,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:35,486 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:35,487 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 [2022-12-14 07:48:35,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:35,513 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:35,513 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 [2022-12-14 07:48:35,521 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 [2022-12-14 07:48:35,528 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 [2022-12-14 07:48:35,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,610 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:35,610 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 [2022-12-14 07:48:35,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:35,671 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:35,671 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 [2022-12-14 07:48:35,703 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:35,703 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 [2022-12-14 07:48:36,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,124 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:36,124 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 [2022-12-14 07:48:36,130 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 [2022-12-14 07:48:36,136 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 [2022-12-14 07:48:36,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:36,168 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:36,168 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 [2022-12-14 07:48:36,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:36,199 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:36,199 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 [2022-12-14 07:48:36,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,311 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:36,311 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 [2022-12-14 07:48:36,318 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 [2022-12-14 07:48:36,324 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 [2022-12-14 07:48:36,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:36,351 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:36,351 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 [2022-12-14 07:48:36,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:36,373 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:36,373 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 [2022-12-14 07:48:36,579 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:48:36,586 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:48:39,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1518704073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:48:39,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:48:39,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 3, 4] total 23 [2022-12-14 07:48:39,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540637316] [2022-12-14 07:48:39,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:48:39,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 07:48:39,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:48:39,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 07:48:39,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-12-14 07:48:39,170 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 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) [2022-12-14 07:48:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:48:40,640 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2022-12-14 07:48:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 07:48:40,640 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 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 25 [2022-12-14 07:48:40,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:48:40,641 INFO L225 Difference]: With dead ends: 77 [2022-12-14 07:48:40,641 INFO L226 Difference]: Without dead ends: 75 [2022-12-14 07:48:40,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-12-14 07:48:40,641 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 86 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:48:40,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 297 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 07:48:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-14 07:48:40,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 63. [2022-12-14 07:48:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 58 states have internal predecessors, (75), 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) [2022-12-14 07:48:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-12-14 07:48:40,652 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 25 [2022-12-14 07:48:40,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:48:40,652 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-12-14 07:48:40,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 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) [2022-12-14 07:48:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-12-14 07:48:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 07:48:40,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:48:40,653 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:48:40,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-14 07:48:40,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 07:48:40,853 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:48:40,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:48:40,854 INFO L85 PathProgramCache]: Analyzing trace with hash -132459670, now seen corresponding path program 1 times [2022-12-14 07:48:40,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:48:40,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121081386] [2022-12-14 07:48:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:48:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:48:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:48:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 07:48:40,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:48:40,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121081386] [2022-12-14 07:48:40,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121081386] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:48:40,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347083169] [2022-12-14 07:48:40,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:48:40,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:48:40,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:48:40,937 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:48:40,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 07:48:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:48:41,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:48:41,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:48:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 07:48:41,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:48:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 07:48:41,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347083169] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:48:41,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1531537659] [2022-12-14 07:48:41,174 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-12-14 07:48:41,174 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:48:41,174 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:48:41,174 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:48:41,174 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:48:41,199 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 [2022-12-14 07:48:41,309 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:48:41,309 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 [2022-12-14 07:48:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,326 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 [2022-12-14 07:48:41,341 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 [2022-12-14 07:48:41,350 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 [2022-12-14 07:48:41,358 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 [2022-12-14 07:48:41,409 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 [2022-12-14 07:48:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,423 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 [2022-12-14 07:48:41,447 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 [2022-12-14 07:48:41,455 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 [2022-12-14 07:48:41,512 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 [2022-12-14 07:48:41,522 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 [2022-12-14 07:48:41,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,536 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 [2022-12-14 07:48:41,562 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 [2022-12-14 07:48:41,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:41,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:41,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,915 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-12-14 07:48:41,916 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 [2022-12-14 07:48:41,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:41,943 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:48:41,944 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 [2022-12-14 07:48:42,065 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 [2022-12-14 07:48:42,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:42,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:42,133 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 [2022-12-14 07:48:42,136 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 [2022-12-14 07:48:42,140 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 [2022-12-14 07:48:42,187 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 [2022-12-14 07:48:42,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:48:42,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:48:42,227 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:48:42,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:48:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,236 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 [2022-12-14 07:48:42,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:48:42,252 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 [2022-12-14 07:48:42,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,294 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 [2022-12-14 07:48:42,327 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-12-14 07:48:42,327 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 [2022-12-14 07:48:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,348 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 [2022-12-14 07:48:42,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,387 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:48:42,388 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 [2022-12-14 07:48:42,424 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:48:42,424 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 [2022-12-14 07:48:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,475 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:48:42,475 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 [2022-12-14 07:48:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,503 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:48:42,503 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 [2022-12-14 07:48:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,518 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 [2022-12-14 07:48:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,603 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 357 treesize of output 221 [2022-12-14 07:48:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,630 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:48:42,630 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 136 treesize of output 109 [2022-12-14 07:48:42,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-12-14 07:48:42,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,771 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:42,771 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 [2022-12-14 07:48:42,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,796 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:42,796 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 [2022-12-14 07:48:42,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,822 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:42,822 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 [2022-12-14 07:48:42,829 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 [2022-12-14 07:48:42,836 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 [2022-12-14 07:48:42,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,948 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:42,948 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 [2022-12-14 07:48:42,955 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 [2022-12-14 07:48:42,961 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 [2022-12-14 07:48:42,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:42,992 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:42,992 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 [2022-12-14 07:48:43,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:43,020 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:43,020 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 1 case distinctions, treesize of input 99 treesize of output 42 [2022-12-14 07:48:43,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:43,106 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:43,107 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 [2022-12-14 07:48:43,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:43,158 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:43,159 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 [2022-12-14 07:48:43,185 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:43,186 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 [2022-12-14 07:48:44,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,682 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:44,683 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 [2022-12-14 07:48:44,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:44,707 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:44,707 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 [2022-12-14 07:48:44,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:44,730 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:44,730 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 [2022-12-14 07:48:44,737 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 [2022-12-14 07:48:44,743 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 [2022-12-14 07:48:44,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,846 