./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/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_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:27:04,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:27:04,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:27:04,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:27:04,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:27:04,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:27:04,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:27:04,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:27:04,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:27:04,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:27:04,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:27:04,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:27:04,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:27:04,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:27:04,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:27:04,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:27:04,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:27:04,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:27:04,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:27:04,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:27:04,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:27:04,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:27:04,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:27:04,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:27:04,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:27:04,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:27:04,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:27:04,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:27:04,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:27:04,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:27:04,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:27:04,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:27:04,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:27:04,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:27:04,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:27:04,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:27:04,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:27:04,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:27:04,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:27:04,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:27:04,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:27:04,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 12:27:04,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:27:04,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:27:04,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:27:04,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:27:04,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:27:04,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:27:04,823 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:27:04,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:27:04,823 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:27:04,823 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:27:04,824 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:27:04,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:27:04,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:27:04,824 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:27:04,824 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:27:04,824 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:27:04,825 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:27:04,825 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:27:04,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:27:04,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:27:04,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:27:04,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:27:04,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:27:04,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:27:04,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:27:04,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:27:04,827 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:27:04,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:27:04,827 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:27:04,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:27:04,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:27:04,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:27:04,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:27:04,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:27:04,828 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:27:04,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:27:04,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:27:04,829 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:27:04,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:27:04,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:27:04,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:27:04,830 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_8ea6e788-84d7-41bc-8bad-ad48174337d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2022-12-14 12:27:05,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:27:05,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:27:05,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:27:05,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:27:05,032 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:27:05,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2022-12-14 12:27:07,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:27:07,778 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:27:07,778 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/sv-benchmarks/c/list-properties/alternating_list-1.i [2022-12-14 12:27:07,786 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/data/8fdf8deb6/89b716a51b004661a037826eb792aea4/FLAG70c709bed [2022-12-14 12:27:07,795 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/data/8fdf8deb6/89b716a51b004661a037826eb792aea4 [2022-12-14 12:27:07,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:27:07,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:27:07,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:27:07,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:27:07,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:27:07,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:27:07" (1/1) ... [2022-12-14 12:27:07,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318200fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:07, skipping insertion in model container [2022-12-14 12:27:07,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:27:07" (1/1) ... [2022-12-14 12:27:07,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:27:07,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:27:08,002 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_8ea6e788-84d7-41bc-8bad-ad48174337d3/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-12-14 12:27:08,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:27:08,014 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:27:08,042 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_8ea6e788-84d7-41bc-8bad-ad48174337d3/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-12-14 12:27:08,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:27:08,058 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:27:08,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08 WrapperNode [2022-12-14 12:27:08,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:27:08,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:27:08,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:27:08,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:27:08,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,087 INFO L138 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-12-14 12:27:08,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:27:08,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:27:08,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:27:08,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:27:08,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:27:08,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:27:08,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:27:08,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:27:08,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (1/1) ... [2022-12-14 12:27:08,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:27:08,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:27:08,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:27:08,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:27:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-12-14 12:27:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:27:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:27:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:27:08,251 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:27:08,253 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:27:08,272 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-12-14 12:27:08,377 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:27:08,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:27:08,399 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 12:27:08,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:27:08 BoogieIcfgContainer [2022-12-14 12:27:08,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:27:08,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:27:08,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:27:08,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:27:08,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:27:07" (1/3) ... [2022-12-14 12:27:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c42819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:27:08, skipping insertion in model container [2022-12-14 12:27:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:08" (2/3) ... [2022-12-14 12:27:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c42819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:27:08, skipping insertion in model container [2022-12-14 12:27:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:27:08" (3/3) ... [2022-12-14 12:27:08,407 INFO L112 eAbstractionObserver]: Analyzing ICFG alternating_list-1.i [2022-12-14 12:27:08,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:27:08,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:27:08,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:27:08,462 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;@519c5579, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:27:08,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:27:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 