./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur --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 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:29:39,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:29:39,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:29:39,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:29:39,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:29:39,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:29:39,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:29:39,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:29:39,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:29:39,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:29:39,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:29:39,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:29:39,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:29:39,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:29:39,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:29:39,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:29:39,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:29:39,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:29:39,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:29:39,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:29:39,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:29:39,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:29:39,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:29:39,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:29:39,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:29:39,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:29:39,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:29:39,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:29:39,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:29:39,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:29:39,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:29:39,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:29:39,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:29:39,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:29:39,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:29:39,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:29:39,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:29:39,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:29:39,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:29:39,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:29:39,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:29:39,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:29:39,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:29:39,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:29:39,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:29:39,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:29:39,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:29:39,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:29:39,800 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:29:39,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:29:39,801 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:29:39,801 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:29:39,801 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:29:39,801 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:29:39,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:29:39,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:29:39,802 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:29:39,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:29:39,802 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:29:39,802 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:29:39,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:29:39,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:29:39,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:29:39,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:29:39,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:29:39,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:29:39,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:29:39,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:29:39,804 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:29:39,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:29:39,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:29:39,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:29:39,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:29:39,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:29:39,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:29:39,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:29:39,806 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:29:39,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:29:39,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:29:39,806 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:29:39,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:29:39,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:29:39,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:29:39,807 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_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a [2022-11-25 23:29:40,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:29:40,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:29:40,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:29:40,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:29:40,150 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:29:40,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-25 23:29:43,236 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:29:43,455 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:29:43,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-25 23:29:43,462 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/data/3e57656f7/55a5d51554be41a0a6724d6c68b7059e/FLAGb947af5da [2022-11-25 23:29:43,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/data/3e57656f7/55a5d51554be41a0a6724d6c68b7059e [2022-11-25 23:29:43,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:29:43,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:29:43,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:29:43,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:29:43,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:29:43,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a337497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43, skipping insertion in model container [2022-11-25 23:29:43,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:29:43,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:29:43,699 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_01961290-aa03-40b6-8b9e-f7955d5f884d/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-25 23:29:43,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:29:43,719 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:29:43,755 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_01961290-aa03-40b6-8b9e-f7955d5f884d/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-25 23:29:43,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:29:43,799 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:29:43,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43 WrapperNode [2022-11-25 23:29:43,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:29:43,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:29:43,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:29:43,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:29:43,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,826 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-25 23:29:43,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:29:43,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:29:43,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:29:43,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:29:43,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:29:43,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:29:43,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:29:43,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:29:43,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (1/1) ... [2022-11-25 23:29:43,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:29:43,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:43,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:29:43,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:29:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:29:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:29:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:29:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:29:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:29:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:29:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:29:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:29:44,059 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:29:44,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:29:44,283 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:29:44,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:29:44,329 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 23:29:44,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:29:44 BoogieIcfgContainer [2022-11-25 23:29:44,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:29:44,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:29:44,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:29:44,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:29:44,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:29:43" (1/3) ... [2022-11-25 23:29:44,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aeebdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:29:44, skipping insertion in model container [2022-11-25 23:29:44,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:29:43" (2/3) ... [2022-11-25 23:29:44,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aeebdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:29:44, skipping insertion in model container [2022-11-25 23:29:44,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:29:44" (3/3) ... [2022-11-25 23:29:44,341 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcpy_ground-1.i [2022-11-25 23:29:44,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:29:44,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:29:44,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:29:44,416 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;@bcd1af2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:29:44,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:29:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:29:44,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:44,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:44,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:44,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:44,432 INFO L85 PathProgramCache]: Analyzing trace with hash -583452026, now seen corresponding path program 1 times [2022-11-25 23:29:44,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:44,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266887015] [2022-11-25 23:29:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:29:44,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:44,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266887015] [2022-11-25 23:29:44,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266887015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:44,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:44,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:29:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023782335] [2022-11-25 23:29:44,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:44,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:29:44,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:44,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:29:44,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:29:44,672 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:44,723 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-25 23:29:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:29:44,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-25 23:29:44,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:44,734 INFO L225 Difference]: With dead ends: 18 [2022-11-25 23:29:44,734 INFO L226 Difference]: Without dead ends: 10 [2022-11-25 23:29:44,737 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 [2022-11-25 23:29:44,744 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:44,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:29:44,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-25 23:29:44,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-25 23:29:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-25 23:29:44,780 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2022-11-25 23:29:44,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:44,781 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-25 23:29:44,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-25 23:29:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:29:44,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:44,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:44,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:29:44,784 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:44,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash 117723461, now seen corresponding path program 1 times [2022-11-25 23:29:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:44,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936667075] [2022-11-25 23:29:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:44,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:29:44,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:44,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936667075] [2022-11-25 23:29:44,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936667075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:44,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:29:44,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:29:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903433653] [2022-11-25 23:29:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:44,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:29:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:44,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:29:44,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:29:44,958 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:44,982 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-25 23:29:44,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:29:44,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-11-25 23:29:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:44,983 INFO L225 Difference]: With dead ends: 19 [2022-11-25 23:29:44,983 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 23:29:44,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:29:44,985 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:44,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:29:44,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 23:29:44,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-25 23:29:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-11-25 23:29:44,990 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2022-11-25 23:29:44,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:44,991 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-25 23:29:44,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-25 23:29:44,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 23:29:44,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:44,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:44,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:29:44,993 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:44,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:44,994 INFO L85 PathProgramCache]: Analyzing trace with hash -903641258, now seen corresponding path program 1 times [2022-11-25 23:29:44,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:44,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199425154] [2022-11-25 