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:44,846 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 [2022-12-14 07:48:44,852 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 [2022-12-14 07:48:44,858 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 [2022-12-14 07:48:44,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:44,883 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:44,884 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 [2022-12-14 07:48:44,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:44,911 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:44,911 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 [2022-12-14 07:48:44,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:44,992 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:44,992 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 [2022-12-14 07:48:45,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,042 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:45,042 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 [2022-12-14 07:48:45,072 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:45,072 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 [2022-12-14 07:48:45,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,360 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:45,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 07:48:45,366 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 [2022-12-14 07:48:45,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:45,392 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:45,392 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 [2022-12-14 07:48:45,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:45,413 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:45,414 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 [2022-12-14 07:48:45,419 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 [2022-12-14 07:48:45,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,511 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:45,511 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 [2022-12-14 07:48:45,517 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 [2022-12-14 07:48:45,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:45,540 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:45,540 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 [2022-12-14 07:48:45,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:45,561 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:45,561 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 [2022-12-14 07:48:45,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 07:48:45,615 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:48:45,621 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:48:47,652 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4267#(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 [2022-12-14 07:48:47,652 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:48:47,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:48:47,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2022-12-14 07:48:47,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742323768] [2022-12-14 07:48:47,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:48:47,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:48:47,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:48:47,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:48:47,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-12-14 07:48:47,654 INFO L87 Difference]: Start difference. First operand 63 states and 79 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) [2022-12-14 07:48:47,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:48:47,730 INFO L93 Difference]: Finished difference Result 130 states and 164 transitions. [2022-12-14 07:48:47,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:48:47,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-14 07:48:47,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:48:47,731 INFO L225 Difference]: With dead ends: 130 [2022-12-14 07:48:47,731 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 07:48:47,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-12-14 07:48:47,732 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:48:47,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 156 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:48:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 07:48:47,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-14 07:48:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.3125) internal successors, (84), 67 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) [2022-12-14 07:48:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2022-12-14 07:48:47,746 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 26 [2022-12-14 07:48:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:48:47,746 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2022-12-14 07:48:47,746 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) [2022-12-14 07:48:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2022-12-14 07:48:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 07:48:47,747 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:48:47,747 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:48:47,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 07:48:47,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 07:48:47,948 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:48:47,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:48:47,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1038046034, now seen corresponding path program 2 times [2022-12-14 07:48:47,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:48:47,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645348905] [2022-12-14 07:48:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:48:47,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:48:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:48:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:48:48,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:48:48,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645348905] [2022-12-14 07:48:48,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645348905] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:48:48,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234529768] [2022-12-14 07:48:48,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:48:48,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:48:48,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:48:48,089 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:48:48,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 07:48:48,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 07:48:48,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:48:48,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:48:48,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:48:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:48:48,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:48:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 07:48:48,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234529768] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:48:48,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [52955461] [2022-12-14 07:48:48,321 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-12-14 07:48:48,322 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:48:48,322 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:48:48,322 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:48:48,322 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:48:48,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:48,504 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:48:48,505 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 [2022-12-14 07:48:48,524 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 [2022-12-14 07:48:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:48,536 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 [2022-12-14 07:48:48,548 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 [2022-12-14 07:48:48,575 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 [2022-12-14 07:48:48,621 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 [2022-12-14 07:48:48,629 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 [2022-12-14 07:48:48,651 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 [2022-12-14 07:48:48,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:48,670 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 [2022-12-14 07:48:48,745 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 [2022-12-14 07:48:48,758 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 [2022-12-14 07:48:48,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:48,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:48,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:48,792 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 [2022-12-14 07:48:48,814 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 [2022-12-14 07:48:49,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,182 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-12-14 07:48:49,182 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 [2022-12-14 07:48:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,210 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:48:49,210 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 [2022-12-14 07:48:49,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:49,342 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 [2022-12-14 07:48:49,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:49,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:49,407 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 [2022-12-14 07:48:49,415 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 [2022-12-14 07:48:49,420 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 [2022-12-14 07:48:49,461 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 12 treesize of output 9 [2022-12-14 07:48:49,466 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 [2022-12-14 07:48:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,489 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 [2022-12-14 07:48:49,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:48:49,508 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-12-14 07:48:49,508 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 [2022-12-14 07:48:49,528 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:48:49,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:48:49,537 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 [2022-12-14 07:48:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,567 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 [2022-12-14 07:48:49,603 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-12-14 07:48:49,603 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 [2022-12-14 07:48:49,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,624 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 [2022-12-14 07:48:49,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:49,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:49,660 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:48:49,661 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 [2022-12-14 07:48:49,697 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:48:49,697 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 [2022-12-14 07:48:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:49,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:49,753 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:48:49,753 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 [2022-12-14 07:48:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:49,784 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:48:49,785 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 [2022-12-14 07:48:49,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,800 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 [2022-12-14 07:48:49,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,854 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 357 treesize of output 221 [2022-12-14 07:48:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,877 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:48:49,877 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 136 treesize of output 109 [2022-12-14 07:48:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:49,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-12-14 07:48:49,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:49,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,037 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:50,037 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 [2022-12-14 07:48:50,044 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 [2022-12-14 07:48:50,052 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 [2022-12-14 07:48:50,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:50,075 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:50,075 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 [2022-12-14 07:48:50,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:50,095 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:50,095 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 [2022-12-14 07:48:50,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,205 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:50,205 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 [2022-12-14 07:48:50,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:50,234 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:50,235 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 139 treesize of output 50 [2022-12-14 07:48:50,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:50,259 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:50,260 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 [2022-12-14 07:48:50,265 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 [2022-12-14 07:48:50,269 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 [2022-12-14 07:48:50,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,332 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:50,332 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 [2022-12-14 07:48:50,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,375 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:50,375 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 [2022-12-14 07:48:50,401 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:50,402 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 [2022-12-14 07:48:50,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,915 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:50,915 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 [2022-12-14 07:48:50,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:50,940 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:50,941 