12:27:08,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:08,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:08,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:08,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:08,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1696129172, now seen corresponding path program 1 times [2022-12-14 12:27:08,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:08,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667597355] [2022-12-14 12:27:08,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:08,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:08,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:08,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667597355] [2022-12-14 12:27:08,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667597355] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:08,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:08,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:27:08,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224040418] [2022-12-14 12:27:08,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:08,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:27:08,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:27:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:27:08,627 INFO L87 Difference]: Start difference. First operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:08,651 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2022-12-14 12:27:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:27:08,653 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 12:27:08,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:08,658 INFO L225 Difference]: With dead ends: 41 [2022-12-14 12:27:08,658 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 12:27:08,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:27:08,662 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:08,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:27:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 12:27:08,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 12:27:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-14 12:27:08,685 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2022-12-14 12:27:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:08,685 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-14 12:27:08,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-14 12:27:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:27:08,686 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:08,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:08,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:27:08,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:08,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:08,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1961675887, now seen corresponding path program 1 times [2022-12-14 12:27:08,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:08,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747103343] [2022-12-14 12:27:08,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:08,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:08,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:08,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747103343] [2022-12-14 12:27:08,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747103343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:08,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:08,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:27:08,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355489397] [2022-12-14 12:27:08,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:08,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:27:08,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:08,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:27:08,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:27:08,769 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:08,786 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-12-14 12:27:08,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:27:08,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-12-14 12:27:08,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:08,788 INFO L225 Difference]: With dead ends: 33 [2022-12-14 12:27:08,788 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 12:27:08,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:27:08,790 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:08,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 28 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:27:08,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 12:27:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2022-12-14 12:27:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-12-14 12:27:08,795 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 11 [2022-12-14 12:27:08,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:08,795 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-12-14 12:27:08,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-14 12:27:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:27:08,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:08,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:08,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:27:08,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:08,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1961668943, now seen corresponding path program 1 times [2022-12-14 12:27:08,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:08,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185292645] [2022-12-14 12:27:08,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:08,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:08,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:08,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185292645] [2022-12-14 12:27:08,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185292645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:08,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:08,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:27:08,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763384152] [2022-12-14 12:27:08,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:08,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:27:08,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:08,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:27:08,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:27:08,926 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:08,989 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2022-12-14 12:27:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:27:08,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2022-12-14 12:27:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:08,990 INFO L225 Difference]: With dead ends: 46 [2022-12-14 12:27:08,990 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 12:27:08,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:27:08,991 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:08,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:27:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 12:27:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2022-12-14 12:27:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-12-14 12:27:08,994 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-12-14 12:27:08,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:08,995 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-12-14 12:27:08,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 12:27:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 12:27:08,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:08,995 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:08,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:27:08,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:08,996 INFO L85 PathProgramCache]: Analyzing trace with hash 499229541, now seen corresponding path program 1 times [2022-12-14 12:27:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:08,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071304640] [2022-12-14 12:27:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:09,312 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 12:27:09,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:09,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071304640] [2022-12-14 12:27:09,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071304640] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:27:09,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319897863] [2022-12-14 12:27:09,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:09,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:09,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:27:09,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:27:09,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:27:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:09,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 12:27:09,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:27:09,417 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 6 treesize of output 5 [2022-12-14 12:27:09,499 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:09,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 12:27:09,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:27:09,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:09,547 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 21 treesize of output 20 [2022-12-14 12:27:09,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 12:27:09,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-12-14 12:27:09,624 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 12:27:09,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:27:09,649 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_83 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_83) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-12-14 12:27:09,745 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:09,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 65 treesize of output 66 [2022-12-14 12:27:09,759 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:09,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 59 treesize of output 60 [2022-12-14 12:27:09,775 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:09,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 67 [2022-12-14 12:27:09,790 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:09,790 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 1 case distinctions, treesize of input 9 treesize of output 8 [2022-12-14 12:27:09,850 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:09,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 62 [2022-12-14 12:27:09,880 INFO L321 Elim1Store]: treesize reduction 17, result has 64.6 percent of original size [2022-12-14 12:27:09,880 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 2 case distinctions, treesize of input 143 treesize of output 156 [2022-12-14 