23:29:44,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:44,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:29:45,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:45,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199425154] [2022-11-25 23:29:45,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199425154] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:45,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345140648] [2022-11-25 23:29:45,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:45,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:45,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:45,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:29:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:45,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:29:45,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:29:45,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:29:45,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345140648] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:45,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1186060673] [2022-11-25 23:29:45,350 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-25 23:29:45,350 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:45,354 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:45,359 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:45,360 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,484 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:29:45,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:29:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,555 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:45,556 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 39 treesize of output 53 [2022-11-25 23:29:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:29:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:45,785 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:29:45,785 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 258 treesize of output 246 [2022-11-25 23:29:45,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:45,950 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:29:46,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1186060673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:29:46,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:29:46,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2022-11-25 23:29:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741369742] [2022-11-25 23:29:46,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:29:46,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:29:46,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:46,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:29:46,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:29:46,198 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:46,249 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-11-25 23:29:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:29:46,250 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 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 9 [2022-11-25 23:29:46,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:46,253 INFO L225 Difference]: With dead ends: 20 [2022-11-25 23:29:46,254 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 23:29:46,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:29:46,259 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:46,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:29:46,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 23:29:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 23:29:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-25 23:29:46,267 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2022-11-25 23:29:46,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:46,267 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-25 23:29:46,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-25 23:29:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:29:46,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:46,269 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:46,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:29:46,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:46,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:46,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1919282960, now seen corresponding path program 1 times [2022-11-25 23:29:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:46,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63271864] [2022-11-25 23:29:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:29:46,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:46,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63271864] [2022-11-25 23:29:46,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63271864] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:46,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109846850] [2022-11-25 23:29:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:46,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:46,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:46,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:29:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:46,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:29:46,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:29:46,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:29:46,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109846850] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:46,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [594286716] [2022-11-25 23:29:46,689 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-25 23:29:46,689 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:46,690 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:46,690 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:46,690 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:46,788 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:46,791 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 39 treesize of output 53 [2022-11-25 23:29:46,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:46,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-25 23:29:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:46,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:29:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:47,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:47,035 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:29:47,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:29:47,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:47,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:47,244 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:47,245 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 39 treesize of output 29 [2022-11-25 23:29:47,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:47,298 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:47,299 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 25 treesize of output 25 [2022-11-25 23:29:47,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:47,379 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:47,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-25 23:29:47,391 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:29:47,809 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '266#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-25 23:29:47,809 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:29:47,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:29:47,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-25 23:29:47,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039962201] [2022-11-25 23:29:47,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:29:47,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:29:47,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:47,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:29:47,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:29:47,811 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:47,841 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-25 23:29:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:29:47,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 23:29:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:47,842 INFO L225 Difference]: With dead ends: 26 [2022-11-25 23:29:47,842 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 23:29:47,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:29:47,844 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:47,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:29:47,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 23:29:47,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 23:29:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-25 23:29:47,850 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-11-25 23:29:47,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:47,850 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-25 23:29:47,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-25 23:29:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:29:47,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:47,851 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:47,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:29:48,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:48,057 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:48,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:48,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1343003265, now seen corresponding path program 2 times [2022-11-25 23:29:48,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:48,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281450336] [2022-11-25 23:29:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:29:48,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:48,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281450336] [2022-11-25 23:29:48,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281450336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:48,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369945060] [2022-11-25 23:29:48,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:29:48,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:48,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:48,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:29:48,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 23:29:48,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:29:48,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 23:29:48,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:48,368 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:29:48,369 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 15 treesize of output 15 [2022-11-25 23:29:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 23:29:48,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:48,511 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:29:48,512 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 82 treesize of output 78 [2022-11-25 23:29:48,531 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:29:48,531 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 20 treesize of output 18 [2022-11-25 23:29:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 23:29:48,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369945060] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:48,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1229659469] [2022-11-25 23:29:48,568 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-25 23:29:48,569 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:48,570 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:48,570 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:48,570 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,630 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:29:48,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:29:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,690 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:48,691 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 39 treesize of output 53 [2022-11-25 23:29:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:29:48,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:48,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:48,838 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:29:48,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:29:48,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:48,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:49,008 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:49,009 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 39 treesize of output 29 [2022-11-25 23:29:49,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:49,064 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:49,064 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 25 treesize of output 25 [2022-11-25 23:29:49,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:49,135 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:49,135 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 25 treesize of output 25 [2022-11-25 23:29:49,144 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:29:49,583 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '426#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-25 23:29:49,583 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:29:49,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:29:49,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-11-25 23:29:49,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275108977] [2022-11-25 23:29:49,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:29:49,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 23:29:49,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:49,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 23:29:49,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2022-11-25 23:29:49,585 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:49,815 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-25 23:29:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:29:49,816 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 23:29:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:49,816 INFO L225 Difference]: With dead ends: 31 [2022-11-25 23:29:49,816 INFO L226 Difference]: Without dead ends: 21 [2022-11-25 23:29:49,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2022-11-25 23:29:49,817 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:49,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 27 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:29:49,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-25 23:29:49,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-11-25 23:29:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-25 23:29:49,829 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 14 [2022-11-25 23:29:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:49,829 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-25 23:29:49,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-25 23:29:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:29:49,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:49,830 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:49,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:29:50,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:50,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:50,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:50,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1675846128, now seen corresponding path program 1 times [2022-11-25 23:29:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:50,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292151845] [2022-11-25 23:29:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:29:50,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:50,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292151845] [2022-11-25 23:29:50,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292151845] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:50,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301673217] [2022-11-25 