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 139 treesize of output 50 [2022-12-14 07:48:50,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:50,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:50,965 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:50,965 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 [2022-12-14 07:48:50,973 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 [2022-12-14 07:48:50,979 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 [2022-12-14 07:48:51,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,101 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:51,101 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 [2022-12-14 07:48:51,109 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 [2022-12-14 07:48:51,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:51,141 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:51,142 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 [2022-12-14 07:48:51,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:51,168 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:51,169 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 [2022-12-14 07:48:51,175 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 [2022-12-14 07:48:51,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,258 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:51,258 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 [2022-12-14 07:48:51,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:51,318 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:51,318 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 [2022-12-14 07:48:51,348 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:51,348 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 [2022-12-14 07:48:52,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,414 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:52,415 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 [2022-12-14 07:48:52,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:52,440 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:52,441 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 [2022-12-14 07:48:52,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:52,466 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:52,466 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 [2022-12-14 07:48:52,473 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 [2022-12-14 07:48:52,478 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 [2022-12-14 07:48:52,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,601 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:52,601 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 [2022-12-14 07:48:52,607 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 [2022-12-14 07:48:52,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:52,631 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:52,632 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 [2022-12-14 07:48:52,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:52,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:52,657 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:52,657 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 [2022-12-14 07:48:52,663 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 [2022-12-14 07:48:52,709 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:48:52,716 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:48:54,301 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4766#(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 [2022-12-14 07:48:54,301 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:48:54,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:48:54,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-12-14 07:48:54,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601946642] [2022-12-14 07:48:54,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:48:54,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:48:54,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:48:54,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:48:54,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-12-14 07:48:54,302 INFO L87 Difference]: Start difference. First operand 72 states and 88 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) [2022-12-14 07:48:54,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:48:54,446 INFO L93 Difference]: Finished difference Result 127 states and 160 transitions. [2022-12-14 07:48:54,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:48:54,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-12-14 07:48:54,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:48:54,447 INFO L225 Difference]: With dead ends: 127 [2022-12-14 07:48:54,447 INFO L226 Difference]: Without dead ends: 81 [2022-12-14 07:48:54,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2022-12-14 07:48:54,448 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 141 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:48:54,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 130 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:48:54,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-14 07:48:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2022-12-14 07:48:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 63 states have internal predecessors, (79), 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) [2022-12-14 07:48:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2022-12-14 07:48:54,462 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 35 [2022-12-14 07:48:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:48:54,462 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2022-12-14 07:48:54,462 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) [2022-12-14 07:48:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2022-12-14 07:48:54,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 07:48:54,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:48:54,463 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] [2022-12-14 07:48:54,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-14 07:48:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:48:54,664 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:48:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:48:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash 58352059, now seen corresponding path program 1 times [2022-12-14 07:48:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:48:54,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713774733] [2022-12-14 07:48:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:48:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:48:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:48:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 07:48:54,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:48:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713774733] [2022-12-14 07:48:54,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713774733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:48:54,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:48:54,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:48:54,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575907687] [2022-12-14 07:48:54,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:48:54,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:48:54,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:48:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:48:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:48:54,803 INFO L87 Difference]: Start difference. First operand 68 states and 83 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 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) [2022-12-14 07:48:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:48:54,853 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-12-14 07:48:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:48:54,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 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 [2022-12-14 07:48:54,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:48:54,854 INFO L225 Difference]: With dead ends: 72 [2022-12-14 07:48:54,855 INFO L226 Difference]: Without dead ends: 71 [2022-12-14 07:48:54,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:48:54,855 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:48:54,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:48:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-12-14 07:48:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-12-14 07:48:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.28125) 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) [2022-12-14 07:48:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2022-12-14 07:48:54,885 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 38 [2022-12-14 07:48:54,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:48:54,885 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2022-12-14 07:48:54,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 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) [2022-12-14 07:48:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-12-14 07:48:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 07:48:54,885 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:48:54,885 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:48:54,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 07:48:54,886 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:48:54,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:48:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1095233451, now seen corresponding path program 1 times [2022-12-14 07:48:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:48:54,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642607936] [2022-12-14 07:48:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:48:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:48:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:48:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 07:48:54,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:48:54,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642607936] [2022-12-14 07:48:54,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642607936] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:48:54,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687240555] [2022-12-14 07:48:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:48:54,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:48:54,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:48:54,970 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:48:54,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 07:48:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:48:55,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:48:55,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:48:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:48:55,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:48:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:48:55,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687240555] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:48:55,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1319862128] [2022-12-14 07:48:55,317 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 07:48:55,317 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:48:55,317 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:48:55,317 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:48:55,317 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:48:55,490 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:48:55,490 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 [2022-12-14 07:48:55,508 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 [2022-12-14 07:48:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:55,519 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 [2022-12-14 07:48:55,530 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 [2022-12-14 07:48:55,551 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 [2022-12-14 07:48:55,564 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 [2022-12-14 07:48:55,610 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 [2022-12-14 07:48:55,620 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 [2022-12-14 07:48:55,635 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 [2022-12-14 07:48:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:55,665 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 [2022-12-14 07:48:55,732 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 [2022-12-14 07:48:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:55,744 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 [2022-12-14 07:48:55,776 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 [2022-12-14 07:48:55,791 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 [2022-12-14 07:48:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,167 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-12-14 07:48:56,168 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 [2022-12-14 07:48:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,199 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:48:56,200 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 [2022-12-14 07:48:56,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:56,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:56,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:56,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:48:56,380 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 [2022-12-14 07:48:56,447 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 [2022-12-14 07:48:56,454 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 [2022-12-14 07:48:56,459 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 [2022-12-14 07:48:56,504 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 [2022-12-14 07:48:56,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:48:56,533 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 [2022-12-14 07:48:56,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:48:56,560 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:48:56,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:48:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,571 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 [2022-12-14 07:48:56,580 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 [2022-12-14 07:48:56,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,614 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 [2022-12-14 07:48:56,656 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-12-14 07:48:56,656 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 [2022-12-14 07:48:56,701 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:48:56,701 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 [2022-12-14 07:48:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,720 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 [2022-12-14 07:48:56,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:56,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:56,769 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:48:56,769 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 [2022-12-14 07:48:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:56,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:56,844 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:48:56,844 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 [2022-12-14 07:48:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:56,881 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:48:56,881 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 [2022-12-14 07:48:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,896 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 [2022-12-14 07:48:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,965 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 357 treesize of output 221 [2022-12-14 07:48:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:56,994 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:48:56,994 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 136 treesize of output 109 [2022-12-14 07:48:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:57,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-12-14 07:48:57,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,149 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:57,149 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 [2022-12-14 07:48:57,158 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 [2022-12-14 07:48:57,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:57,189 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:57,189 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 [2022-12-14 07:48:57,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:57,221 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:57,221 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 [2022-12-14 07:48:57,229 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 [2022-12-14 07:48:57,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,352 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:57,352 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 [2022-12-14 07:48:57,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:57,384 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:57,384 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 [2022-12-14 07:48:57,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:57,416 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:57,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-12-14 07:48:57,425 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 [2022-12-14 07:48:57,433 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 [2022-12-14 07:48:57,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,523 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:57,523 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 [2022-12-14 07:48:57,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:57,587 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:57,587 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 [2022-12-14 07:48:57,624 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:57,624 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 [2022-12-14 07:48:58,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,753 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:58,753 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 [2022-12-14 07:48:58,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:58,786 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:58,786 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 [2022-12-14 07:48:58,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:58,814 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:58,814 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 [2022-12-14 07:48:58,822 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 [2022-12-14 07:48:58,829 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 [2022-12-14 07:48:58,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,953 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:58,954 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 [2022-12-14 07:48:58,962 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 [2022-12-14 07:48:58,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:58,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:58,993 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:58,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-12-14 07:48:59,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:59,023 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:59,023 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 [2022-12-14 07:48:59,031 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 [2022-12-14 07:48:59,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,120 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:48:59,120 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 [2022-12-14 07:48:59,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,184 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:48:59,184 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 [2022-12-14 07:48:59,219 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:59,219 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 [2022-12-14 07:48:59,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,859 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:48:59,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 07:48:59,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:59,891 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:48:59,891 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 [2022-12-14 07:48:59,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:48:59,928 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:48:59,928 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 [2022-12-14 07:48:59,936 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 [2022-12-14 07:48:59,943 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 [2022-12-14 07:48:59,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:48:59,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:00,046 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:00,046 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 [2022-12-14 07:49:00,053 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 [2022-12-14 07:49:00,060 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 [2022-12-14 07:49:00,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:00,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:00,092 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:00,092 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 [2022-12-14 07:49:00,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:00,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:00,122 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:00,123 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 [2022-12-14 07:49:00,352 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-12-14 07:49:00,352 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 [2022-12-14 07:49:01,146 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 [2022-12-14 07:49:01,175 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 [2022-12-14 07:49:01,189 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:49:01,196 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:49:04,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1319862128] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:49:04,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:49:04,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [3, 6, 7] total 30 [2022-12-14 07:49:04,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042041520] [2022-12-14 07:49:04,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:49:04,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 07:49:04,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:49:04,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 07:49:04,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2022-12-14 07:49:04,164 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 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) [2022-12-14 07:49:06,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:49:06,178 INFO L93 Difference]: Finished difference Result 86 states and 104 transitions. [2022-12-14 07:49:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 07:49:06,179 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 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 41 [2022-12-14 07:49:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:49:06,179 INFO L225 Difference]: With dead ends: 86 [2022-12-14 07:49:06,179 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 07:49:06,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 07:49:06,180 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 146 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:49:06,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 276 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 07:49:06,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 07:49:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2022-12-14 07:49:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.2769230769230768) 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) [2022-12-14 07:49:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2022-12-14 07:49:06,194 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 41 [2022-12-14 07:49:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:49:06,194 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2022-12-14 07:49:06,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 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) [2022-12-14 07:49:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-12-14 07:49:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 07:49:06,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:49:06,195 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:49:06,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 07:49:06,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 07:49:06,396 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:49:06,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:49:06,397 INFO L85 PathProgramCache]: Analyzing trace with hash -888025720, now seen corresponding path program 1 times [2022-12-14 07:49:06,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:49:06,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708176443] [2022-12-14 07:49:06,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:49:06,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:49:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:49:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 07:49:06,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:49:06,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708176443] [2022-12-14 07:49:06,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708176443] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:49:06,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971294300] [2022-12-14 07:49:06,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:49:06,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:49:06,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:49:06,524 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:49:06,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-14 07:49:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:49:06,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:49:06,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:49:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:49:06,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:49:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:49:06,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971294300] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:49:06,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1330397289] [2022-12-14 07:49:06,818 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-12-14 07:49:06,818 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:49:06,818 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:49:06,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:49:06,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:49:06,846 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 [2022-12-14 07:49:06,941 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-12-14 07:49:06,941 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 [2022-12-14 07:49:07,064 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:49:07,065 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 [2022-12-14 07:49:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,085 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 [2022-12-14 07:49:07,094 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 [2022-12-14 07:49:07,114 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 [2022-12-14 07:49:07,150 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 [2022-12-14 07:49:07,159 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 [2022-12-14 07:49:07,170 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 [2022-12-14 07:49:07,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,195 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 [2022-12-14 07:49:07,253 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 [2022-12-14 07:49:07,264 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 [2022-12-14 07:49:07,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,291 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 [2022-12-14 07:49:07,313 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 [2022-12-14 07:49:07,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:49:07,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:49:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,653 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-12-14 07:49:07,654 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 [2022-12-14 07:49:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,679 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 860 treesize of output 850 [2022-12-14 07:49:07,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:49:07,803 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 [2022-12-14 07:49:07,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:49:07,875 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 [2022-12-14 07:49:07,879 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 [2022-12-14 07:49:07,884 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 [2022-12-14 07:49:07,923 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 [2022-12-14 07:49:07,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:49:07,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:49:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:07,953 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 [2022-12-14 07:49:07,967 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-12-14 07:49:07,967 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 [2022-12-14 07:49:07,989 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:49:07,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:49:07,997 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 [2022-12-14 07:49:08,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,032 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 [2022-12-14 07:49:08,067 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:49:08,067 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 [2022-12-14 07:49:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,080 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 [2022-12-14 07:49:08,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,112 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:49:08,112 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 [2022-12-14 07:49:08,125 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 [2022-12-14 07:49:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,181 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:49:08,181 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 [2022-12-14 07:49:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,211 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:49:08,211 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 [2022-12-14 07:49:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,224 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 [2022-12-14 07:49:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,284 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 [2022-12-14 07:49:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,307 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:49:08,307 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 [2022-12-14 07:49:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,324 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 [2022-12-14 07:49:08,380 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:08,380 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 [2022-12-14 07:49:08,396 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:08,396 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 [2022-12-14 07:49:08,401 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 13 treesize of output 9 [2022-12-14 07:49:08,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,522 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:08,523 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 [2022-12-14 07:49:08,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,550 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:08,550 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 [2022-12-14 07:49:08,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,576 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:08,576 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 [2022-12-14 07:49:08,584 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 [2022-12-14 07:49:08,590 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 [2022-12-14 07:49:08,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,615 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:08,615 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 [2022-12-14 07:49:08,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,624 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 [2022-12-14 07:49:08,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,646 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:08,646 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 [2022-12-14 07:49:08,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,679 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:08,679 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 [2022-12-14 07:49:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,690 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 [2022-12-14 07:49:08,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,710 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:08,711 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 [2022-12-14 07:49:08,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,813 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-12-14 07:49:08,813 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 [2022-12-14 07:49:08,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:08,872 INFO L321 Elim1Store]: treesize reduction 366, result has 9.2 percent of original size [2022-12-14 07:49:08,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 451 treesize of output 379 [2022-12-14 07:49:08,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:08,900 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:08,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 543 treesize of output 460 [2022-12-14 07:49:08,963 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:08,964 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 [2022-12-14 07:49:08,983 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:08,983 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 [2022-12-14 07:49:08,991 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 [2022-12-14 07:49:09,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,143 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:09,143 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 [2022-12-14 07:49:09,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,179 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:09,179 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 [2022-12-14 07:49:09,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,209 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:09,209 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 [2022-12-14 07:49:09,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 07:49:09,226 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 [2022-12-14 07:49:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,277 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:09,277 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 [2022-12-14 07:49:09,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,290 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 [2022-12-14 07:49:09,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,318 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:09,318 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 [2022-12-14 07:49:09,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,394 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:09,395 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 [2022-12-14 07:49:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,408 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 [2022-12-14 07:49:09,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,436 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:09,436 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 [2022-12-14 07:49:09,485 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:09,485 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 [2022-12-14 07:49:09,507 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:09,507 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 [2022-12-14 07:49:09,513 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 [2022-12-14 07:49:09,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,658 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:09,658 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 [2022-12-14 07:49:09,665 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 [2022-12-14 07:49:09,670 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 [2022-12-14 07:49:09,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,695 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:09,695 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 [2022-12-14 07:49:09,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,722 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:09,723 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 [2022-12-14 07:49:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,762 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:09,762 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 [2022-12-14 07:49:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,771 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 [2022-12-14 07:49:09,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,796 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:09,797 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 [2022-12-14 07:49:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,841 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:09,841 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 [2022-12-14 07:49:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:09,858 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 [2022-12-14 07:49:09,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:09,885 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:09,885 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 [2022-12-14 07:49:09,965 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:09,965 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 [2022-12-14 07:49:09,986 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:09,986 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 [2022-12-14 07:49:09,994 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 [2022-12-14 07:49:10,047 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:10,048 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 [2022-12-14 07:49:10,067 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:10,067 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 [2022-12-14 07:49:10,073 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 [2022-12-14 07:49:10,222 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 [2022-12-14 07:49:10,291 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 [2022-12-14 07:49:10,318 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 [2022-12-14 07:49:10,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,441 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:10,441 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 [2022-12-14 07:49:10,449 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 [2022-12-14 07:49:10,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:10,477 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:10,477 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 [2022-12-14 07:49:10,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:10,506 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:10,506 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 [2022-12-14 07:49:10,514 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 [2022-12-14 07:49:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,583 INFO L321 Elim1Store]: treesize reduction 104, result has 39.2 percent of original size [2022-12-14 07:49:10,583 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 [2022-12-14 07:49:10,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,627 INFO L321 Elim1Store]: treesize reduction 68, result has 40.9 percent of original size [2022-12-14 07:49:10,628 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 [2022-12-14 07:49:10,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 07:49:10,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:10,814 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-12-14 07:49:10,814 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 354 [2022-12-14 07:49:10,940 INFO L321 Elim1Store]: treesize reduction 124, result has 39.5 percent of original size [2022-12-14 07:49:10,941 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 211 treesize of output 263 [2022-12-14 07:49:10,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:11,014 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 07:49:11,014 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 345 treesize of output 310 [2022-12-14 07:49:13,473 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:49:13,477 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:49:13,698 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:49:13,702 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:49:13,939 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:13,939 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 [2022-12-14 07:49:13,963 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:13,964 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 [2022-12-14 07:49:13,970 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 [2022-12-14 07:49:13,989 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:49:13,995 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:49:16,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1330397289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:49:16,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:49:16,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [3, 6, 7] total 33 [2022-12-14 07:49:16,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760084022] [2022-12-14 07:49:16,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:49:16,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 07:49:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:49:16,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 07:49:16,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=920, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 07:49:16,939 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 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) [2022-12-14 07:49:19,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:49:19,459 INFO L93 Difference]: Finished difference Result 81 states and 97 transitions. [2022-12-14 07:49:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 07:49:19,460 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 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 44 [2022-12-14 07:49:19,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:49:19,460 INFO L225 Difference]: With dead ends: 81 [2022-12-14 07:49:19,460 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 07:49:19,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=243, Invalid=1649, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 07:49:19,461 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 119 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:49:19,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 280 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 07:49:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 07:49:19,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2022-12-14 07:49:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.2769230769230768) 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) [2022-12-14 07:49:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2022-12-14 07:49:19,475 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 44 [2022-12-14 07:49:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:49:19,475 