12:27:09,894 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 125 treesize of output 117 [2022-12-14 12:27:09,908 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:09,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 126 [2022-12-14 12:27:09,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 145 treesize of output 137 [2022-12-14 12:27:09,927 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 120 treesize of output 118 [2022-12-14 12:27:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-14 12:27:10,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319897863] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:27:10,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1135785924] [2022-12-14 12:27:10,126 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-12-14 12:27:10,126 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:27:10,129 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:27:10,133 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:27:10,133 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:27:10,187 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:27:10,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 12:27:10,217 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:27:10,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:27:10,282 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:27:10,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 12:27:10,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:10,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:27:10,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:10,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:10,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 12:27:10,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:10,364 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 0 case distinctions, treesize of input 41 treesize of output 31 [2022-12-14 12:27:10,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:10,441 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 12:27:10,442 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 33 treesize of output 62 [2022-12-14 12:27:10,469 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 12:27:10,469 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 96 treesize of output 42 [2022-12-14 12:27:10,510 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-12-14 12:27:10,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-12-14 12:27:10,568 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 12:27:10,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-12-14 12:27:10,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-12-14 12:27:10,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:10,678 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 12:27:10,678 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 320 treesize of output 323 [2022-12-14 12:27:10,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:10,703 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 12:27:10,704 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 314 treesize of output 317 [2022-12-14 12:27:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:10,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:10,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:10,728 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 12:27:10,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 314 treesize of output 295 [2022-12-14 12:27:10,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:11,035 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-12-14 12:27:11,036 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 529 treesize of output 437 [2022-12-14 12:27:11,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:11,087 INFO L321 Elim1Store]: treesize reduction 94, result has 19.7 percent of original size [2022-12-14 12:27:11,087 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 505 treesize of output 476 [2022-12-14 12:27:11,202 INFO L321 Elim1Store]: treesize reduction 234, result has 19.9 percent of original size [2022-12-14 12:27:11,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 442 treesize of output 473 [2022-12-14 12:27:11,237 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 12:27:11,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 437 treesize of output 443 [2022-12-14 12:27:11,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:11,319 INFO L321 Elim1Store]: treesize reduction 288, result has 13.5 percent of original size [2022-12-14 12:27:11,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 481 treesize of output 497 [2022-12-14 12:27:11,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:11,706 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2022-12-14 12:27:11,713 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 5 treesize of output 3 [2022-12-14 12:27:11,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:11,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:11,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:27:11,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:27:12,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:27:12,027 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:12,028 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 117 treesize of output 111 [2022-12-14 12:27:12,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 81 [2022-12-14 12:27:12,061 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:12,061 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 68 treesize of output 68 [2022-12-14 12:27:12,118 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 5 treesize of output 3 [2022-12-14 12:27:12,131 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:12,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 12:27:12,154 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 5 treesize of output 3 [2022-12-14 12:27:12,161 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 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 12:27:12,165 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 5 treesize of output 3 [2022-12-14 12:27:12,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:12,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:12,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:27:12,290 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:12,291 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 161 treesize of output 153 [2022-12-14 12:27:12,318 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:12,319 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 149 treesize of output 141 [2022-12-14 12:27:12,344 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 12:27:12,345 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 139 [2022-12-14 12:27:12,742 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:12,743 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 260 treesize of output 254 [2022-12-14 12:27:12,769 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:12,769 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 224 treesize of output 218 [2022-12-14 12:27:12,840 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 12:27:12,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 149 treesize of output 194 [2022-12-14 12:27:12,891 INFO L321 Elim1Store]: treesize reduction 99, result has 20.8 percent of original size [2022-12-14 12:27:12,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 182 treesize of output 205 [2022-12-14 12:27:12,960 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 12:27:12,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 134 treesize of output 170 [2022-12-14 12:27:23,951 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:23,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:23,958 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 5 treesize of output 3 [2022-12-14 12:27:23,968 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:23,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:24,019 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:24,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:24,026 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 5 treesize of output 3 [2022-12-14 12:27:24,038 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:24,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:24,089 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:24,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 265 treesize of output 268 [2022-12-14 12:27:24,102 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 5 treesize of output 3 [2022-12-14 12:27:24,165 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:27:24,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 245 [2022-12-14 12:27:24,248 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:24,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:24,263 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 5 treesize of output 3 [2022-12-14 12:27:24,280 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:24,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:24,405 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:24,435 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:24,474 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:24,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:24,484 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 5 treesize of output 3 [2022-12-14 12:27:24,499 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:24,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:24,551 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:24,595 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:24,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:24,604 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 5 treesize of output 3 [2022-12-14 12:27:24,619 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:24,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:24,874 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:24,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:24,884 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 5 treesize of output 3 [2022-12-14 12:27:24,899 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:24,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:25,021 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,055 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,074 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,113 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,160 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:25,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:25,169 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 5 treesize of output 3 [2022-12-14 12:27:25,184 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:25,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:25,245 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:25,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:25,255 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 