23:29:50,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:50,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:50,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:50,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:29:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:50,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:29:50,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:29:50,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:29:50,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301673217] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:50,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [612391182] [2022-11-25 23:29:50,372 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:29:50,372 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:50,373 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:50,373 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:50,373 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:50,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,416 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:29:50,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:29:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,463 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:50,464 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 39 treesize of output 53 [2022-11-25 23:29:50,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:29:50,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:50,579 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:29:50,580 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 258 treesize of output 246 [2022-11-25 23:29:50,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:50,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:50,686 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:50,691 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 39 treesize of output 29 [2022-11-25 23:29:50,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:50,732 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:50,732 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 25 treesize of output 25 [2022-11-25 23:29:50,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:50,973 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:50,973 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 25 treesize of output 25 [2022-11-25 23:29:50,979 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:29:51,835 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '639#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:29:51,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:29:51,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:29:51,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-11-25 23:29:51,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575406720] [2022-11-25 23:29:51,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:29:51,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 23:29:51,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:51,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 23:29:51,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:29:51,837 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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) [2022-11-25 23:29:51,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:51,883 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-11-25 23:29:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 23:29:51,884 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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) Word has length 18 [2022-11-25 23:29:51,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:51,886 INFO L225 Difference]: With dead ends: 38 [2022-11-25 23:29:51,887 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:29:51,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:29:51,889 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:51,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:29:51,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:29:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 23:29:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-25 23:29:51,907 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2022-11-25 23:29:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:51,907 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-25 23:29:51,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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) [2022-11-25 23:29:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-25 23:29:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:29:51,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:51,909 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:51,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:29:52,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:29:52,111 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:52,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1957214079, now seen corresponding path program 2 times [2022-11-25 23:29:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:52,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460972804] [2022-11-25 23:29:52,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:29:52,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:52,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460972804] [2022-11-25 23:29:52,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460972804] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:52,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485411397] [2022-11-25 23:29:52,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:29:52,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:52,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:52,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:52,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:29:52,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 23:29:52,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:29:52,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:29:52,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-25 23:29:52,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-25 23:29:52,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485411397] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:52,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [375724917] [2022-11-25 23:29:52,714 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:29:52,714 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:52,714 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:52,715 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:52,715 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:52,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:52,775 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:29:52,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:29:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:52,828 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:52,829 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 39 treesize of output 53 [2022-11-25 23:29:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:52,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:29:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:52,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:52,943 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:29:52,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:29:53,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:53,091 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:29:53,092 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 24 treesize of output 19 [2022-11-25 23:29:53,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:53,135 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:53,135 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 25 treesize of output 25 [2022-11-25 23:29:53,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:53,366 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:53,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-25 23:29:53,372 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:29:54,236 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '913#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:29:54,236 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:29:54,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:29:54,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 20 [2022-11-25 23:29:54,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622323329] [2022-11-25 23:29:54,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:29:54,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 23:29:54,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:54,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 23:29:54,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2022-11-25 23:29:54,239 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:54,544 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-25 23:29:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 23:29:54,545 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 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 25 [2022-11-25 23:29:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:54,545 INFO L225 Difference]: With dead ends: 46 [2022-11-25 23:29:54,545 INFO L226 Difference]: Without dead ends: 29 [2022-11-25 23:29:54,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2022-11-25 23:29:54,547 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:54,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:29:54,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-25 23:29:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-25 23:29:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-25 23:29:54,556 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2022-11-25 23:29:54,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:54,556 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-25 23:29:54,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-25 23:29:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:29:54,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:54,558 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:54,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-25 23:29:54,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 23:29:54,758 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1673003798, now seen corresponding path program 3 times [2022-11-25 23:29:54,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:54,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324074539] [2022-11-25 23:29:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:54,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:29:55,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:55,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324074539] [2022-11-25 23:29:55,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324074539] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:55,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719580688] [2022-11-25 23:29:55,074 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:29:55,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:55,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:55,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:55,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:29:55,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:29:55,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:29:55,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 23:29:55,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:29:55,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:29:55,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719580688] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:55,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [452871943] [2022-11-25 23:29:55,530 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:29:55,530 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:55,530 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:55,531 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:55,531 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,576 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:29:55,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:29:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,628 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:55,628 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 39 treesize of output 53 [2022-11-25 23:29:55,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:29:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:55,730 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:29:55,730 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 258 treesize of output 246 [2022-11-25 23:29:55,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:55,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:55,839 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:55,840 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 39 treesize of output 29 [2022-11-25 23:29:55,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:55,876 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:55,877 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 25 treesize of output 25 [2022-11-25 23:29:56,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:56,081 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:56,081 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 25 treesize of output 25 [2022-11-25 23:29:56,087 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:29:56,923 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1258#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:29:56,924 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:29:56,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:29:56,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-11-25 23:29:56,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173749874] [2022-11-25 23:29:56,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:29:56,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-25 23:29:56,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:29:56,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-25 23:29:56,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 23:29:56,927 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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) [2022-11-25 23:29:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:29:56,997 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2022-11-25 23:29:56,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 23:29:56,998 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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 28 [2022-11-25 23:29:56,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:29:56,999 INFO L225 Difference]: With dead ends: 58 [2022-11-25 23:29:56,999 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 23:29:57,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 23:29:57,001 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:29:57,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:29:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 23:29:57,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-25 23:29:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.069767441860465) internal successors, (46), 43 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:29:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-11-25 23:29:57,015 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 28 [2022-11-25 23:29:57,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:29:57,016 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-11-25 23:29:57,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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) [2022-11-25 23:29:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-11-25 23:29:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:29:57,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:29:57,017 INFO L195 NwaCegarLoop]: trace histogram [28, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:29:57,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:29:57,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:57,224 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:29:57,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:29:57,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1122167751, now