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2022-12-14 07:49:19,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 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) [2022-12-14 07:49:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-12-14 07:49:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 07:49:19,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:49:19,476 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:49:19,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-14 07:49:19,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 07:49:19,677 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:49:19,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:49:19,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1070937436, now seen corresponding path program 1 times [2022-12-14 07:49:19,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:49:19,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837897675] [2022-12-14 07:49:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:49:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:49:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:49:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 07:49:19,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:49:19,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837897675] [2022-12-14 07:49:19,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837897675] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:49:19,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894715054] [2022-12-14 07:49:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:49:19,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:49:19,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:49:19,796 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:49:19,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-14 07:49:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:49:20,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:49:20,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:49:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:49:20,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:49:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:49:20,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894715054] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:49:20,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1510577156] [2022-12-14 07:49:20,130 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 07:49:20,130 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:49:20,130 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:49:20,131 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:49:20,131 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:49:20,287 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:49:20,287 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 [2022-12-14 07:49:20,301 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 [2022-12-14 07:49:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,310 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 [2022-12-14 07:49:20,328 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 [2022-12-14 07:49:20,343 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 [2022-12-14 07:49:20,355 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 [2022-12-14 07:49:20,404 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 [2022-12-14 07:49:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,423 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 [2022-12-14 07:49:20,446 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 [2022-12-14 07:49:20,458 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 [2022-12-14 07:49:20,519 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 [2022-12-14 07:49:20,530 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 [2022-12-14 07:49:20,539 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 [2022-12-14 07:49:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,554 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 [2022-12-14 07:49:20,852 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 19 treesize of output 1 [2022-12-14 07:49:20,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:49:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,955 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-12-14 07:49:20,956 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 [2022-12-14 07:49:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:20,979 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 [2022-12-14 07:49:21,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:49:21,108 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 [2022-12-14 07:49:21,111 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 19 treesize of output 1 [2022-12-14 07:49:21,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:49:21,178 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 [2022-12-14 07:49:21,183 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 [2022-12-14 07:49:21,223 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 [2022-12-14 07:49:21,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:49:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-12-14 07:49:21,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:49:21,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:49:21,274 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:49:21,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:49:21,281 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 [2022-12-14 07:49:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,310 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 [2022-12-14 07:49:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,330 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 [2022-12-14 07:49:21,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,367 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:49:21,368 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 [2022-12-14 07:49:21,404 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-12-14 07:49:21,404 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 [2022-12-14 07:49:21,445 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:49:21,445 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 [2022-12-14 07:49:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,514 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:49:21,515 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 [2022-12-14 07:49:21,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,544 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:49:21,544 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 [2022-12-14 07:49:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,561 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 [2022-12-14 07:49:21,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,612 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 [2022-12-14 07:49:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,636 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:49:21,636 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 [2022-12-14 07:49:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,647 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 [2022-12-14 07:49:21,702 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:21,702 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 [2022-12-14 07:49:21,722 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:21,722 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 [2022-12-14 07:49:21,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:49:21,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,833 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:21,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 07:49:21,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,862 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:21,863 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 [2022-12-14 07:49:21,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,887 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:21,887 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 [2022-12-14 07:49:21,893 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 [2022-12-14 07:49:21,898 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 [2022-12-14 07:49:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,917 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:21,918 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 [2022-12-14 07:49:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,927 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 [2022-12-14 07:49:21,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,948 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:21,948 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 [2022-12-14 07:49:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:21,977 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:21,978 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 [2022-12-14 07:49:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:21,990 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 [2022-12-14 07:49:21,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,013 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:22,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-12-14 07:49:22,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,110 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-12-14 07:49:22,110 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 603 treesize of output 400 [2022-12-14 07:49:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,142 INFO L321 Elim1Store]: treesize reduction 167, result has 8.2 percent of original size [2022-12-14 07:49:22,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 485 treesize of output 381 [2022-12-14 07:49:22,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,171 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:22,171 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 559 treesize of output 460 [2022-12-14 07:49:22,232 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:22,233 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 [2022-12-14 07:49:22,253 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:22,254 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 [2022-12-14 07:49:22,260 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 11 treesize of output 7 [2022-12-14 07:49:22,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,411 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:22,411 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 [2022-12-14 07:49:22,419 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 [2022-12-14 07:49:22,425 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 [2022-12-14 07:49:22,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,453 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:22,453 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 [2022-12-14 07:49:22,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,483 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:22,483 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 [2022-12-14 07:49:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,517 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:22,517 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 [2022-12-14 07:49:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-12-14 07:49:22,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,556 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:22,556 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 [2022-12-14 07:49:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,620 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:22,620 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 [2022-12-14 07:49:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,634 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 [2022-12-14 07:49:22,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,661 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:22,662 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 [2022-12-14 07:49:22,731 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:22,731 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 [2022-12-14 07:49:22,756 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:22,756 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 [2022-12-14 07:49:22,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:49:22,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,897 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:49:22,897 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 [2022-12-14 07:49:22,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,922 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:22,922 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 [2022-12-14 07:49:22,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,945 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:49:22,945 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 [2022-12-14 07:49:22,951 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 [2022-12-14 07:49:22,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2022-12-14 07:49:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:22,981 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:22,981 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 [2022-12-14 07:49:22,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:22,993 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 [2022-12-14 07:49:23,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:23,022 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:23,022 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 [2022-12-14 07:49:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:23,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:23,058 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:49:23,058 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 [2022-12-14 07:49:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:23,071 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 [2022-12-14 07:49:23,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:23,099 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:23,100 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 [2022-12-14 07:49:23,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:23,209 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-12-14 07:49:23,209 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 567 treesize of output 364 [2022-12-14 07:49:23,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:23,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:23,277 INFO L321 Elim1Store]: treesize reduction 346, result has 13.3 percent of original size [2022-12-14 07:49:23,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 449 treesize of output 389 [2022-12-14 07:49:23,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:23,309 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:49:23,310 