5 treesize of output 3 [2022-12-14 12:27:25,275 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:25,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:25,329 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,372 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,408 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,447 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,546 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:25,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:25,556 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 5 treesize of output 3 [2022-12-14 12:27:25,571 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:25,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:25,614 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:25,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:25,623 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 5 treesize of output 3 [2022-12-14 12:27:25,639 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:25,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:25,703 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,740 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,812 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,880 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,899 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,932 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:25,972 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:25,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:25,984 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 5 treesize of output 3 [2022-12-14 12:27:26,000 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:26,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:26,080 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:26,126 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:26,159 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:26,208 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:26,209 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:26,219 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 5 treesize of output 3 [2022-12-14 12:27:26,235 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:26,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:26,377 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:26,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:26,387 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 5 treesize of output 3 [2022-12-14 12:27:26,402 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:26,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:26,461 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:26,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:26,470 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 5 treesize of output 3 [2022-12-14 12:27:26,485 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:26,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:26,537 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:26,575 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 12:27:26,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:27:26,585 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 5 treesize of output 3 [2022-12-14 12:27:26,600 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:26,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 12:27:28,120 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:27:34,071 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '367#(and (= 3 (select (select |#memory_int| |ULTIMATE.start_main_~t~0#1.base|) |ULTIMATE.start_main_~t~0#1.offset|)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~flag~0#1| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 12:27:34,071 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:27:34,071 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:27:34,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2022-12-14 12:27:34,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294895628] [2022-12-14 12:27:34,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:27:34,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 12:27:34,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:34,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 12:27:34,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=615, Unknown=5, NotChecked=50, Total=756 [2022-12-14 12:27:34,074 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:34,277 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-12-14 12:27:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 12:27:34,277 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 12:27:34,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:34,278 INFO L225 Difference]: With dead ends: 38 [2022-12-14 12:27:34,278 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 12:27:34,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=115, Invalid=814, Unknown=5, NotChecked=58, Total=992 [2022-12-14 12:27:34,279 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:34,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 106 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 1 Unknown, 22 Unchecked, 0.1s Time] [2022-12-14 12:27:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 12:27:34,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2022-12-14 12:27:34,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:34,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-12-14 12:27:34,284 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 15 [2022-12-14 12:27:34,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:34,284 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-12-14 12:27:34,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-14 12:27:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 12:27:34,285 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:34,285 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:34,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:27:34,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:34,487 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:34,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:34,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1878812037, now seen corresponding path program 2 times [2022-12-14 12:27:34,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:34,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416914304] [2022-12-14 12:27:34,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:34,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:34,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:34,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416914304] [2022-12-14 12:27:34,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416914304] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:27:34,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721683711] [2022-12-14 12:27:34,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:27:34,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:34,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:27:34,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:27:34,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:27:34,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 12:27:34,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:27:34,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 12:27:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:27:34,963 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 6 treesize of output 5 [2022-12-14 12:27:35,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:27:35,022 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 12:27:35,022 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 12:27:35,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:35,073 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 13 treesize of output 9 [2022-12-14 12:27:35,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:35,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 12:27:35,130 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:27:35,130 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 37 treesize of output 35 [2022-12-14 12:27:35,141 INFO L321 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2022-12-14 12:27:35,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2022-12-14 12:27:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:35,149 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 14 treesize of output 16 [2022-12-14 12:27:35,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 33 treesize of output 15 [2022-12-14 12:27:35,185 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 14 treesize of output 16 [2022-12-14 12:27:35,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-14 12:27:35,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-12-14 12:27:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:35,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:27:35,249 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-12-14 12:27:35,296 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 61 [2022-12-14 12:27:35,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 79 [2022-12-14 12:27:35,446 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,447 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 55 [2022-12-14 12:27:35,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 48 treesize of output 49 [2022-12-14 12:27:35,466 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,466 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 1 case distinctions, treesize of input 9 treesize of output 8 [2022-12-14 12:27:35,499 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 68 [2022-12-14 12:27:35,523 INFO L321 Elim1Store]: treesize reduction 17, result has 64.6 percent of original size [2022-12-14 12:27:35,523 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 2 case distinctions, treesize of input 510 treesize of output 515 [2022-12-14 12:27:35,533 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 484 treesize of output 452 [2022-12-14 12:27:35,540 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 452 treesize of output 436 [2022-12-14 12:27:35,553 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:35,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 443 treesize of output 441 [2022-12-14 12:27:35,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 487 treesize of output 479 [2022-12-14 12:27:35,569 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 462 treesize of output 458 [2022-12-14 12:27:35,576 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 458 treesize of output 456 [2022-12-14 12:27:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-12-14 12:27:36,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721683711] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:27:36,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [895655872] [2022-12-14 12:27:36,849 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-12-14 12:27:36,849 