seen corresponding path program 4 times [2022-11-25 23:29:57,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:29:57,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780572756] [2022-11-25 23:29:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:29:57,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:29:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:29:58,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:29:58,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780572756] [2022-11-25 23:29:58,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780572756] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:29:58,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724726640] [2022-11-25 23:29:58,082 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 23:29:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:29:58,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:29:58,084 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:29:58,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:29:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:29:58,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-25 23:29:58,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:29:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:29:58,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:29:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:29:59,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724726640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:29:59,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [516100692] [2022-11-25 23:29:59,501 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:29:59,501 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:29:59,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:29:59,502 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:29:59,502 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:29:59,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:59,556 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:29:59,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:29:59,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:59,613 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:29:59,614 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 39 treesize of output 53 [2022-11-25 23:29:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:59,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:29:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:59,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:59,732 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:29:59,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:29:59,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:29:59,901 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:29:59,901 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 24 treesize of output 19 [2022-11-25 23:29:59,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:29:59,936 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:29:59,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-25 23:30:00,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:00,141 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:00,142 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 25 treesize of output 25 [2022-11-25 23:30:00,148 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:30:00,965 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1753#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:30:00,965 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:30:00,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:30:00,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2022-11-25 23:30:00,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225107069] [2022-11-25 23:30:00,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:30:00,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-25 23:30:00,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:00,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-25 23:30:00,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-25 23:30:00,970 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:01,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:01,102 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-25 23:30:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-25 23:30:01,103 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-11-25 23:30:01,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:01,108 INFO L225 Difference]: With dead ends: 88 [2022-11-25 23:30:01,108 INFO L226 Difference]: Without dead ends: 74 [2022-11-25 23:30:01,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-25 23:30:01,112 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:01,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:30:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-25 23:30:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-25 23:30:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.0410958904109588) internal successors, (76), 73 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2022-11-25 23:30:01,143 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 43 [2022-11-25 23:30:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:01,144 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2022-11-25 23:30:01,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2022-11-25 23:30:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-25 23:30:01,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:01,148 INFO L195 NwaCegarLoop]: trace histogram [58, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:01,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:30:01,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:30:01,355 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:30:01,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:01,355 INFO L85 PathProgramCache]: Analyzing trace with hash -176371737, now seen corresponding path program 5 times [2022-11-25 23:30:01,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:01,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098738445] [2022-11-25 23:30:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:30:04,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:04,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098738445] [2022-11-25 23:30:04,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098738445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:30:04,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418065950] [2022-11-25 23:30:04,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:30:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:30:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:30:04,475 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:30:04,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:30:04,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 23:30:04,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:30:04,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 23:30:04,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:30:04,639 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 10 treesize of output 8 [2022-11-25 23:30:05,068 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 19 treesize of output 19 [2022-11-25 23:30:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-25 23:30:05,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:30:05,495 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:30:05,495 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 92 treesize of output 88 [2022-11-25 23:30:05,560 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-25 23:30:05,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 63 treesize of output 47 [2022-11-25 23:30:05,568 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:30:05,568 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 29 treesize of output 1 [2022-11-25 23:30:05,577 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:30:05,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 1 [2022-11-25 23:30:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,593 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:30:05,602 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:30:05,603 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 24 treesize of output 1 [2022-11-25 23:30:05,609 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:30:05,609 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 51 treesize of output 1 [2022-11-25 23:30:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,614 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-25 23:30:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-25 23:30:05,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418065950] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:30:05,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2041331537] [2022-11-25 23:30:05,789 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:30:05,789 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:30:05,789 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:30:05,789 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:30:05,790 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:30:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,844 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:30:05,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:30:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,893 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:30:05,893 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 39 treesize of output 53 [2022-11-25 23:30:05,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:30:05,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:06,000 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:30:06,000 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 258 treesize of output 246 [2022-11-25 23:30:06,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:30:06,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:06,103 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:06,103 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 39 treesize of output 29 [2022-11-25 23:30:06,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:06,141 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:06,141 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 25 treesize of output 25 [2022-11-25 23:30:06,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:06,391 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:06,391 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 25 treesize of output 25 [2022-11-25 23:30:06,397 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:30:07,639 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2560#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:30:07,639 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:30:07,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:30:07,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 7, 7] total 72 [2022-11-25 23:30:07,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047555851] [2022-11-25 23:30:07,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:30:07,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-11-25 23:30:07,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:07,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-11-25 23:30:07,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=4430, Unknown=0, NotChecked=0, Total=6320 [2022-11-25 23:30:07,643 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:11,008 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-11-25 23:30:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-11-25 23:30:11,008 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 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 73 [2022-11-25 23:30:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:11,009 INFO L225 Difference]: With dead ends: 94 [2022-11-25 23:30:11,009 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 23:30:11,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3526 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=5646, Invalid=14946, Unknown=0, NotChecked=0, Total=20592 [2022-11-25 23:30:11,015 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:11,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 53 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:30:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 23:30:11,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2022-11-25 23:30:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2022-11-25 23:30:11,030 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 73 [2022-11-25 23:30:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:11,031 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2022-11-25 23:30:11,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2022-11-25 23:30:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 23:30:11,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:11,032 INFO L195 NwaCegarLoop]: trace histogram [59, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:11,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:30:11,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 23:30:11,238 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:30:11,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:11,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2105543894, now seen corresponding path program 6 times [2022-11-25 23:30:11,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:11,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088997169] [2022-11-25 23:30:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:11,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 23:30:13,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:13,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088997169] [2022-11-25 23:30:13,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088997169] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:30:13,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916336495] [2022-11-25 23:30:13,968 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:30:13,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:30:13,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:30:13,970 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:30:13,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:30:14,188 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:30:14,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:30:14,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:30:14,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:30:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-25 23:30:14,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:30:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-25 23:30:14,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916336495] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:30:14,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [250839823] [2022-11-25 23:30:14,786 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:30:14,786 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:30:14,786 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:30:14,786 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:30:14,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:30:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:14,844 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:30:14,845 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 39 treesize of output 53 [2022-11-25 23:30:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:14,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-25 23:30:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:14,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:30:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:14,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:14,967 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:30:14,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:30:15,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:30:15,119 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:30:15,119 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 24 treesize of output 19 [2022-11-25 23:30:15,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:15,154 