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 523 treesize of output 456 [2022-12-14 07:49:23,378 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:23,379 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 [2022-12-14 07:49:23,403 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:23,403 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 [2022-12-14 07:49:23,410 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 11 treesize of output 7 [2022-12-14 07:49:23,786 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-12-14 07:49:23,787 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 [2022-12-14 07:49:24,657 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 [2022-12-14 07:49:24,685 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 [2022-12-14 07:49:24,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:24,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:24,790 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:24,791 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 1 case distinctions, treesize of input 784 treesize of output 590 [2022-12-14 07:49:24,915 INFO L321 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-12-14 07:49:24,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 250 treesize of output 277 [2022-12-14 07:49:25,003 INFO L321 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-12-14 07:49:25,004 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 258 treesize of output 246 [2022-12-14 07:49:25,108 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 07:49:25,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 254 [2022-12-14 07:49:25,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:25,148 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:49:25,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 321 treesize of output 259 [2022-12-14 07:49:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:25,203 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:49:25,203 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 1 case distinctions, treesize of input 71 treesize of output 61 [2022-12-14 07:49:27,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:27,926 INFO L321 Elim1Store]: treesize reduction 242, result has 12.3 percent of original size [2022-12-14 07:49:27,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 3537 treesize of output 2897 [2022-12-14 07:49:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:28,011 INFO L321 Elim1Store]: treesize reduction 69, result has 21.6 percent of original size [2022-12-14 07:49:28,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3351 treesize of output 3337 [2022-12-14 07:49:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:28,113 INFO L321 Elim1Store]: treesize reduction 230, result has 12.9 percent of original size [2022-12-14 07:49:28,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 3408 treesize of output 3312 [2022-12-14 07:49:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:31,404 INFO L321 Elim1Store]: treesize reduction 242, result has 12.3 percent of original size [2022-12-14 07:49:31,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 6847 treesize of output 5631 [2022-12-14 07:49:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:31,527 INFO L321 Elim1Store]: treesize reduction 109, result has 6.0 percent of original size [2022-12-14 07:49:31,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 6661 treesize of output 6618 [2022-12-14 07:49:31,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:31,677 INFO L321 Elim1Store]: treesize reduction 230, result has 12.9 percent of original size [2022-12-14 07:49:31,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 6742 treesize of output 6558 [2022-12-14 07:49:33,021 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:49:33,021 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 [2022-12-14 07:49:33,048 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:49:33,048 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 [2022-12-14 07:49:33,055 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 [2022-12-14 07:49:33,130 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 07:49:33,137 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:49:37,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1510577156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:49:37,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:49:37,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [3, 6, 7] total 34 [2022-12-14 07:49:37,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556035303] [2022-12-14 07:49:37,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:49:37,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 07:49:37,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:49:37,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 07:49:37,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=986, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 07:49:37,633 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 22 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 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) [2022-12-14 07:49:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:49:39,934 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2022-12-14 07:49:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 07:49:39,934 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 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 46 [2022-12-14 07:49:39,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:49:39,935 INFO L225 Difference]: With dead ends: 85 [2022-12-14 07:49:39,935 INFO L226 Difference]: Without dead ends: 77 [2022-12-14 07:49:39,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=176, Invalid=1306, Unknown=0, NotChecked=0, Total=1482 [2022-12-14 07:49:39,935 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 75 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:49:39,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 252 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 07:49:39,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-14 07:49:39,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2022-12-14 07:49:39,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.265625) internal successors, (81), 66 states have internal predecessors, (81), 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) [2022-12-14 07:49:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 85 transitions. [2022-12-14 07:49:39,950 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 85 transitions. Word has length 46 [2022-12-14 07:49:39,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:49:39,950 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 85 transitions. [2022-12-14 07:49:39,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 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) [2022-12-14 07:49:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2022-12-14 07:49:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 07:49:39,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:49:39,950 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:49:39,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-12-14 07:49:40,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:49:40,152 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-14 07:49:40,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:49:40,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1698333199, now seen corresponding path program 1 times [2022-12-14 07:49:40,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:49:40,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047899530] [2022-12-14 07:49:40,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:49:40,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:49:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:49:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 07:49:40,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:49:40,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047899530] [2022-12-14 07:49:40,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047899530] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:49:40,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631246034] [2022-12-14 07:49:40,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:49:40,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:49:40,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:49:40,308 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:49:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc499cf-e589-41f2-a894-e9375ea20979/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-14 07:49:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:49:40,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 07:49:40,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:49:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:49:40,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:49:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:49:40,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631246034] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:49:40,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1107048174] [2022-12-14 07:49:40,611 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 07:49:40,611 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:49:40,611 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:49:40,611 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:49:40,612 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:49:40,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:40,961 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-12-14 07:49:40,961 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 [2022-12-14 07:49:42,068 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:42,773 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:43,243 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:43,328 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 [2022-12-14 07:49:43,359 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:43,397 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:43,427 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:43,715 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:44,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,284 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,389 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,404 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,429 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,466 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,504 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,657 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:45,753 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:46,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:46,451 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 [2022-12-14 07:49:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,285 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 [2022-12-14 07:49:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,409 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 [2022-12-14 07:49:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,448 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 [2022-12-14 07:49:47,485 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 [2022-12-14 07:49:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,558 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 [2022-12-14 07:49:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:47,658 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 [2022-12-14 07:49:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:48,283 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 [2022-12-14 07:49:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:49,333 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 [2022-12-14 07:49:49,732 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:49,828 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:49,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:49,969 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:50,008 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 [2022-12-14 07:49:50,030 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:50,105 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:50,164 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:50,258 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:49:51,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:51,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 2437 treesize of output 1931 [2022-12-14 07:49:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:54,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:49:54,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:49:54,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3247 treesize of output 2575 [2022-12-14 07:49:58,555 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-12-14 07:49:58,555 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 [2022-12-14 07:49:58,781 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 07:49:58,782 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 [2022-12-14 07:49:58,815 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 [2022-12-14 07:49:58,837 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 [2022-12-14 07:50:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:06,585 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 12450 treesize of output 8783 [2022-12-14 07:50:09,653 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 07:50:10,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:10,362 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 [2022-12-14 07:50:12,133 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 [2022-12-14 07:50:12,161 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 [2022-12-14 07:50:19,418 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 12375 treesize of output 8730 [2022-12-14 07:50:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:22,428 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 [2022-12-14 07:50:24,287 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 [2022-12-14 07:50:24,319 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 [2022-12-14 07:50:24,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:50:24,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:50:24,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 07:50:24,879 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:50:24,963 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:50:24,974 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:50:31,281 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7508 conjuctions. This might take some time... [2022-12-14 07:51:04,508 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 7508 conjuctions. [2022-12-14 07:51:04,732 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:51:04,815 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:51:04,826 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:51:11,103 