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:27:36,849 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:27:36,849 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:27:36,850 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:27:36,875 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:27:36,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:27:36,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 12:27:36,920 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 12:27:36,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 12:27:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:36,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:27:36,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:36,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:36,975 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:27:36,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 12:27:36,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:37,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:37,010 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 0 case distinctions, treesize of input 41 treesize of output 31 [2022-12-14 12:27:37,079 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 12:27:37,079 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 33 treesize of output 62 [2022-12-14 12:27:37,098 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 12:27:37,098 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 34 treesize of output 16 [2022-12-14 12:27:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:37,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 42 [2022-12-14 12:27:37,161 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-12-14 12:27:37,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-12-14 12:27:37,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2022-12-14 12:27:37,241 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:27:37,241 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 326 treesize of output 323 [2022-12-14 12:27:37,266 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 12:27:37,266 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 314 treesize of output 317 [2022-12-14 12:27:37,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:37,308 INFO L321 Elim1Store]: treesize reduction 146, result has 13.1 percent of original size [2022-12-14 12:27:37,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 314 treesize of output 295 [2022-12-14 12:27:37,483 INFO L321 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2022-12-14 12:27:37,483 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 567 treesize of output 467 [2022-12-14 12:27:37,611 INFO L321 Elim1Store]: treesize reduction 234, result has 19.9 percent of original size [2022-12-14 12:27:37,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 480 treesize of output 511 [2022-12-14 12:27:37,645 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 12:27:37,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 475 treesize of output 481 [2022-12-14 12:27:37,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:37,725 INFO L321 Elim1Store]: treesize reduction 374, result has 12.0 percent of original size [2022-12-14 12:27:37,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 543 treesize of output 559 [2022-12-14 12:27:37,763 INFO L321 Elim1Store]: treesize reduction 100, result has 18.7 percent of original size [2022-12-14 12:27:37,763 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 540 treesize of output 482 [2022-12-14 12:27:38,154 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 5 treesize of output 3 [2022-12-14 12:27:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:38,212 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 0 case distinctions, treesize of input 37 treesize of output 31 [2022-12-14 12:27:38,222 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 5 treesize of output 3 [2022-12-14 12:27:38,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:38,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:38,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:27:38,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:27:38,341 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:38,342 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 117 treesize of output 111 [2022-12-14 12:27:38,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 81 [2022-12-14 12:27:38,365 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:38,365 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 68 treesize of output 68 [2022-12-14 12:27:38,389 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 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 12:27:38,392 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 5 treesize of output 3 [2022-12-14 12:27:38,400 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 5 treesize of output 3 [2022-12-14 12:27:38,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:27:38,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:38,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:38,420 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 19 treesize of output 1 [2022-12-14 12:27:38,493 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 12:27:38,494 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 163 [2022-12-14 12:27:38,516 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:38,516 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 157 treesize of output 149 [2022-12-14 12:27:38,537 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:38,537 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 145 treesize of output 137 [2022-12-14 12:27:38,875 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 12:27:38,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 168 treesize of output 204 [2022-12-14 12:27:38,961 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 12:27:38,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 167 treesize of output 212 [2022-12-14 12:27:39,007 INFO L321 Elim1Store]: treesize reduction 99, result has 20.8 percent of original size [2022-12-14 12:27:39,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 271 [2022-12-14 12:27:39,041 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:39,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 222 [2022-12-14 12:27:39,073 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:39,074 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 192 treesize of output 186 [2022-12-14 12:27:47,728 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:47,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:47,738 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:47,753 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:47,757 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 5 treesize of output 3 [2022-12-14 12:27:47,763 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,783 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:47,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:47,795 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:47,813 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:47,819 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 5 treesize of output 3 [2022-12-14 12:27:47,825 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,859 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:47,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:47,871 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:47,889 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:47,894 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 5 treesize of output 3 [2022-12-14 12:27:47,901 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,925 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:47,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:47,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:47,958 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:47,963 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 5 treesize of output 3 [2022-12-14 12:27:47,970 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,020 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,027 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,044 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,050 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,072 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,096 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,103 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,135 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,141 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,187 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,193 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,210 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,216 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,505 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,510 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,525 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:48,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:48,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:48,553 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:48,557 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 5 treesize of output 3 [2022-12-14 12:27:48,565 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,587 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,611 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,617 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,656 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,663 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,680 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,688 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,708 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,716 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,747 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,772 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,818 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:48,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:48,832 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,854 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,862 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,880 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,888 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:48,911 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:48,918 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 5 treesize of output 3 [2022-12-14 12:27:48,926 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,958 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,964 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,983 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:48,989 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,008 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,020 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,040 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,049 