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:15,154 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 25 treesize of output 25 [2022-11-25 23:30:15,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:15,330 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:15,331 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 25 treesize of output 25 [2022-11-25 23:30:15,340 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:30:16,341 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3532#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:30:16,342 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:30:16,342 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:30:16,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 7, 7] total 70 [2022-11-25 23:30:16,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391848042] [2022-11-25 23:30:16,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:30:16,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-11-25 23:30:16,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:16,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-11-25 23:30:16,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=4051, Unknown=0, NotChecked=0, Total=6006 [2022-11-25 23:30:16,346 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:18,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:18,752 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2022-11-25 23:30:18,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-25 23:30:18,753 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 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 77 [2022-11-25 23:30:18,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:18,754 INFO L225 Difference]: With dead ends: 106 [2022-11-25 23:30:18,754 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 23:30:18,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=5855, Invalid=13051, Unknown=0, NotChecked=0, Total=18906 [2022-11-25 23:30:18,761 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:18,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:30:18,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 23:30:18,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-25 23:30:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.0375) internal successors, (83), 80 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2022-11-25 23:30:18,780 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 77 [2022-11-25 23:30:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:18,780 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2022-11-25 23:30:18,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2022-11-25 23:30:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 23:30:18,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:18,782 INFO L195 NwaCegarLoop]: trace histogram [60, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:18,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:30:18,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 23:30:18,990 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:30:18,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:18,990 INFO L85 PathProgramCache]: Analyzing trace with hash 716402483, now seen corresponding path program 7 times [2022-11-25 23:30:18,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:18,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722924929] [2022-11-25 23:30:18,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:30:21,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:21,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722924929] [2022-11-25 23:30:21,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722924929] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:30:21,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94752072] [2022-11-25 23:30:21,842 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 23:30:21,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:30:21,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:30:21,843 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:30:21,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 23:30:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:22,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-25 23:30:22,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:30:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:30:22,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:30:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:30:27,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94752072] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:30:27,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [574154865] [2022-11-25 23:30:27,007 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:30:27,007 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:30:27,007 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:30:27,008 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:30:27,008 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:30:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,053 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:30:27,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:30:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,099 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:30:27,099 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 39 treesize of output 53 [2022-11-25 23:30:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:30:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:27,194 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:30:27,194 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 258 treesize of output 246 [2022-11-25 23:30:27,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:30:27,294 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:30:27,294 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 24 treesize of output 19 [2022-11-25 23:30:27,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:27,327 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:27,328 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 25 treesize of output 25 [2022-11-25 23:30:27,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:27,514 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:27,514 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 25 treesize of output 25 [2022-11-25 23:30:27,519 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:30:28,614 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4590#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:30:28,615 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:30:28,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:30:28,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 124 [2022-11-25 23:30:28,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560658263] [2022-11-25 23:30:28,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:30:28,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-11-25 23:30:28,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:28,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-11-25 23:30:28,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-25 23:30:28,620 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:28,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:28,831 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2022-11-25 23:30:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-25 23:30:28,832 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 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 80 [2022-11-25 23:30:28,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:28,833 INFO L225 Difference]: With dead ends: 162 [2022-11-25 23:30:28,833 INFO L226 Difference]: Without dead ends: 143 [2022-11-25 23:30:28,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1524 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-25 23:30:28,836 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:28,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:30:28,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-25 23:30:28,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-25 23:30:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 142 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2022-11-25 23:30:28,867 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 80 [2022-11-25 23:30:28,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:28,867 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2022-11-25 23:30:28,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2022-11-25 23:30:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-25 23:30:28,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:28,870 INFO L195 NwaCegarLoop]: trace histogram [122, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:28,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 23:30:29,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:30:29,076 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:30:29,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash -582645485, now seen corresponding path program 8 times [2022-11-25 23:30:29,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:29,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810192214] [2022-11-25 23:30:29,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:29,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:30:39,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:39,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810192214] [2022-11-25 23:30:39,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810192214] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:30:39,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605101517] [2022-11-25 23:30:39,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:30:39,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:30:39,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:30:39,047 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:30:39,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 23:30:39,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 23:30:39,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:30:39,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-25 23:30:39,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:30:39,297 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 10 treesize of output 8 [2022-11-25 23:30:40,537 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 19 treesize of output 19 [2022-11-25 23:30:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-25 23:30:41,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:30:41,880 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:30:41,881 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 92 treesize of output 88 [2022-11-25 23:30:41,909 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-25 23:30:41,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 94 treesize of output 88 [2022-11-25 23:30:41,940 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:30:41,941 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 24 treesize of output 20 [2022-11-25 23:30:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-25 23:30:43,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605101517] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:30:43,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1103896119] [2022-11-25 23:30:43,938 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:30:43,938 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:30:43,939 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:30:43,939 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:30:43,939 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:30:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:43,988 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:30:43,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:30:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:44,035 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:30:44,036 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 39 treesize of output 53 [2022-11-25 23:30:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:44,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:30:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:30:44,122 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:30:44,122 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 258 treesize of output 246 [2022-11-25 23:30:44,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:30:44,234 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:30:44,234 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 24 treesize of output 19 [2022-11-25 23:30:44,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:44,270 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:44,271 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 25 treesize of output 25 [2022-11-25 23:30:44,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:30:44,443 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:30:44,444 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 25 treesize of output 25 [2022-11-25 23:30:44,449 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:30:46,003 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6158#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:30:46,003 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:30:46,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:30:46,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 10, 10] total 142 [2022-11-25 23:30:46,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155779792] [2022-11-25 23:30:46,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:30:46,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-11-25 23:30:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:46,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-11-25 23:30:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7854, Invalid=14496, Unknown=0, NotChecked=0, Total=22350 [2022-11-25 23:30:46,010 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:58,711 INFO L93 Difference]: Finished difference Result 208 states and 219 transitions. [2022-11-25 23:30:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-11-25 23:30:58,711 INFO L78 Accepts]: Start accepts. Automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 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 142 [2022-11-25 23:30:58,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:58,712 INFO L225 Difference]: With dead ends: 208 [2022-11-25 23:30:58,713 INFO L226 Difference]: Without dead ends: 189 [2022-11-25 23:30:58,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14563 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=24090, Invalid=61466, Unknown=0, NotChecked=0, Total=85556 [2022-11-25 23:30:58,719 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 50 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:58,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 155 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:30:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-25 23:30:58,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2022-11-25 23:30:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.031055900621118) internal successors, (166), 161 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 166 transitions. [2022-11-25 23:30:58,744 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 166 transitions. Word has length 142 [2022-11-25 23:30:58,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:58,744 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 166 transitions. [2022-11-25 23:30:58,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:30:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2022-11-25 23:30:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-25 23:30:58,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:58,746 INFO L195 NwaCegarLoop]: trace histogram [123, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:58,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 23:30:58,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 23:30:58,952 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:30:58,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1531451048, now seen corresponding path program 9 times [2022-11-25 23:30:58,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:58,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422469429] [2022-11-25 