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7508 conjuctions. This might take some time... [2022-12-14 07:51:44,016 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 7508 conjuctions. [2022-12-14 07:51:44,366 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:51:44,450 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:51:44,461 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-12-14 07:51:50,718 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7508 conjuctions. This might take some time... [2022-12-14 07:52:23,907 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 7508 conjuctions. [2022-12-14 07:52:24,145 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 [2022-12-14 07:52:24,152 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 [2022-12-14 07:52:24,158 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 [2022-12-14 07:52:24,203 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 12 treesize of output 9 [2022-12-14 07:52:24,210 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 [2022-12-14 07:52:24,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 07:52:24,245 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-12-14 07:52:24,246 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 [2022-12-14 07:52:24,266 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:52:24,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 07:52:24,277 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 [2022-12-14 07:52:24,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,288 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 [2022-12-14 07:52:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,326 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 [2022-12-14 07:52:24,362 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 07:52:24,362 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 [2022-12-14 07:52:24,371 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 [2022-12-14 07:52:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,387 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 [2022-12-14 07:52:24,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,438 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 07:52:24,438 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 [2022-12-14 07:52:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,500 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-12-14 07:52:24,500 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 [2022-12-14 07:52:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,530 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 07:52:24,530 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 [2022-12-14 07:52:24,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,542 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 [2022-12-14 07:52:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,614 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 [2022-12-14 07:52:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,635 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-14 07:52:24,635 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 [2022-12-14 07:52:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,651 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 [2022-12-14 07:52:24,718 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:52:24,718 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 [2022-12-14 07:52:24,736 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:52:24,736 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 [2022-12-14 07:52:24,743 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 [2022-12-14 07:52:24,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,856 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:52:24,856 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 [2022-12-14 07:52:24,863 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 [2022-12-14 07:52:24,868 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 [2022-12-14 07:52:24,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,893 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:52:24,893 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 [2022-12-14 07:52:24,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,917 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:52:24,918 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 [2022-12-14 07:52:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,943 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:52:24,943 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 [2022-12-14 07:52:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:24,954 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 [2022-12-14 07:52:24,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:24,978 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:24,978 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 [2022-12-14 07:52:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,005 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:52:25,005 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 [2022-12-14 07:52:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,017 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 [2022-12-14 07:52:25,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,037 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:25,037 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 [2022-12-14 07:52:25,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,141 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-12-14 07:52:25,142 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 573 treesize of output 370 [2022-12-14 07:52:25,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,200 INFO L321 Elim1Store]: treesize reduction 420, result has 8.5 percent of original size [2022-12-14 07:52:25,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 455 treesize of output 381 [2022-12-14 07:52:25,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,230 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:25,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 547 treesize of output 464 [2022-12-14 07:52:25,301 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:52:25,301 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 [2022-12-14 07:52:25,321 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:52:25,322 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 [2022-12-14 07:52:25,328 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 11 treesize of output 7 [2022-12-14 07:52:25,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,488 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:52:25,488 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 [2022-12-14 07:52:25,497 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 [2022-12-14 07:52:25,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,524 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:52:25,525 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 [2022-12-14 07:52:25,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,556 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:52:25,556 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 [2022-12-14 07:52:25,565 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 [2022-12-14 07:52:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,600 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:52:25,600 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 [2022-12-14 07:52:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,614 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 [2022-12-14 07:52:25,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,644 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:25,644 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 [2022-12-14 07:52:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,707 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:52:25,707 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 [2022-12-14 07:52:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:25,722 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 [2022-12-14 07:52:25,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:25,750 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:25,751 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 [2022-12-14 07:52:25,831 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:52:25,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-12-14 07:52:25,856 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:52:25,857 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 [2022-12-14 07:52:25,865 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 [2022-12-14 07:52:25,936 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:52:25,937 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 [2022-12-14 07:52:25,958 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:52:25,958 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 [2022-12-14 07:52:25,964 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 [2022-12-14 07:52:26,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,102 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:52:26,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 07:52:26,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,130 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:52:26,130 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 [2022-12-14 07:52:26,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,153 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:52:26,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-12-14 07:52:26,159 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 [2022-12-14 07:52:26,165 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 [2022-12-14 07:52:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,197 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:52:26,197 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 [2022-12-14 07:52:26,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,208 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 [2022-12-14 07:52:26,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,234 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:26,234 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 [2022-12-14 07:52:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,287 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:52:26,288 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 [2022-12-14 07:52:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:26,301 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 [2022-12-14 07:52:26,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:26,327 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-12-14 07:52:26,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-12-14 07:52:26,400 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:52:26,400 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 156 treesize of output 124 [2022-12-14 07:52:26,424 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:52:26,424 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 [2022-12-14 07:52:26,433 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 [2022-12-14 07:52:26,498 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-12-14 07:52:26,499 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 [2022-12-14 07:52:26,527 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-12-14 07:52:26,528 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 [2022-12-14 07:52:26,535 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 [2022-12-14 07:52:26,814 INFO L321 Elim1Store]: treesize reduction 40, result has 42.9 percent of original size [2022-12-14 07:52:26,815 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 125 treesize of output 145 [2022-12-14 07:52:26,999 INFO L321 Elim1Store]: treesize reduction 104, result has 38.5 percent of original size [2022-12-14 07:52:26,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 193 [2022-12-14 07:52:27,091 INFO L321 Elim1Store]: treesize reduction 104, result has 38.5 percent of original size [2022-12-14 07:52:27,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 185 [2022-12-14 07:52:27,217 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:52:27,448 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:52:45,078 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 [2022-12-14 07:53:01,465 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 [2022-12-14 07:53:01,549 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 [2022-12-14 07:53:03,053 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 07:53:04,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,290 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 07:53:04,291 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 [2022-12-14 07:53:04,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,321 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 07:53:04,322 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 [2022-12-14 07:53:04,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,354 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 07:53:04,354 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 [2022-12-14 07:53:04,366 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 [2022-12-14 07:53:04,375 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 [2022-12-14 07:53:04,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,485 INFO L321 Elim1Store]: treesize reduction 104, result has 39.2 percent of original size [2022-12-14 07:53:04,485 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 [2022-12-14 07:53:04,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,523 INFO L321 Elim1Store]: treesize reduction 68, result has 40.9 percent of original size [2022-12-14 07:53:04,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 134 [2022-12-14 07:53:04,532 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 [2022-12-14 07:53:04,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,738 INFO L321 Elim1Store]: treesize reduction 92, result has 43.6 percent of original size [2022-12-14 07:53:04,738 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 579 treesize of output 576 [2022-12-14 07:53:04,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:53:04,803 INFO L321 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2022-12-14 07:53:04,803 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 530 treesize of output 423 [2022-12-14 07:53:04,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,933 INFO L321 Elim1Store]: treesize reduction 136, result has 44.0 percent of original size [2022-12-14 07:53:04,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 307 treesize of output 345 [2022-12-14 07:53:35,259 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6068 conjuctions. This might take some time... [2022-12-14 07:53:53,014 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 6068 conjuctions. [2022-12-14 07:53:54,124 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 6068 conjuctions. This might take some time...