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,157 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,166 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,186 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:49,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:49,201 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:49,223 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:49,230 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 5 treesize of output 3 [2022-12-14 12:27:49,238 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,265 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,274 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,293 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,302 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,350 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,358 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,386 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,406 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,414 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,441 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,451 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,469 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,477 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,525 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:49,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:49,541 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,567 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,576 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:49,623 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:49,629 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 5 treesize of output 3 [2022-12-14 12:27:49,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,663 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,673 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,701 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,729 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,737 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,948 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,957 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,971 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,978 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,992 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:49,999 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,015 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,024 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,039 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,048 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,087 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,094 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,113 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,119 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,137 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,161 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,168 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,185 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,191 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,241 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,250 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,277 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,300 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,319 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,327 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,353 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,362 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,382 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,390 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,406 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,414 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,433 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,441 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,582 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,589 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,606 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,614 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,632 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,661 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,670 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,689 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,698 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,738 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,746 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,775 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,803 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,831 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,848 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,858 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,920 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,926 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,944 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,949 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,963 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,969 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,984 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:50,990 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,019 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,037 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,062 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,077 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,084 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,178 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,185 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,209 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,215 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,229 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,258 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,289 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,294 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,312 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,318 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,331 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,337 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,352 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,357 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,379 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,385 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,409 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,423 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,429 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,444 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,450 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,481 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,488 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,508 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,515 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,529 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,556 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,563 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,802 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,808 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,827 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,833 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,848 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,854 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,876 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,902 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:51,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:51,915 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,935 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,942 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:51,960 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:51,966 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 5 treesize of output 3 [2022-12-14 12:27:51,974 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,990 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:51,997 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,073 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,100 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,116 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,123 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,144 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,151 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,171 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,213 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:52,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:52,227 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:52,244 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:52,250 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 5 treesize of output 3 [2022-12-14 12:27:52,257 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,290 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,307 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,318 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,332 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-14 12:27:52,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 12:27:52,345 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:52,366 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-12-14 12:27:52,373 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 5 treesize of output 3 [2022-12-14 12:27:52,379 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,392 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,495 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,502 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,524 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,532 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,550 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,557 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,574 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,581 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,611 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,620 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,643 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,652 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,665 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,671 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,687 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,694 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,763 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,768 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,783 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,790 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,805 