23:30:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:31:08,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:08,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422469429] [2022-11-25 23:31:08,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422469429] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:31:08,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436333561] [2022-11-25 23:31:08,631 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:31:08,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:31:08,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:31:08,632 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:31:08,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 23:31:09,013 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:31:09,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:31:09,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-25 23:31:09,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:31:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:31:09,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:31:27,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:31:27,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436333561] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:31:27,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [155062273] [2022-11-25 23:31:27,426 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:31:27,426 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:31:27,426 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:31:27,426 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:31:27,427 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:31:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,477 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:31:27,477 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 39 treesize of output 53 [2022-11-25 23:31:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-25 23:31:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-25 23:31:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:27,578 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-25 23:31:27,578 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 258 treesize of output 246 [2022-11-25 23:31:27,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:31:27,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:27,670 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:31:27,670 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 39 treesize of output 29 [2022-11-25 23:31:27,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:27,704 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:31:27,705 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 25 treesize of output 25 [2022-11-25 23:31:27,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:27,934 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:31:27,934 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 25 treesize of output 25 [2022-11-25 23:31:27,939 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:31:29,423 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8238#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:31:29,424 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:31:29,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:31:29,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 125, 125] total 250 [2022-11-25 23:31:29,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873668031] [2022-11-25 23:31:29,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:31:29,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-11-25 23:31:29,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-11-25 23:31:29,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-25 23:31:29,436 INFO L87 Difference]: Start difference. First operand 162 states and 166 transitions. Second operand has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:30,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:30,181 INFO L93 Difference]: Finished difference Result 324 states and 456 transitions. [2022-11-25 23:31:30,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-11-25 23:31:30,181 INFO L78 Accepts]: Start accepts. Automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 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 147 [2022-11-25 23:31:30,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:30,182 INFO L225 Difference]: With dead ends: 324 [2022-11-25 23:31:30,182 INFO L226 Difference]: Without dead ends: 287 [2022-11-25 23:31:30,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3099 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-25 23:31:30,185 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:30,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:31:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-25 23:31:30,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-11-25 23:31:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.0174825174825175) internal successors, (291), 286 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 291 transitions. [2022-11-25 23:31:30,243 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 291 transitions. Word has length 147 [2022-11-25 23:31:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:30,244 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 291 transitions. [2022-11-25 23:31:30,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:31:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2022-11-25 23:31:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-25 23:31:30,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:30,281 INFO L195 NwaCegarLoop]: trace histogram [248, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:30,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 23:31:30,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 23:31:30,482 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:30,482 INFO L85 PathProgramCache]: Analyzing trace with hash -924104089, now seen corresponding path program 10 times [2022-11-25 23:31:30,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:30,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696710381] [2022-11-25 23:31:30,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:30,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:32:07,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:07,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696710381] [2022-11-25 23:32:07,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696710381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:32:07,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512866605] [2022-11-25 23:32:07,247 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 23:32:07,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:32:07,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:32:07,248 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:32:07,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 23:32:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:07,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 250 conjunts are in the unsatisfiable core [2022-11-25 23:32:07,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:32:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:32:08,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:33:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:33:24,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512866605] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:33:24,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [476201299] [2022-11-25 23:33:24,269 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:33:24,270 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:33:24,270 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:33:24,270 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:33:24,270 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:33:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,339 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:33:24,340 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 39 treesize of output 53 [2022-11-25 23:33:24,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-25 23:33:24,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:33:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:33:24,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:24,474 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:33:24,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:33:24,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:33:24,623 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:33:24,623 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 24 treesize of output 19 [2022-11-25 23:33:24,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:24,663 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:33:24,664 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 25 treesize of output 25 [2022-11-25 23:33:24,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:33:24,848 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:33:24,848 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 25 treesize of output 25 [2022-11-25 23:33:24,856 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:33:27,538 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11520#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:33:27,539 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:33:27,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:33:27,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [250, 250, 250] total 500 [2022-11-25 23:33:27,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632396211] [2022-11-25 23:33:27,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:33:27,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 501 states [2022-11-25 23:33:27,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:27,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 501 interpolants. [2022-11-25 23:33:27,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-25 23:33:27,574 INFO L87 Difference]: Start difference. First operand 287 states and 291 transitions. Second operand has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:33:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:32,189 INFO L93 Difference]: Finished difference Result 574 states and 831 transitions. [2022-11-25 23:33:32,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 500 states. [2022-11-25 23:33:32,190 INFO L78 Accepts]: Start accepts. Automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 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 272 [2022-11-25 23:33:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:32,191 INFO L225 Difference]: With dead ends: 574 [2022-11-25 23:33:32,192 INFO L226 Difference]: Without dead ends: 537 [2022-11-25 23:33:32,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6224 ImplicationChecksByTransitivity, 102.2s TimeCoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-25 23:33:32,208 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:32,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 23:33:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-25 23:33:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2022-11-25 23:33:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.0093283582089552) internal successors, (541), 536 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:33:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 541 transitions. [2022-11-25 23:33:32,278 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 541 transitions. Word has length 272 [2022-11-25 23:33:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:32,278 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 541 transitions. [2022-11-25 23:33:32,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:33:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 541 transitions. [2022-11-25 23:33:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-25 23:33:32,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:32,291 INFO L195 NwaCegarLoop]: trace histogram [498, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:33:32,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-25 23:33:32,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:33:32,502 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:33:32,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash 915031047, now seen corresponding path program 11 times [2022-11-25 23:33:32,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:32,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279227921] [2022-11-25 23:33:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 124251 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:36:14,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:14,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279227921] [2022-11-25 23:36:14,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279227921] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:36:14,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296410826] [2022-11-25 23:36:14,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:36:14,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:36:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:36:14,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:36:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 23:36:15,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-25 23:36:15,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:36:15,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-25 23:36:15,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:36:15,615 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 18 treesize of output 16 [2022-11-25 23:36:21,006 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 19 treesize of output 19 [2022-11-25 23:36:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:21,348 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 31 treesize of output 33 [2022-11-25 23:36:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:21,702 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 31 treesize of output 33 [2022-11-25 23:36:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-25 23:36:23,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:36:28,755 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:36:28,755 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 1086 treesize of output 1022 [2022-11-25 23:36:44,971 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:44,971 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 147 treesize of output 113 [2022-11-25 23:36:44,980 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 348 treesize of output 336 [2022-11-25 23:36:45,172 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,172 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 107 treesize of output 1 [2022-11-25 23:36:45,191 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,192 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 147 treesize of output 1 [2022-11-25 23:36:45,204 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,205 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 107 treesize of output 1 [2022-11-25 23:36:45,218 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,219 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 107 treesize of output 1 [2022-11-25 23:36:45,229 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,230 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 107 treesize of output 1 [2022-11-25 23:36:45,258 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,258 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 107 treesize of output 1 [2022-11-25 23:36:45,275 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,276 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 107 treesize of output 1 [2022-11-25 23:36:45,293 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:36:45,293 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 73 treesize of output 62 [2022-11-25 23:36:45,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,303 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 54 treesize of output 50 [2022-11-25 23:36:45,358 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:36:45,358 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 73 treesize of