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,811 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,844 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,861 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,911 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,919 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,935 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,943 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,959 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,966 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,989 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:52,997 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:53,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:53,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:55,478 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:27:57,459 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '602#(and (= 3 (select (select |#memory_int| |ULTIMATE.start_main_~t~0#1.base|) |ULTIMATE.start_main_~t~0#1.offset|)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~flag~0#1| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 12:27:57,459 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:27:57,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:27:57,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2022-12-14 12:27:57,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539533932] [2022-12-14 12:27:57,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:27:57,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-14 12:27:57,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-14 12:27:57,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=941, Unknown=7, NotChecked=62, Total=1122 [2022-12-14 12:27:57,462 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:57,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:57,959 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2022-12-14 12:27:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 12:27:57,959 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 12:27:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:57,960 INFO L225 Difference]: With dead ends: 57 [2022-12-14 12:27:57,960 INFO L226 Difference]: Without dead ends: 55 [2022-12-14 12:27:57,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=200, Invalid=1519, Unknown=7, NotChecked=80, Total=1806 [2022-12-14 12:27:57,961 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 50 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:57,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 131 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 178 Invalid, 1 Unknown, 33 Unchecked, 0.2s Time] [2022-12-14 12:27:57,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-14 12:27:57,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 39. [2022-12-14 12:27:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-12-14 12:27:57,965 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 19 [2022-12-14 12:27:57,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:57,965 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-12-14 12:27:57,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:27:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-12-14 12:27:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 12:27:57,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:57,965 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:57,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:27:58,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:58,167 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:58,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:58,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1872577092, now seen corresponding path program 1 times [2022-12-14 12:27:58,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:58,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749071535] [2022-12-14 12:27:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:58,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:58,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749071535] [2022-12-14 12:27:58,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749071535] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:27:58,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476294622] [2022-12-14 12:27:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:58,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:27:58,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:27:58,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:27:58,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:27:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:58,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-14 12:27:58,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:27:58,505 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 6 treesize of output 5 [2022-12-14 12:27:58,529 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:27:58,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 12:27:58,552 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 13 treesize of output 9 [2022-12-14 12:27:58,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:58,586 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:27:58,586 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 64 treesize of output 61 [2022-12-14 12:27:58,589 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 29 treesize of output 19 [2022-12-14 12:27:58,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 12:27:58,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 21 [2022-12-14 12:27:58,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 23 treesize of output 11 [2022-12-14 12:27:58,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-12-14 12:27:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:27:58,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:27:58,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 79 treesize of output 57 [2022-12-14 12:27:58,653 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (forall ((v_ArrVal_236 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_236) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_238 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_238) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.base|)))) is different from false [2022-12-14 12:27:58,665 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:58,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 22 treesize of output 23 [2022-12-14 12:27:58,669 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:27:58,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-12-14 12:27:58,671 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 11 treesize of output 7 [2022-12-14 12:27:58,680 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 12:27:58,681 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-12-14 12:27:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-14 12:27:58,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476294622] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:27:58,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [379132522] [2022-12-14 12:27:58,730 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 12:27:58,730 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:27:58,730 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:27:58,731 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:27:58,731 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:27:58,757 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:27:58,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 12:27:58,783 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:27:58,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 12:27:58,830 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-12-14 12:27:58,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 12:27:58,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:58,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:58,880 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-12-14 12:27:58,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-12-14 12:27:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:58,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 12:27:58,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:58,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:58,919 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 0 case distinctions, treesize of input 41 treesize of output 31 [2022-12-14 12:27:58,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:58,956 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 12:27:58,956 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 34 treesize of output 16 [2022-12-14 12:27:58,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:27:58,979 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 12:27:58,979 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 2 case distinctions, treesize of input 33 treesize of output 46 [2022-12-14 12:27:58,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:27:58,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 42 [2022-12-14 12:27:59,046 INFO L321 Elim1Store]: treesize reduction 90, result has 35.3 percent of original size [2022-12-14 12:27:59,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 77 [2022-12-14 12:27:59,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-12-14 12:27:59,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:59,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:59,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:27:59,137 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:59,137 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 168 treesize of output 144 [2022-12-14 12:27:59,160 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 12:27:59,160 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 84 treesize of output 84 [2022-12-14 12:27:59,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 57 [2022-12-14 12:27:59,199 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 5 treesize of output 3 [2022-12-14 12:27:59,206 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 12:27:59,220 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 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 12:27:59,223 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 5 treesize of output 3 [2022-12-14 12:27:59,229 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 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 12:27:59,232 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 5 treesize of output 3 [2022-12-14 12:27:59,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:27:59,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:27:59,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:27:59,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:59,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 