output 62 [2022-11-25 23:36:45,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,372 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 54 treesize of output 50 [2022-11-25 23:36:45,423 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:36:45,423 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 38 treesize of output 34 [2022-11-25 23:36:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,437 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,452 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:45,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,478 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:36:45,479 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 73 treesize of output 62 [2022-11-25 23:36:45,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,499 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,514 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,529 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,545 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,567 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,582 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,604 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,625 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-25 23:36:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,641 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,656 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-25 23:36:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,672 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,694 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,710 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,731 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,748 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:45,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,763 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:45,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,785 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:45,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,800 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,817 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,834 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:45,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,854 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,869 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,886 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,905 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:45,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,926 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 23:36:45,927 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 147 treesize of output 1 [2022-11-25 23:36:45,943 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:36:45,944 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 73 treesize of output 62 [2022-11-25 23:36:45,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:45,954 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 50 treesize of output 46 [2022-11-25 23:36:45,989 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-25 23:36:45,989 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 38 treesize of output 34 [2022-11-25 23:36:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,003 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,022 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,038 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,053 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,075 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,091 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,110 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-25 23:36:46,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,133 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,150 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:46,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,167 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,183 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,199 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,228 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:46,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,244 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,260 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,277 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,303 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,319 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,336 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,352 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,369 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,393 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,418 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,438 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,463 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,480 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-25 23:36:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,496 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,521 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,544 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,563 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,583 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,614 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,632 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,653 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,670 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,693 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,716 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,733 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,749 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,765 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,789 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,807 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,832 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,850 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,868 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,885 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,902 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,931 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,949 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:46,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,968 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,986 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:46,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:46,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,004 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-25 23:36:47,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,022 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,040 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,057 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-25 23:36:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,075 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,100 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,119 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,136 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,159 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,177 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,195 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,214 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,232 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,257 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,275 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,299 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,319 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,337 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,356 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,411 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,438 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-25 23:36:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,457 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,504 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,530 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,552 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,572 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-25 23:36:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,591 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,610 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,631 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,652 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-25 23:36:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,680 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,701 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-25 23:36:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:47,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:47,785 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:36:47,786 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 1675 treesize of output 1411 [2022-11-25 23:36:52,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,245 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:36:52,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,253 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:36:52,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,269 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:36:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,289 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:36:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,302 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:36:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,310 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:36:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,318 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:36:52,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,326 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:36:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:52,339 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:36:52,366 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-25 23:36:52,367 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 1675 treesize of output 1420 [2022-11-25 23:36:54,073 INFO L321 Elim1Store]: treesize reduction 23, result has 30.3 percent of original size [2022-11-25 23:36:54,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1675 treesize of output 1436 [2022-11-25 23:36:55,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,411 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 978 treesize of output 898 [2022-11-25 23:36:55,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,633 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:36:55,634 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 1 case distinctions, treesize of input 257 treesize of output 1 [2022-11-25 23:36:55,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,653 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:36:55,653 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 176 treesize of output 1 [2022-11-25 23:36:55,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:55,671 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:36:55,672 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 1 case distinctions, treesize of input 257 treesize of output 1 [2022-11-25 23:36:55,703 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-25 23:36:55,704 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 1675 treesize of output 1420 [2022-11-25 23:36:57,050 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:36:57,051 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 978 treesize of output 912 [2022-11-25 23:36:57,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,315 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:36:57,316 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 184 treesize of output 1 [2022-11-25 23:36:57,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,333 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:36:57,333 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 131 treesize of output 113 [2022-11-25 23:36:57,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:57,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:57,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:57,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:57,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:36:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:36:57,417 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:36:57,418 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 1675 treesize of output 1 [2022-11-25 23:36:57,441 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:36:57,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1919 treesize of output 1527 [2022-11-25 23:37:01,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:01,139 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:37:01,139 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 270 treesize of output 1 [2022-11-25 23:37:01,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:01,158 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:01,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:01,210 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-25 23:37:01,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1675 treesize of output 1449 [2022-11-25 23:37:02,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,188 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:37:02,188 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 411 treesize of output 1 [2022-11-25 23:37:02,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,206 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:02,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:02,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,226 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:37:02,226 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 176 treesize of output 1 [2022-11-25 23:37:02,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,236 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 103 treesize of output 95 [2022-11-25 23:37:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,271 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,282 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,312 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,327 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,336 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,370 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,381 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,392 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,401 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,444 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:37:02,445 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 411 treesize of output 1 [2022-11-25 23:37:02,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,506 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,520 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,530 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:02,555 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:02,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1675 treesize of output 1 [2022-11-25 23:37:02,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,592 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 23:37:02,592 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 299 treesize of output 235 [2022-11-25 23:37:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:02,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:02,756 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-25 23:37:02,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1919 treesize of output 1544 [2022-11-25 23:37:06,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,136 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:06,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 427 treesize of output 1 [2022-11-25 23:37:06,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,156 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:06,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 