12:27:59,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:27:59,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:59,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:27:59,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 105 [2022-12-14 12:27:59,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 82 treesize of output 70 [2022-12-14 12:27:59,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 58 treesize of output 46 [2022-12-14 12:27:59,429 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 0 case distinctions, treesize of input 16 treesize of output 5 [2022-12-14 12:27:59,432 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 5 treesize of output 3 [2022-12-14 12:27:59,441 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 5 treesize of output 3 [2022-12-14 12:27:59,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:27:59,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:27:59,456 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:27:59,937 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '882#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~flag~0#1| 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 12:27:59,937 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:27:59,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:27:59,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-12-14 12:27:59,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298113181] [2022-12-14 12:27:59,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:27:59,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 12:27:59,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:59,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 12:27:59,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=668, Unknown=1, NotChecked=52, Total=812 [2022-12-14 12:27:59,938 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:28:00,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:00,149 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2022-12-14 12:28:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 12:28:00,150 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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 20 [2022-12-14 12:28:00,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:00,150 INFO L225 Difference]: With dead ends: 59 [2022-12-14 12:28:00,150 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 12:28:00,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=140, Invalid=919, Unknown=1, NotChecked=62, Total=1122 [2022-12-14 12:28:00,151 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 10 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:00,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 107 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 108 Invalid, 7 Unknown, 20 Unchecked, 0.1s Time] [2022-12-14 12:28:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 12:28:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-12-14 12:28:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:28:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-12-14 12:28:00,154 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2022-12-14 12:28:00,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:00,154 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-12-14 12:28:00,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:28:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-12-14 12:28:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 12:28:00,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:00,155 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:00,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:28:00,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:28:00,356 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:28:00,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:00,357 INFO L85 PathProgramCache]: Analyzing trace with hash -527939346, now seen corresponding path program 2 times [2022-12-14 12:28:00,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:00,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604843958] [2022-12-14 12:28:00,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:00,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:28:00,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:00,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604843958] [2022-12-14 12:28:00,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604843958] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:28:00,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661259944] [2022-12-14 12:28:00,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:28:00,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:28:00,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:28:00,853 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:28:00,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea6e788-84d7-41bc-8bad-ad48174337d3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:28:00,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 12:28:00,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:28:00,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 66 conjunts are in the unsatisfiable core [2022-12-14 12:28:00,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:28:00,941 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 6 treesize of output 5 [2022-12-14 12:28:00,983 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:28:00,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 12:28:00,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:28:00,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:28:01,025 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 13 treesize of output 9 [2022-12-14 12:28:01,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:28:01,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 12:28:01,072 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:28:01,073 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 26 treesize of output 26 [2022-12-14 12:28:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:01,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 12:28:01,121 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 12:28:01,121 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 125 treesize of output 116 [2022-12-14 12:28:01,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:28:01,126 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 51 treesize of output 44 [2022-12-14 12:28:01,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2022-12-14 12:28:01,179 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 12:28:01,179 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 56 treesize of output 56 [2022-12-14 12:28:01,189 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 12:28:01,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-12-14 12:28:01,204 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 12:28:01,204 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 47 [2022-12-14 12:28:01,210 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 15 treesize of output 11 [2022-12-14 12:28:01,230 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 59 treesize of output 47 [2022-12-14 12:28:01,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 73 treesize of output 53 [2022-12-14 12:28:01,562 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 12:28:01,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 37 [2022-12-14 12:28:01,724 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 12:28:01,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 25 [2022-12-14 12:28:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:28:01,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:28:02,100 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:28:02,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 79 [2022-12-14 12:28:02,118 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:28:02,118 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 1 case distinctions, treesize of input 9 treesize of output 8 [2022-12-14 12:28:02,159 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:28:02,159 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 127 [2022-12-14 12:28:02,182 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:28:02,182 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 127 [2022-12-14 12:28:02,303 INFO L321 Elim1Store]: treesize reduction 48, result has 58.3 percent of original size [2022-12-14 12:28:02,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 642 treesize of output 669 [2022-12-14 12:28:03,655 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-14 12:28:03,662 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-14 12:28:03,666 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 6 treesize of output 4 [2022-12-14 12:28:03,683 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-14 12:28:03,714 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 6 treesize of output 4 [2022-12-14 12:28:07,284 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:28:07,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 169 treesize of output 239 [2022-12-14 12:28:09,603 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 8 treesize of output 4 [2022-12-14 12:28:09,616 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 35 treesize of output 7 [2022-12-14 12:28:09,620 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 8 treesize of output 4 [2022-12-14 12:28:09,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 24 treesize of output 8 [2022-12-14 12:28:09,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2022-12-14 12:28:09,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 17 treesize of output 3 [2022-12-14 12:28:09,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 7 [2022-12-14 12:28:09,714 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:28:09,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2022-12-14 12:28:09,753 INFO L321 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2022-12-14 12:28:09,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 126 treesize of output 148 [2022-12-14 12:28:09,880 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 17 treesize of output 3 [2022-12-14 12:28:10,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 17 treesize of output 3 [2022-12-14 12:28:10,270 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 17 treesize of output 3 [2022-12-14 12:28:10,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 17 treesize of output 3 [2022-12-14 12:28:10,331 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-14 12:28:10,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 7 [2022-12-14 12:28:10,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 7 [2022-12-14 12:28:10,368 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 35 treesize of output 7 [2022-12-14 12:28:10,372 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 8 treesize of output 4 [2022-12-14 12:28:10,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 7 [2022-12-14 12:28:10,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 17 treesize of output 3