286 treesize of output 1 [2022-11-25 23:37:06,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,171 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,205 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:06,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,219 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:06,258 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-25 23:37:06,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1848 treesize of output 1473 [2022-11-25 23:37:06,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,651 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:06,652 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 38 treesize of output 1 [2022-11-25 23:37:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,666 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:06,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,683 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:06,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 63 treesize of output 1 [2022-11-25 23:37:06,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,700 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:06,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-25 23:37:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,712 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:06,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,733 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:06,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:06,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,784 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:06,785 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 286 treesize of output 1 [2022-11-25 23:37:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,820 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,843 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:06,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,858 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:06,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,907 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,918 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:06,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,929 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,941 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:06,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:06,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,988 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:06,988 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 38 treesize of output 1 [2022-11-25 23:37:06,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:06,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,006 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:07,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-25 23:37:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,021 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,053 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,054 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 92 treesize of output 1 [2022-11-25 23:37:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,082 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:07,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 121 treesize of output 1 [2022-11-25 23:37:07,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,104 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,104 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 63 treesize of output 1 [2022-11-25 23:37:07,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,140 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,255 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,255 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 427 treesize of output 1 [2022-11-25 23:37:07,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,300 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:07,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-25 23:37:07,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,328 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,328 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 96 treesize of output 1 [2022-11-25 23:37:07,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,346 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,346 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 67 treesize of output 1 [2022-11-25 23:37:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,364 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,400 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:07,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 121 treesize of output 1 [2022-11-25 23:37:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,416 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,436 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,448 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,460 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,472 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,485 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,497 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,561 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,561 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 443 treesize of output 1 [2022-11-25 23:37:07,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,590 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,642 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:07,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:07,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,663 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:07,664 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 286 treesize of output 1 [2022-11-25 23:37:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,684 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,730 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,756 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,785 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,811 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,824 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,849 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,862 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,875 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,892 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-25 23:37:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,905 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,918 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,932 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,948 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:07,969 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,031 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:08,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-25 23:37:08,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,056 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:08,057 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 96 treesize of output 1 [2022-11-25 23:37:08,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,077 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:08,078 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 67 treesize of output 1 [2022-11-25 23:37:08,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,098 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:08,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,139 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:08,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 121 treesize of output 1 [2022-11-25 23:37:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,158 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:08,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,184 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:37:08,185 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 176 treesize of output 1 [2022-11-25 23:37:08,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,198 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 54 treesize of output 50 [2022-11-25 23:37:08,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,379 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:08,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 443 treesize of output 1 [2022-11-25 23:37:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,446 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:08,447 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 427 treesize of output 1 [2022-11-25 23:37:08,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,470 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:08,470 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 286 treesize of output 1 [2022-11-25 23:37:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,491 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,579 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:08,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,600 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:08,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,614 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-25 23:37:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,635 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:08,666 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:08,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2372 treesize of output 1 [2022-11-25 23:37:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,748 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 23:37:08,748 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 427 treesize of output 1 [2022-11-25 23:37:08,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,793 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:37:08,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-25 23:37:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,816 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:08,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:08,836 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-25 23:37:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-25 23:37:32,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296410826] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:32,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [909759508] [2022-11-25 23:37:32,510 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:37:32,511 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:37:32,511 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:37:32,511 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:37:32,511 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:37:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:32,557 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-25 23:37:32,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-25 23:37:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:32,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:32,611 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:37:32,611 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 39 treesize of output 53 [2022-11-25 23:37:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:32,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:37:32,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:37:32,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:32,728 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-25 23:37:32,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-25 23:37:32,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:37:32,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:32,863 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:37:32,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-25 23:37:32,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:32,900 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:37:32,900 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 25 treesize of output 25 [2022-11-25 23:37:33,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:37:33,072 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-25 23:37:33,073 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 25 treesize of output 25 [2022-11-25 23:37:33,078 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:37:37,638 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17324#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-25 23:37:37,638 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:37:37,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:37:37,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [500, 12, 12] total 522 [2022-11-25 23:37:37,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626455063] [2022-11-25 23:37:37,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:37:37,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 523 states [2022-11-25 23:37:37,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:37,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 523 interpolants. [2022-11-25 23:37:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125354, Invalid=155015, Unknown=1, NotChecked=0, Total=280370 [2022-11-25 23:37:37,671 INFO L87 Difference]: Start difference. First operand 537 states and 541 transitions. Second operand has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:40:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:22,569 INFO L93 Difference]: Finished difference Result 598 states and 607 transitions. [2022-11-25 23:40:22,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 524 states. [2022-11-25 23:40:22,570 INFO L78 Accepts]: Start accepts. Automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 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 522 [2022-11-25 23:40:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:22,572 INFO L225 Difference]: With dead ends: 598 [2022-11-25 23:40:22,572 INFO L226 Difference]: Without dead ends: 561 [2022-11-25 23:40:22,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2581 GetRequests, 1536 SyntacticMatches, 0 SemanticMatches, 1045 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153699 ImplicationChecksByTransitivity, 272.8s TimeCoverageRelationStatistics Valid=376588, Invalid=718573, Unknown=1, NotChecked=0, Total=1095162 [2022-11-25 23:40:22,646 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 79 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:22,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 142 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:40:22,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-11-25 23:40:22,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 535. [2022-11-25 23:40:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.0074906367041199) internal successors, (538), 534 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:40:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 538 transitions. [2022-11-25 23:40:22,734 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 538 transitions. Word has length 522 [2022-11-25 23:40:22,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:22,734 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 538 transitions. [2022-11-25 23:40:22,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:40:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 538 transitions. [2022-11-25 23:40:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-11-25 23:40:22,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:22,747 INFO L195 NwaCegarLoop]: trace histogram [499, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-25 23:40:22,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 23:40:22,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01961290-aa03-40b6-8b9e-f7955d5f884d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 23:40:22,954 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:40:22,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:22,955 INFO L85 PathProgramCache]: Analyzing trace with hash -748358014, now seen corresponding path program 12 times [2022-11-25 23:40:22,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:22,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444538091] [2022-11-25 23:40:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:22,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat