./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/process_queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-data/process_queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ad9f94c1d10f7bc5f4235ca7c5dc51413b43a0e6c48b9e48da5d2e3e751252c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:13:37,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:13:37,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:13:37,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:13:37,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:13:37,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:13:37,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:13:37,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:13:37,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:13:37,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:13:37,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:13:37,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:13:37,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:13:37,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:13:37,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:13:37,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:13:37,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:13:37,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:13:37,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:13:37,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:13:37,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:13:37,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:13:37,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:13:37,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:13:37,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:13:37,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:13:37,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:13:37,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:13:37,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:13:37,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:13:37,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:13:37,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:13:37,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:13:37,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:13:37,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:13:37,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:13:37,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:13:37,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:13:37,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:13:37,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:13:37,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:13:37,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 09:13:37,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:13:37,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:13:37,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:13:37,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:13:37,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:13:37,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:13:37,323 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:13:37,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:13:37,323 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:13:37,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:13:37,323 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:13:37,324 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:13:37,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:13:37,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:13:37,324 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:13:37,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:13:37,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:13:37,325 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:13:37,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:13:37,325 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:13:37,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:13:37,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:13:37,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:13:37,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:13:37,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:13:37,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:13:37,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:37,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:13:37,328 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:13:37,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:13:37,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:13:37,328 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:13:37,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:13:37,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:13:37,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:13:37,329 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_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad9f94c1d10f7bc5f4235ca7c5dc51413b43a0e6c48b9e48da5d2e3e751252c [2022-12-14 09:13:37,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:13:37,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:13:37,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:13:37,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:13:37,508 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:13:37,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/heap-data/process_queue.i [2022-12-14 09:13:40,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:13:40,409 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:13:40,409 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/sv-benchmarks/c/heap-data/process_queue.i [2022-12-14 09:13:40,416 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/data/2884f8b19/fcdba9d2691946b39e69b553ea716e07/FLAG73a1510cd [2022-12-14 09:13:40,427 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/data/2884f8b19/fcdba9d2691946b39e69b553ea716e07 [2022-12-14 09:13:40,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:13:40,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:13:40,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:40,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:13:40,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:13:40,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca29fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40, skipping insertion in model container [2022-12-14 09:13:40,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:13:40,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:13:40,645 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_3b499c83-fbdf-40af-a15d-f114d3d6f6af/sv-benchmarks/c/heap-data/process_queue.i[23979,23992] [2022-12-14 09:13:40,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:40,658 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:13:40,681 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_3b499c83-fbdf-40af-a15d-f114d3d6f6af/sv-benchmarks/c/heap-data/process_queue.i[23979,23992] [2022-12-14 09:13:40,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:40,699 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:13:40,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40 WrapperNode [2022-12-14 09:13:40,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:40,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:40,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:13:40,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:13:40,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,728 INFO L138 Inliner]: procedures = 127, calls = 32, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 111 [2022-12-14 09:13:40,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:40,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:13:40,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:13:40,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:13:40,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,747 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:13:40,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:13:40,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:13:40,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:13:40,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (1/1) ... [2022-12-14 09:13:40,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:40,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:40,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:13:40,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:13:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:13:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:13:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:13:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:13:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:13:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:13:40,901 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:13:40,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:13:41,075 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:13:41,150 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:13:41,150 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 09:13:41,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:41 BoogieIcfgContainer [2022-12-14 09:13:41,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:13:41,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:13:41,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:13:41,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:13:41,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:13:40" (1/3) ... [2022-12-14 09:13:41,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3307a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:13:41, skipping insertion in model container [2022-12-14 09:13:41,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:40" (2/3) ... [2022-12-14 09:13:41,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3307a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:13:41, skipping insertion in model container [2022-12-14 09:13:41,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:41" (3/3) ... [2022-12-14 09:13:41,161 INFO L112 eAbstractionObserver]: Analyzing ICFG process_queue.i [2022-12-14 09:13:41,179 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:13:41,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:13:41,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:13:41,229 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;@2eecc330, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:13:41,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:13:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:13:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 09:13:41,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:41,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:41,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:41,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:41,242 INFO L85 PathProgramCache]: Analyzing trace with hash -559624500, now seen corresponding path program 1 times [2022-12-14 09:13:41,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:41,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033169021] [2022-12-14 09:13:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:41,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:41,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:41,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033169021] [2022-12-14 09:13:41,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033169021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:13:41,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:13:41,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:13:41,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290921371] [2022-12-14 09:13:41,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:13:41,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:13:41,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:13:41,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:13:41,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:13:41,981 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 13 states have internal predecessors, (20), 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 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2022-12-14 09:13:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:13:42,226 INFO L93 Difference]: Finished difference Result 61 states and 92 transitions. [2022-12-14 09:13:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:13:42,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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 [2022-12-14 09:13:42,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:13:42,234 INFO L225 Difference]: With dead ends: 61 [2022-12-14 09:13:42,234 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 09:13:42,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:13:42,238 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 46 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:13:42,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 48 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:13:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 09:13:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2022-12-14 09:13:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:13:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2022-12-14 09:13:42,263 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 44 transitions. Word has length 8 [2022-12-14 09:13:42,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:13:42,263 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 44 transitions. [2022-12-14 09:13:42,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2022-12-14 09:13:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2022-12-14 09:13:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:13:42,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:42,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:42,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:13:42,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:42,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:42,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2120348200, now seen corresponding path program 1 times [2022-12-14 09:13:42,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:42,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043779112] [2022-12-14 09:13:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:42,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:42,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043779112] [2022-12-14 09:13:42,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043779112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:13:42,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:13:42,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:13:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479150450] [2022-12-14 09:13:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:13:42,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:13:42,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:13:42,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:13:42,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:13:42,311 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2022-12-14 09:13:42,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:13:42,430 INFO L93 Difference]: Finished difference Result 65 states and 91 transitions. [2022-12-14 09:13:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:13:42,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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 [2022-12-14 09:13:42,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:13:42,432 INFO L225 Difference]: With dead ends: 65 [2022-12-14 09:13:42,432 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 09:13:42,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:13:42,433 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:13:42,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:13:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 09:13:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2022-12-14 09:13:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 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) [2022-12-14 09:13:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2022-12-14 09:13:42,439 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 9 [2022-12-14 09:13:42,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:13:42,439 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-12-14 09:13:42,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2022-12-14 09:13:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2022-12-14 09:13:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:13:42,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:42,441 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:42,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:13:42,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:42,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:42,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1293476218, now seen corresponding path program 1 times [2022-12-14 09:13:42,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:42,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409638830] [2022-12-14 09:13:42,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:42,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:42,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:42,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409638830] [2022-12-14 09:13:42,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409638830] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:13:42,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183065090] [2022-12-14 09:13:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:42,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:13:42,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:42,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:13:42,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:13:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:42,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 65 conjunts are in the unsatisfiable core [2022-12-14 09:13:42,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:13:42,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:13:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,074 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 31 treesize of output 26 [2022-12-14 09:13:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2022-12-14 09:13:43,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-12-14 09:13:43,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-12-14 09:13:43,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2022-12-14 09:13:43,111 INFO L321 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-12-14 09:13:43,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 09:13:43,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-12-14 09:13:43,248 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-12-14 09:13:43,248 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 40 [2022-12-14 09:13:43,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 12 [2022-12-14 09:13:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:43,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:13:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:43,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183065090] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:13:43,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214411632] [2022-12-14 09:13:43,440 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 09:13:43,440 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:13:43,443 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:13:43,447 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:13:43,447 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:13:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,511 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:13:43,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:13:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 09:13:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,636 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:13:43,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 43 [2022-12-14 09:13:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,656 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:13:43,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 54 [2022-12-14 09:13:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:13:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,734 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:13:43,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:13:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 09:13:43,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:43,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:13:43,901 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:13:44,528 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '340#(and (<= |ULTIMATE.start_append_to_queue_#in~n#1.offset| 0) (<= 0 |ULTIMATE.start_append_to_queue_#in~n#1.offset|) (<= 0 |ULTIMATE.start_append_to_queue_~n#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~new_id~0#1| 2147483648)) (<= |ULTIMATE.start_append_to_queue_#in~q#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~n#1.offset| 0) (= |ULTIMATE.start_main_~#queue~0#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~q#1.offset| 0) (not (<= 1 (select (select |#memory_int| |ULTIMATE.start_check_queue_~n~0#1.base|) (+ |ULTIMATE.start_check_queue_~n~0#1.offset| 4)))) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.offset|) (or (not (= |ULTIMATE.start_check_queue_~n~0#1.offset| 0)) (not (= |ULTIMATE.start_check_queue_~n~0#1.base| 0))) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.base|) (= 2 |ULTIMATE.start_main_~next_time~0#1|) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.offset|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#queue~0#1.base|) (<= |ULTIMATE.start_main_~new_id~0#1| 2147483647) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~new_process~0#1.offset| 0) (= |#NULL.base| 0))' at error location [2022-12-14 09:13:44,528 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:13:44,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:13:44,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-12-14 09:13:44,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923758026] [2022-12-14 09:13:44,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:13:44,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:13:44,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:13:44,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:13:44,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-12-14 09:13:44,531 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:13:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:13:45,216 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-12-14 09:13:45,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 09:13:45,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 09:13:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:13:45,217 INFO L225 Difference]: With dead ends: 63 [2022-12-14 09:13:45,218 INFO L226 Difference]: Without dead ends: 41 [2022-12-14 09:13:45,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2022-12-14 09:13:45,218 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 69 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:13:45,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 68 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:13:45,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-14 09:13:45,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 28. [2022-12-14 09:13:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 27 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:13:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2022-12-14 09:13:45,223 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 11 [2022-12-14 09:13:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:13:45,223 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2022-12-14 09:13:45,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:13:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-12-14 09:13:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 09:13:45,224 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:45,224 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 09:13:45,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:13:45,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:13:45,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:45,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:45,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2024659842, now seen corresponding path program 1 times [2022-12-14 09:13:45,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:45,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596626137] [2022-12-14 09:13:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:13:45,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:45,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596626137] [2022-12-14 09:13:45,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596626137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:13:45,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:13:45,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:13:45,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83355005] [2022-12-14 09:13:45,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:13:45,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:13:45,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:13:45,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:13:45,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:13:45,562 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-12-14 09:13:45,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:13:45,666 INFO L93 Difference]: Finished difference Result 65 states and 87 transitions. [2022-12-14 09:13:45,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:13:45,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Word has length 13 [2022-12-14 09:13:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:13:45,667 INFO L225 Difference]: With dead ends: 65 [2022-12-14 09:13:45,667 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 09:13:45,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:13:45,668 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:13:45,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 28 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:13:45,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 09:13:45,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2022-12-14 09:13:45,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:13:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2022-12-14 09:13:45,676 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 13 [2022-12-14 09:13:45,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:13:45,677 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2022-12-14 09:13:45,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-12-14 09:13:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-14 09:13:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 09:13:45,678 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:13:45,678 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 09:13:45,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:13:45,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:13:45,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:13:45,679 INFO L85 PathProgramCache]: Analyzing trace with hash -757054060, now seen corresponding path program 1 times [2022-12-14 09:13:45,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:13:45,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561936786] [2022-12-14 09:13:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:45,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:13:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:13:46,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:13:46,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561936786] [2022-12-14 09:13:46,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561936786] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:13:46,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240603286] [2022-12-14 09:13:46,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:13:46,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:13:46,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:46,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:13:46,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:13:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:13:46,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-14 09:13:46,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:13:46,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2022-12-14 09:13:46,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-14 09:13:46,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-14 09:13:46,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:13:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,435 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 18 treesize of output 20 [2022-12-14 09:13:46,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:13:46,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 09:13:46,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-14 09:13:46,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 09:13:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:13:46,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:13:46,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:13:46,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 35 [2022-12-14 09:13:46,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2022-12-14 09:13:46,552 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 9 treesize of output 7 [2022-12-14 09:13:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:13:46,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240603286] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:13:46,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1663647306] [2022-12-14 09:13:46,616 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 09:13:46,616 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:13:46,616 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:13:46,616 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:13:46,617 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:13:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,644 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:13:46,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:13:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 09:13:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:13:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,744 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:13:46,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 43 [2022-12-14 09:13:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,760 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:13:46,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 54 [2022-12-14 09:13:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,790 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 09:13:46,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 09:13:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,825 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:13:46,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:13:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:46,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:13:47,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:13:47,106 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:13:47,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 159 [2022-12-14 09:13:47,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:13:47,208 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:13:47,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 155 [2022-12-14 09:13:47,382 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 09:13:47,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 186 [2022-12-14 09:13:47,620 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 09:13:47,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 149 treesize of output 194 [2022-12-14 09:13:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,741 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:13:47,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 160 [2022-12-14 09:13:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:13:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,866 INFO L321 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2022-12-14 09:13:47,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 190 [2022-12-14 09:13:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:13:47,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:13:47,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:14:02,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:14:02,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:14:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,448 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:02,448 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:14:02,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,503 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:02,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:02,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,537 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:14:02,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:14:02,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:14:02,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:14:02,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,627 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:02,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:02,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:14:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,659 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 19 treesize of output 13 [2022-12-14 09:14:02,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:14:02,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:14:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,906 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:02,906 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:14:02,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,947 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:02,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:02,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:02,975 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:14:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:02,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:14:02,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:14:03,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:14:03,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:03,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:03,045 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:03,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:03,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:03,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:03,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:14:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:03,068 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 19 treesize of output 13 [2022-12-14 09:14:03,252 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:14:03,961 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '728#(and (<= |ULTIMATE.start_append_to_queue_#in~n#1.offset| 0) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_append_to_queue_#in~n#1.offset|) (<= 0 |ULTIMATE.start_append_to_queue_~n#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~new_id~0#1| 2147483648)) (<= 2 |ULTIMATE.start_main_~next_time~0#1|) (<= |ULTIMATE.start_append_to_queue_#in~q#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~n#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~q#1.offset| 0) (not (<= 1 (select (select |#memory_int| |ULTIMATE.start_check_queue_~n~0#1.base|) (+ |ULTIMATE.start_check_queue_~n~0#1.offset| 4)))) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.offset|) (<= 0 |ULTIMATE.start_main_~#queue~0#1.offset|) (<= |ULTIMATE.start_main_~new_process~0#1.offset| 0) (or (not (= |ULTIMATE.start_check_queue_~n~0#1.offset| 0)) (not (= |ULTIMATE.start_check_queue_~n~0#1.base| 0))) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.base|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.offset|) (<= |ULTIMATE.start_main_~next_time~0#1| 1001) (<= |ULTIMATE.start_main_~#queue~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#queue~0#1.base|) (<= |ULTIMATE.start_main_~new_id~0#1| 2147483647) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.base|) (<= 0 |ULTIMATE.start_main_~new_process~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-12-14 09:14:03,961 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:14:03,961 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:14:03,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-12-14 09:14:03,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343394979] [2022-12-14 09:14:03,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:14:03,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 09:14:03,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:03,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 09:14:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=526, Unknown=1, NotChecked=0, Total=600 [2022-12-14 09:14:03,963 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 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) [2022-12-14 09:14:05,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:05,611 INFO L93 Difference]: Finished difference Result 213 states and 283 transitions. [2022-12-14 09:14:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-14 09:14:05,612 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 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) Word has length 16 [2022-12-14 09:14:05,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:05,613 INFO L225 Difference]: With dead ends: 213 [2022-12-14 09:14:05,613 INFO L226 Difference]: Without dead ends: 182 [2022-12-14 09:14:05,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=554, Invalid=2637, Unknown=1, NotChecked=0, Total=3192 [2022-12-14 09:14:05,614 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 319 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:05,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 181 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:14:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-14 09:14:05,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 88. [2022-12-14 09:14:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:14:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2022-12-14 09:14:05,632 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 16 [2022-12-14 09:14:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:05,632 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2022-12-14 09:14:05,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 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) [2022-12-14 09:14:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2022-12-14 09:14:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 09:14:05,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:05,634 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:14:05,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:14:05,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:14:05,835 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:14:05,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:05,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1288297639, now seen corresponding path program 1 times [2022-12-14 09:14:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:05,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365913053] [2022-12-14 09:14:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:05,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:06,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:06,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365913053] [2022-12-14 09:14:06,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365913053] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:14:06,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299766447] [2022-12-14 09:14:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:06,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:14:06,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:14:06,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:14:06,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:14:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:06,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 109 conjunts are in the unsatisfiable core [2022-12-14 09:14:06,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:14:06,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:14:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:06,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-14 09:14:06,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2022-12-14 09:14:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:06,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-14 09:14:06,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:14:06,961 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 09:14:06,962 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 18 treesize of output 28 [2022-12-14 09:14:06,972 INFO L321 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-12-14 09:14:06,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 09:14:06,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:14:07,247 INFO L321 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2022-12-14 09:14:07,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 222 treesize of output 222 [2022-12-14 09:14:07,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 167 [2022-12-14 09:14:07,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 204 [2022-12-14 09:14:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:07,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2022-12-14 09:14:07,431 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-12-14 09:14:07,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 353 treesize of output 353 [2022-12-14 09:14:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:07,451 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:07,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 299 treesize of output 289 [2022-12-14 09:14:07,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 254 [2022-12-14 09:14:07,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 300 [2022-12-14 09:14:07,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 212 [2022-12-14 09:14:07,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 79 [2022-12-14 09:14:07,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2022-12-14 09:14:07,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-12-14 09:14:07,652 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 13 treesize of output 9 [2022-12-14 09:14:07,664 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 9 treesize of output 7 [2022-12-14 09:14:07,672 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 13 treesize of output 9 [2022-12-14 09:14:07,692 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 7 treesize of output 5 [2022-12-14 09:14:07,701 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 24 treesize of output 20 [2022-12-14 09:14:07,705 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 25 treesize of output 15 [2022-12-14 09:14:07,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:14:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:07,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:14:08,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 108 [2022-12-14 09:14:08,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 102 [2022-12-14 09:14:08,536 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:08,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 35 [2022-12-14 09:14:08,545 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 48 [2022-12-14 09:14:08,554 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 55 treesize of output 53 [2022-12-14 09:14:08,561 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 64 treesize of output 62 [2022-12-14 09:14:08,568 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 62 treesize of output 60 [2022-12-14 09:14:08,575 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 57 treesize of output 53 [2022-12-14 09:14:08,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-12-14 09:14:08,591 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 9 treesize of output 7 [2022-12-14 09:14:08,599 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 48 [2022-12-14 09:14:08,607 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 44 treesize of output 42 [2022-12-14 09:14:08,613 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 53 treesize of output 51 [2022-12-14 09:14:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:08,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299766447] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:14:08,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1817306358] [2022-12-14 09:14:08,753 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 09:14:08,753 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:14:08,753 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:14:08,753 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:14:08,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:14:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,777 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:14:08,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:14:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 09:14:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,852 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:14:08,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:14:08,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:14:08,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 09:14:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:14:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 09:14:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:08,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-12-14 09:14:09,158 INFO L321 Elim1Store]: treesize reduction 92, result has 27.6 percent of original size [2022-12-14 09:14:09,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 325 treesize of output 304 [2022-12-14 09:14:09,242 INFO L321 Elim1Store]: treesize reduction 80, result has 27.3 percent of original size [2022-12-14 09:14:09,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 293 treesize of output 267 [2022-12-14 09:14:09,284 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:14:09,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:14:09,329 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:09,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:14:09,343 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 13 treesize of output 9 [2022-12-14 09:14:09,369 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:09,369 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-12-14 09:14:09,408 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 09:14:09,409 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 2 case distinctions, treesize of input 50 treesize of output 33 [2022-12-14 09:14:09,418 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 33 treesize of output 25 [2022-12-14 09:14:09,517 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:09,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 48 [2022-12-14 09:14:09,525 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 25 treesize of output 17 [2022-12-14 09:14:09,542 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:09,542 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 46 treesize of output 56 [2022-12-14 09:14:09,702 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:09,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:14:09,763 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:09,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:14:09,808 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:14:09,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:14:09,875 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:14:09,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 56 [2022-12-14 09:14:09,888 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 36 treesize of output 24 [2022-12-14 09:14:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:09,910 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 36 treesize of output 20 [2022-12-14 09:14:09,921 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 25 treesize of output 17 [2022-12-14 09:14:09,935 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:14:09,936 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 36 treesize of output 20 [2022-12-14 09:14:10,003 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:14:10,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 52 [2022-12-14 09:14:10,014 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 32 treesize of output 26 [2022-12-14 09:14:10,037 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 09:14:10,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2022-12-14 09:14:10,052 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 09:14:10,052 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 32 treesize of output 22 [2022-12-14 09:14:10,258 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:14:10,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 37 [2022-12-14 09:14:10,268 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 9 treesize of output 7 [2022-12-14 09:14:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:10,282 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 17 treesize of output 11 [2022-12-14 09:14:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:10,290 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 22 treesize of output 16 [2022-12-14 09:14:10,348 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 09:14:10,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 13 [2022-12-14 09:14:10,355 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 13 treesize of output 9 [2022-12-14 09:14:10,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:14:10,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:10,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:10,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:10,788 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:10,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 159 [2022-12-14 09:14:10,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:10,850 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:10,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 155 [2022-12-14 09:14:11,023 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 09:14:11,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 186 [2022-12-14 09:14:11,303 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 09:14:11,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 149 treesize of output 194 [2022-12-14 09:14:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,419 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:14:11,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 160 [2022-12-14 09:14:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:11,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,520 INFO L321 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2022-12-14 09:14:11,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 190 [2022-12-14 09:14:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:14:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:11,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:14:23,778 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:14:23,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 210 [2022-12-14 09:14:23,829 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:14:23,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:14:23,854 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:14:23,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:14:23,884 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:23,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 29 [2022-12-14 09:14:23,893 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 9 treesize of output 5 [2022-12-14 09:14:23,907 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:23,907 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 09:14:23,992 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:23,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 43 [2022-12-14 09:14:23,999 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 9 treesize of output 7 [2022-12-14 09:14:24,009 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:24,009 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 40 treesize of output 44 [2022-12-14 09:14:24,035 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:24,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 61 [2022-12-14 09:14:24,043 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 38 treesize of output 26 [2022-12-14 09:14:24,062 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:24,063 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 73 treesize of output 79 [2022-12-14 09:14:24,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:24,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:14:24,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:24,211 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:24,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:14:24,273 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:24,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:14:24,325 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:14:24,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:14:24,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,357 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:24,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:14:24,367 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 13 treesize of output 9 [2022-12-14 09:14:24,381 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:24,381 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-12-14 09:14:24,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,440 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:24,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 44 [2022-12-14 09:14:24,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:14:24,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,456 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 41 treesize of output 25 [2022-12-14 09:14:24,512 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:24,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:14:24,520 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 9 treesize of output 7 [2022-12-14 09:14:24,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,527 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 30 treesize of output 24 [2022-12-14 09:14:24,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,589 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:24,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:24,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:14:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,611 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 19 treesize of output 13 [2022-12-14 09:14:24,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:14:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:14:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,662 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:24,663 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:14:24,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:14:24,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,711 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:24,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:24,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:24,739 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:14:24,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:14:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:24,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:14:24,898 INFO L321 Elim1Store]: treesize reduction 92, result has 27.6 percent of original size [2022-12-14 09:14:24,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 325 treesize of output 304 [2022-12-14 09:14:24,976 INFO L321 Elim1Store]: treesize reduction 80, result has 27.3 percent of original size [2022-12-14 09:14:24,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 293 treesize of output 267 [2022-12-14 09:14:25,007 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:14:25,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:14:25,039 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:25,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 29 [2022-12-14 09:14:25,049 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 9 treesize of output 5 [2022-12-14 09:14:25,064 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:25,064 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 26 treesize of output 28 [2022-12-14 09:14:25,088 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:25,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:14:25,096 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 13 treesize of output 9 [2022-12-14 09:14:25,110 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:25,110 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-12-14 09:14:25,132 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 09:14:25,133 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 2 case distinctions, treesize of input 50 treesize of output 33 [2022-12-14 09:14:25,138 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 33 treesize of output 25 [2022-12-14 09:14:25,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:25,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:25,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:14:25,328 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:25,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:14:25,380 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:25,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:14:25,426 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:14:25,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:14:25,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,461 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:25,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 35 [2022-12-14 09:14:25,471 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 13 treesize of output 9 [2022-12-14 09:14:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,480 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 32 treesize of output 24 [2022-12-14 09:14:25,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,508 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:25,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:14:25,517 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 13 treesize of output 9 [2022-12-14 09:14:25,532 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:25,532 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 30 treesize of output 34 [2022-12-14 09:14:25,661 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:25,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 35 [2022-12-14 09:14:25,669 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 9 treesize of output 7 [2022-12-14 09:14:25,682 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:25,682 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 32 treesize of output 36 [2022-12-14 09:14:25,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:14:25,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,757 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:25,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:25,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:14:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,778 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 19 treesize of output 13 [2022-12-14 09:14:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:14:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,820 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:25,820 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:14:25,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,858 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:25,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:25,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:25,880 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:14:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:25,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:14:25,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:14:25,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:14:26,080 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:14:26,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 269 treesize of output 240 [2022-12-14 09:14:26,148 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:14:26,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:14:26,185 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:14:26,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:14:26,258 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:26,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 48 [2022-12-14 09:14:26,269 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 25 treesize of output 17 [2022-12-14 09:14:26,292 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:26,292 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 46 treesize of output 56 [2022-12-14 09:14:26,357 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:26,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 43 [2022-12-14 09:14:26,367 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 9 treesize of output 7 [2022-12-14 09:14:26,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:26,386 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 40 treesize of output 44 [2022-12-14 09:14:26,426 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:14:26,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 48 [2022-12-14 09:14:26,435 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 25 treesize of output 17 [2022-12-14 09:14:26,452 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:26,452 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 46 treesize of output 56 [2022-12-14 09:14:26,608 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:26,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:14:26,666 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:14:26,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:14:26,722 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:14:26,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:14:26,787 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:14:26,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 52 [2022-12-14 09:14:26,798 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 32 treesize of output 26 [2022-12-14 09:14:26,818 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 09:14:26,818 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 32 treesize of output 22 [2022-12-14 09:14:26,837 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 09:14:26,838 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 32 treesize of output 22 [2022-12-14 09:14:26,887 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:14:26,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 45 [2022-12-14 09:14:26,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-12-14 09:14:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:26,912 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 25 treesize of output 19 [2022-12-14 09:14:27,124 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:14:27,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 45 [2022-12-14 09:14:27,133 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 9 treesize of output 7 [2022-12-14 09:14:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,143 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 25 treesize of output 19 [2022-12-14 09:14:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,151 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 30 treesize of output 24 [2022-12-14 09:14:27,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:27,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:14:27,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:14:27,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:14:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:14:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,249 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:14:27,249 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:14:27,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:14:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,302 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:27,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:27,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:14:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,326 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 19 treesize of output 13 [2022-12-14 09:14:27,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,375 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:14:27,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:14:27,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:27,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:14:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:27,400 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 19 treesize of output 13 [2022-12-14 09:14:27,459 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:14:27,920 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1326#(and (= |ULTIMATE.start_main_~#queue~0#1.offset| 0) (not (<= 1 (select (select |#memory_int| |ULTIMATE.start_check_queue_~n~0#1.base|) (+ |ULTIMATE.start_check_queue_~n~0#1.offset| 4)))) (or (not (= |ULTIMATE.start_check_queue_~n~0#1.offset| 0)) (not (= |ULTIMATE.start_check_queue_~n~0#1.base| 0))) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#queue~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 09:14:27,920 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:14:27,920 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:14:27,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 27 [2022-12-14 09:14:27,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212563227] [2022-12-14 09:14:27,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:14:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-14 09:14:27,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:14:27,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-14 09:14:27,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1044, Unknown=11, NotChecked=0, Total=1190 [2022-12-14 09:14:27,921 INFO L87 Difference]: Start difference. First operand 88 states and 115 transitions. Second operand has 28 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 27 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:14:31,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:14:31,158 INFO L93 Difference]: Finished difference Result 194 states and 261 transitions. [2022-12-14 09:14:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 09:14:31,158 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 27 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 09:14:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:14:31,159 INFO L225 Difference]: With dead ends: 194 [2022-12-14 09:14:31,159 INFO L226 Difference]: Without dead ends: 121 [2022-12-14 09:14:31,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=348, Invalid=2084, Unknown=18, NotChecked=0, Total=2450 [2022-12-14 09:14:31,160 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 168 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 22 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:14:31,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 194 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 416 Invalid, 8 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 09:14:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-12-14 09:14:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 107. [2022-12-14 09:14:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:14:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 144 transitions. [2022-12-14 09:14:31,172 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 144 transitions. Word has length 19 [2022-12-14 09:14:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:14:31,172 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 144 transitions. [2022-12-14 09:14:31,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 27 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:14:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2022-12-14 09:14:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 09:14:31,173 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:14:31,173 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-14 09:14:31,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 09:14:31,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 09:14:31,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:14:31,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:14:31,374 INFO L85 PathProgramCache]: Analyzing trace with hash -520317518, now seen corresponding path program 2 times [2022-12-14 09:14:31,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:14:31,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828448058] [2022-12-14 09:14:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:14:31,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:14:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:14:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:14:32,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:14:32,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828448058] [2022-12-14 09:14:32,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828448058] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:14:32,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817621917] [2022-12-14 09:14:32,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:14:32,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:14:32,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:14:32,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:14:32,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:14:32,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 09:14:32,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:14:32,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 103 conjunts are in the unsatisfiable core [2022-12-14 09:14:32,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:14:32,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2022-12-14 09:14:32,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-14 09:14:32,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-14 09:14:32,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:14:32,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:14:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,375 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 18 treesize of output 20 [2022-12-14 09:14:32,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-12-14 09:14:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,496 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 29 treesize of output 24 [2022-12-14 09:14:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,504 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 51 treesize of output 42 [2022-12-14 09:14:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-14 09:14:32,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 09:14:32,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:14:32,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 09:14:32,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 09:14:32,544 INFO L321 Elim1Store]: treesize reduction 4, result has 80.0 percent of original size [2022-12-14 09:14:32,544 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2022-12-14 09:14:32,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,652 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:32,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 51 [2022-12-14 09:14:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:14:32,659 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 09:14:32,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 09:14:32,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 09:14:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:14:32,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:14:32,757 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_614 (Array Int Int)) (v_ArrVal_624 (Array Int Int)) (v_ArrVal_615 (Array Int Int)) (v_ArrVal_618 (Array Int Int)) (v_ArrVal_629 Int) (v_ArrVal_619 (Array Int Int)) (v_ArrVal_621 (Array Int Int))) (or (not (< v_ArrVal_629 |c_#StackHeapBarrier|)) (not (= (select |c_#valid| v_ArrVal_629) 0)) (< 0 (select (select (store (store |c_#memory_int| v_ArrVal_629 v_ArrVal_618) |c_ULTIMATE.start_main_~#queue~0#1.base| v_ArrVal_621) (select (select (store (store |c_#memory_$Pointer$.base| v_ArrVal_629 (store v_ArrVal_624 8 (select (select (store |c_#memory_$Pointer$.base| v_ArrVal_629 v_ArrVal_624) |c_ULTIMATE.start_main_~#queue~0#1.base|) |c_ULTIMATE.start_main_~#queue~0#1.offset|))) |c_ULTIMATE.start_main_~#queue~0#1.base| (store (select (store |c_#memory_$Pointer$.base| v_ArrVal_629 v_ArrVal_615) |c_ULTIMATE.start_main_~#queue~0#1.base|) |c_ULTIMATE.start_main_~#queue~0#1.offset| v_ArrVal_629)) v_ArrVal_629) 8)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| v_ArrVal_629 (store v_ArrVal_614 8 (select (select (store |c_#memory_$Pointer$.offset| v_ArrVal_629 v_ArrVal_614) |c_ULTIMATE.start_main_~#queue~0#1.base|) |c_ULTIMATE.start_main_~#queue~0#1.offset|))) |c_ULTIMATE.start_main_~#queue~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_629 v_ArrVal_619) |c_ULTIMATE.start_main_~#queue~0#1.base|) |c_ULTIMATE.start_main_~#queue~0#1.offset| 0)) v_ArrVal_629) 8) 4))))) is different from false [2022-12-14 09:14:32,862 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:32,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 172 treesize of output 183 [2022-12-14 09:14:32,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:32,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 499 treesize of output 497 [2022-12-14 09:14:32,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:32,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 860 treesize of output 850 [2022-12-14 09:14:32,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:14:38,145 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 973 DAG size of output: 373 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:14:38,147 INFO L321 Elim1Store]: treesize reduction 4920, result has 23.1 percent of original size [2022-12-14 09:14:38,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 25 select indices, 25 select index equivalence classes, 0 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 300 case distinctions, treesize of input 10842 treesize of output 11673 [2022-12-14 09:14:38,487 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 11545 treesize of output 10885 [2022-12-14 09:14:39,514 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 13752 treesize of output 13580 [2022-12-14 09:14:40,453 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:40,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 13060 treesize of output 12612 [2022-12-14 09:14:41,084 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:41,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 12484 treesize of output 11396 [2022-12-14 09:14:41,681 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:14:41,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11268 treesize of output 11076 [2022-12-14 09:14:42,197 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 10922 treesize of output 10572 [2022-12-14 09:14:43,462 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 10942 treesize of output 10742 [2022-12-14 09:14:44,681 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 937 treesize of output 863 [2022-12-14 09:14:45,801 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 556 treesize of output 466 [2022-12-14 09:14:46,391 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 1017 treesize of output 927 [2022-12-14 09:14:47,524 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 2242 treesize of output 1872 [2022-12-14 09:14:48,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 09:15:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 11 not checked. [2022-12-14 09:15:30,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817621917] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:15:30,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2084744581] [2022-12-14 09:15:30,577 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 09:15:30,578 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:15:30,578 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:15:30,578 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:15:30,578 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:15:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,593 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 09:15:30,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 09:15:30,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,608 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:15:30,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:15:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,656 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:15:30,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:15:30,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 09:15:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-12-14 09:15:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:15:30,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 09:15:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:30,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:15:30,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:30,934 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:30,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 159 [2022-12-14 09:15:30,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:31,003 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:31,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 155 [2022-12-14 09:15:31,231 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 09:15:31,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 155 treesize of output 200 [2022-12-14 09:15:31,422 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 09:15:31,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:15:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,532 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:15:31,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 160 [2022-12-14 09:15:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:31,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,635 INFO L321 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2022-12-14 09:15:31,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 190 [2022-12-14 09:15:31,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:15:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:31,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:15:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,055 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:15:45,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:15:45,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:15:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,075 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 19 treesize of output 13 [2022-12-14 09:15:45,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:15:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,115 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:45,115 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:15:45,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,152 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:15:45,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:15:45,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:15:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,171 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 19 treesize of output 13 [2022-12-14 09:15:45,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:15:45,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:15:45,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,423 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:15:45,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:15:45,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:15:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,452 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 19 treesize of output 13 [2022-12-14 09:15:45,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:15:45,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:15:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:15:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,505 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:45,505 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:15:45,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,545 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:15:45,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:15:45,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:45,571 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:15:45,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:15:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:45,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:15:45,762 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:15:46,554 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1891#(and (<= |ULTIMATE.start_append_to_queue_#in~n#1.offset| 0) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_append_to_queue_#in~n#1.offset|) (<= 0 |ULTIMATE.start_append_to_queue_~n#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~new_id~0#1| 2147483648)) (<= 2 |ULTIMATE.start_main_~next_time~0#1|) (<= |ULTIMATE.start_append_to_queue_#in~q#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~n#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~q#1.offset| 0) (not (<= 1 (select (select |#memory_int| |ULTIMATE.start_check_queue_~n~0#1.base|) (+ |ULTIMATE.start_check_queue_~n~0#1.offset| 4)))) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.offset|) (<= 0 |ULTIMATE.start_main_~#queue~0#1.offset|) (<= |ULTIMATE.start_main_~new_process~0#1.offset| 0) (or (not (= |ULTIMATE.start_check_queue_~n~0#1.offset| 0)) (not (= |ULTIMATE.start_check_queue_~n~0#1.base| 0))) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.base|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.offset|) (<= |ULTIMATE.start_main_~next_time~0#1| 1001) (<= |ULTIMATE.start_main_~#queue~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#queue~0#1.base|) (<= |ULTIMATE.start_main_~new_id~0#1| 2147483647) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.base|) (<= 0 |ULTIMATE.start_main_~new_process~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-12-14 09:15:46,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:15:46,554 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:15:46,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2022-12-14 09:15:46,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891432696] [2022-12-14 09:15:46,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:15:46,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 09:15:46,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:15:46,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 09:15:46,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=626, Unknown=6, NotChecked=50, Total=756 [2022-12-14 09:15:46,556 INFO L87 Difference]: Start difference. First operand 107 states and 144 transitions. Second operand has 20 states, 20 states have (on average 2.7) internal successors, (54), 19 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:15:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:15:49,562 INFO L93 Difference]: Finished difference Result 316 states and 423 transitions. [2022-12-14 09:15:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 09:15:49,563 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 19 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 09:15:49,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:15:49,564 INFO L225 Difference]: With dead ends: 316 [2022-12-14 09:15:49,564 INFO L226 Difference]: Without dead ends: 314 [2022-12-14 09:15:49,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=455, Invalid=2405, Unknown=6, NotChecked=104, Total=2970 [2022-12-14 09:15:49,565 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 349 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:15:49,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 144 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 357 Invalid, 0 Unknown, 51 Unchecked, 1.0s Time] [2022-12-14 09:15:49,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-12-14 09:15:49,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 201. [2022-12-14 09:15:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.355) internal successors, (271), 200 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:15:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 271 transitions. [2022-12-14 09:15:49,594 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 271 transitions. Word has length 19 [2022-12-14 09:15:49,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:15:49,595 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 271 transitions. [2022-12-14 09:15:49,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 19 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:15:49,595 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 271 transitions. [2022-12-14 09:15:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 09:15:49,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:15:49,596 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:15:49,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 09:15:49,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:15:49,798 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:15:49,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:15:49,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1047264458, now seen corresponding path program 2 times [2022-12-14 09:15:49,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:15:49,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144462710] [2022-12-14 09:15:49,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:15:49,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:15:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:15:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:15:50,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:15:50,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144462710] [2022-12-14 09:15:50,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144462710] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:15:50,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235611691] [2022-12-14 09:15:50,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:15:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:15:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:15:50,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:15:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:15:50,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 09:15:50,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:15:50,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 89 conjunts are in the unsatisfiable core [2022-12-14 09:15:50,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:15:50,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:15:50,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2022-12-14 09:15:50,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:50,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:50,677 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 29 treesize of output 24 [2022-12-14 09:15:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:50,682 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 29 treesize of output 24 [2022-12-14 09:15:50,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 09:15:50,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 09:15:50,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2022-12-14 09:15:50,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 09:15:50,706 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-12-14 09:15:50,706 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 18 treesize of output 28 [2022-12-14 09:15:50,716 INFO L321 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-12-14 09:15:50,716 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-14 09:15:50,875 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-12-14 09:15:50,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 206 treesize of output 212 [2022-12-14 09:15:50,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 194 [2022-12-14 09:15:50,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 138 [2022-12-14 09:15:50,942 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:50,943 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 467 treesize of output 451 [2022-12-14 09:15:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:50,963 INFO L321 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2022-12-14 09:15:50,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 153 [2022-12-14 09:15:50,972 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 70 treesize of output 60 [2022-12-14 09:15:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:51,014 INFO L321 Elim1Store]: treesize reduction 85, result has 39.3 percent of original size [2022-12-14 09:15:51,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 151 [2022-12-14 09:15:51,105 INFO L321 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2022-12-14 09:15:51,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 29 [2022-12-14 09:15:51,112 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:51,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-12-14 09:15:51,116 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 94 treesize of output 76 [2022-12-14 09:15:51,119 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 93 treesize of output 75 [2022-12-14 09:15:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:51,132 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:15:51,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1911 treesize of output 1623 [2022-12-14 09:15:51,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:15:51,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:15:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:15:51,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:15:51,353 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 7 treesize of output 3 [2022-12-14 09:15:51,354 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-14 09:15:51,358 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (= |c_ULTIMATE.start_choose_next_~prev~0#1.base| 0)) (.cse4 (= |c_ULTIMATE.start_choose_next_~prev~0#1.offset| 0))) (let ((.cse1 (and .cse5 .cse4)) (.cse2 (not .cse5)) (.cse0 (+ |c_ULTIMATE.start_choose_next_~node~0#1.offset| 8)) (.cse3 (not .cse4))) (and (or (forall ((v_ArrVal_803 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_choose_next_~prev~0#1.base| v_ArrVal_803) |c_ULTIMATE.start_choose_next_~node~0#1.base|) .cse0) 0)) .cse1) (or (forall ((v_ArrVal_796 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_choose_next_~prev~0#1.base| v_ArrVal_796) |c_ULTIMATE.start_choose_next_~node~0#1.base|) .cse0) 0)) .cse1) (or .cse2 (forall ((v_ArrVal_801 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_choose_next_~q#1.base| v_ArrVal_801) |c_ULTIMATE.start_choose_next_~node~0#1.base|) .cse0) 0)) .cse3) (or .cse2 (forall ((v_ArrVal_799 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_choose_next_~q#1.base| v_ArrVal_799) |c_ULTIMATE.start_choose_next_~node~0#1.base|) .cse0) 0)) .cse3) (= (select (select |c_#memory_int| |c_ULTIMATE.start_choose_next_~node~0#1.base|) (+ |c_ULTIMATE.start_choose_next_~node~0#1.offset| 4)) 1)))) is different from false [2022-12-14 09:15:51,463 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:51,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 82 [2022-12-14 09:15:51,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2022-12-14 09:15:51,469 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 65 treesize of output 63 [2022-12-14 09:15:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2022-12-14 09:15:54,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235611691] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:15:54,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [607825919] [2022-12-14 09:15:54,950 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 09:15:54,950 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:15:54,950 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:15:54,950 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:15:54,950 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:15:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:54,968 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:15:54,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:15:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:54,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 09:15:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:15:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:15:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,068 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:15:55,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:15:55,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 09:15:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-12-14 09:15:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:55,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 09:15:55,357 INFO L321 Elim1Store]: treesize reduction 92, result has 27.6 percent of original size [2022-12-14 09:15:55,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 325 treesize of output 304 [2022-12-14 09:15:55,440 INFO L321 Elim1Store]: treesize reduction 80, result has 27.3 percent of original size [2022-12-14 09:15:55,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 293 treesize of output 267 [2022-12-14 09:15:55,478 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:15:55,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:15:55,511 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:55,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 29 [2022-12-14 09:15:55,522 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 9 treesize of output 5 [2022-12-14 09:15:55,540 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:55,541 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 26 treesize of output 28 [2022-12-14 09:15:55,572 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:55,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 29 [2022-12-14 09:15:55,583 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 9 treesize of output 5 [2022-12-14 09:15:55,597 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:55,598 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 26 treesize of output 28 [2022-12-14 09:15:55,641 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:55,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 43 [2022-12-14 09:15:55,650 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 9 treesize of output 7 [2022-12-14 09:15:55,666 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:55,666 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 44 [2022-12-14 09:15:55,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:15:55,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:15:55,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:15:55,888 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:15:55,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:15:55,950 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:15:55,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:15:56,009 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:15:56,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:15:56,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:56,055 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:56,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 44 [2022-12-14 09:15:56,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:15:56,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,078 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 41 treesize of output 25 [2022-12-14 09:15:56,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:56,134 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:56,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 44 [2022-12-14 09:15:56,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:15:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,155 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 41 treesize of output 25 [2022-12-14 09:15:56,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:56,244 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:56,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 09:15:56,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 09:15:56,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,262 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 22 treesize of output 16 [2022-12-14 09:15:56,277 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:15:56,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:56,389 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:56,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 159 [2022-12-14 09:15:56,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:56,443 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:56,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 155 [2022-12-14 09:15:56,671 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 09:15:56,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 155 treesize of output 200 [2022-12-14 09:15:56,848 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 09:15:56,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:15:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,968 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:15:56,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 160 [2022-12-14 09:15:56,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:56,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,086 INFO L321 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2022-12-14 09:15:57,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 190 [2022-12-14 09:15:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2022-12-14 09:15:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 24 [2022-12-14 09:15:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:57,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:15:58,525 INFO L321 Elim1Store]: treesize reduction 92, result has 27.6 percent of original size [2022-12-14 09:15:58,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 325 treesize of output 304 [2022-12-14 09:15:58,598 INFO L321 Elim1Store]: treesize reduction 80, result has 27.3 percent of original size [2022-12-14 09:15:58,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 299 treesize of output 269 [2022-12-14 09:15:58,641 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:15:58,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:15:58,680 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:58,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 31 [2022-12-14 09:15:58,691 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 9 treesize of output 7 [2022-12-14 09:15:58,703 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:58,703 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 28 treesize of output 28 [2022-12-14 09:15:58,757 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:58,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 43 [2022-12-14 09:15:58,765 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 9 treesize of output 7 [2022-12-14 09:15:58,777 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:58,777 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 40 treesize of output 44 [2022-12-14 09:15:58,826 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:15:58,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 61 [2022-12-14 09:15:58,832 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 38 treesize of output 26 [2022-12-14 09:15:58,846 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:58,846 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 73 treesize of output 79 [2022-12-14 09:15:58,991 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:15:58,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:15:59,048 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:15:59,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:15:59,094 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:15:59,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:15:59,163 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:15:59,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 47 [2022-12-14 09:15:59,176 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 13 treesize of output 9 [2022-12-14 09:15:59,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,188 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 27 treesize of output 19 [2022-12-14 09:15:59,256 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:15:59,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 56 [2022-12-14 09:15:59,267 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 36 treesize of output 24 [2022-12-14 09:15:59,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:15:59,290 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:15:59,290 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 36 treesize of output 20 [2022-12-14 09:15:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,301 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 36 treesize of output 20 [2022-12-14 09:15:59,422 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:15:59,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 45 [2022-12-14 09:15:59,430 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 9 treesize of output 7 [2022-12-14 09:15:59,443 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:59,444 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 30 treesize of output 32 [2022-12-14 09:15:59,461 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:15:59,461 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 25 treesize of output 27 [2022-12-14 09:15:59,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:15:59,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:15:59,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:15:59,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:15:59,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,626 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:15:59,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:15:59,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:15:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,646 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 19 treesize of output 13 [2022-12-14 09:15:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:15:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,698 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:15:59,699 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:15:59,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,741 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:15:59,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:15:59,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:15:59,772 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:15:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:15:59,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:15:59,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:15:59,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:15:59,981 INFO L321 Elim1Store]: treesize reduction 80, result has 27.3 percent of original size [2022-12-14 09:15:59,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 257 treesize of output 239 [2022-12-14 09:16:00,037 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:16:00,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:16:00,068 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:16:00,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:16:00,122 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:00,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 29 [2022-12-14 09:16:00,131 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 9 treesize of output 5 [2022-12-14 09:16:00,144 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:00,145 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 26 treesize of output 28 [2022-12-14 09:16:00,171 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:00,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 50 [2022-12-14 09:16:00,180 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 27 treesize of output 19 [2022-12-14 09:16:00,200 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:00,201 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 48 treesize of output 58 [2022-12-14 09:16:00,261 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 09:16:00,261 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 2 case distinctions, treesize of input 50 treesize of output 33 [2022-12-14 09:16:00,267 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 33 treesize of output 25 [2022-12-14 09:16:00,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:16:00,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:16:00,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:16:00,453 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:16:00,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:16:00,518 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:16:00,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:16:00,567 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:16:00,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:16:00,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,614 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:00,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 44 [2022-12-14 09:16:00,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:16:00,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,634 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 41 treesize of output 25 [2022-12-14 09:16:00,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,666 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:00,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 33 [2022-12-14 09:16:00,675 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 13 treesize of output 9 [2022-12-14 09:16:00,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:00,691 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 30 treesize of output 34 [2022-12-14 09:16:00,803 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:00,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 35 [2022-12-14 09:16:00,810 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 9 treesize of output 7 [2022-12-14 09:16:00,818 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:00,819 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 32 treesize of output 36 [2022-12-14 09:16:00,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,872 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:16:00,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:16:00,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:16:00,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,892 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 19 treesize of output 13 [2022-12-14 09:16:00,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,939 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:16:00,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:16:00,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:00,960 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:16:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:16:00,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:16:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:00,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:16:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:01,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:01,012 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:16:01,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:16:01,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:16:01,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:16:01,184 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:16:01,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 210 [2022-12-14 09:16:01,232 INFO L321 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2022-12-14 09:16:01,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:16:01,268 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-12-14 09:16:01,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 119 [2022-12-14 09:16:01,312 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:01,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 31 [2022-12-14 09:16:01,323 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 9 treesize of output 7 [2022-12-14 09:16:01,336 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:01,336 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2022-12-14 09:16:01,385 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:01,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 43 [2022-12-14 09:16:01,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-12-14 09:16:01,402 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:01,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 44 [2022-12-14 09:16:01,460 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 09:16:01,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 50 [2022-12-14 09:16:01,468 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 27 treesize of output 19 [2022-12-14 09:16:01,484 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:01,485 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 48 treesize of output 58 [2022-12-14 09:16:01,627 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:16:01,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 154 [2022-12-14 09:16:01,688 INFO L321 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-12-14 09:16:01,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 124 [2022-12-14 09:16:01,746 INFO L321 Elim1Store]: treesize reduction 50, result has 43.8 percent of original size [2022-12-14 09:16:01,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 129 [2022-12-14 09:16:01,814 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:16:01,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 56 [2022-12-14 09:16:01,824 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 36 treesize of output 24 [2022-12-14 09:16:01,845 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:16:01,845 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 36 treesize of output 20 [2022-12-14 09:16:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:01,856 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 36 treesize of output 20 [2022-12-14 09:16:01,915 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:16:01,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 56 [2022-12-14 09:16:01,926 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 36 treesize of output 24 [2022-12-14 09:16:01,935 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 25 treesize of output 17 [2022-12-14 09:16:01,947 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 09:16:01,947 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 36 treesize of output 20 [2022-12-14 09:16:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:01,956 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 36 treesize of output 20 [2022-12-14 09:16:02,105 INFO L321 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-12-14 09:16:02,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 45 [2022-12-14 09:16:02,112 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 9 treesize of output 7 [2022-12-14 09:16:02,124 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:02,125 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 25 treesize of output 27 [2022-12-14 09:16:02,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,134 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 30 treesize of output 24 [2022-12-14 09:16:02,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-12-14 09:16:02,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:16:02,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:16:02,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:16:02,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,221 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:16:02,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:16:02,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:16:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,240 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 19 treesize of output 13 [2022-12-14 09:16:02,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:16:02,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,290 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:16:02,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:16:02,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,309 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:16:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:16:02,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:16:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:16:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:16:02,360 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:16:02,360 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:16:02,400 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:16:02,747 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2765#(and (= |ULTIMATE.start_main_~#queue~0#1.offset| 0) (not (<= 1 (select (select |#memory_int| |ULTIMATE.start_check_queue_~n~0#1.base|) (+ |ULTIMATE.start_check_queue_~n~0#1.offset| 4)))) (or (not (= |ULTIMATE.start_check_queue_~n~0#1.offset| 0)) (not (= |ULTIMATE.start_check_queue_~n~0#1.base| 0))) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#queue~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 09:16:02,747 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:16:02,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:16:02,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2022-12-14 09:16:02,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660679309] [2022-12-14 09:16:02,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:16:02,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 09:16:02,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:16:02,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 09:16:02,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=4, NotChecked=34, Total=380 [2022-12-14 09:16:02,749 INFO L87 Difference]: Start difference. First operand 201 states and 271 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:16:03,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:16:03,163 INFO L93 Difference]: Finished difference Result 286 states and 388 transitions. [2022-12-14 09:16:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:16:03,164 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-14 09:16:03,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:16:03,165 INFO L225 Difference]: With dead ends: 286 [2022-12-14 09:16:03,165 INFO L226 Difference]: Without dead ends: 203 [2022-12-14 09:16:03,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=4, NotChecked=38, Total=462 [2022-12-14 09:16:03,166 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:16:03,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 137 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 1 Unknown, 32 Unchecked, 0.3s Time] [2022-12-14 09:16:03,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-12-14 09:16:03,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2022-12-14 09:16:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.35) internal successors, (270), 200 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:16:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 270 transitions. [2022-12-14 09:16:03,185 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 270 transitions. Word has length 20 [2022-12-14 09:16:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:16:03,186 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 270 transitions. [2022-12-14 09:16:03,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:16:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 270 transitions. [2022-12-14 09:16:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 09:16:03,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:16:03,186 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-14 09:16:03,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 09:16:03,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:16:03,388 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:16:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:16:03,389 INFO L85 PathProgramCache]: Analyzing trace with hash -238294828, now seen corresponding path program 3 times [2022-12-14 09:16:03,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:16:03,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090602022] [2022-12-14 09:16:03,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:16:03,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:16:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:16:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:16:04,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:16:04,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090602022] [2022-12-14 09:16:04,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090602022] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:16:04,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510829920] [2022-12-14 09:16:04,241 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 09:16:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:16:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:16:04,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:16:04,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 09:16:04,355 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 09:16:04,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:16:04,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 126 conjunts are in the unsatisfiable core [2022-12-14 09:16:04,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:16:04,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:16:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-12-14 09:16:04,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-12-14 09:16:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-12-14 09:16:04,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:16:04,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 09:16:04,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 09:16:04,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:16:04,442 INFO L321 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2022-12-14 09:16:04,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2022-12-14 09:16:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2022-12-14 09:16:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,660 INFO L321 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2022-12-14 09:16:04,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 66 [2022-12-14 09:16:04,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 40 [2022-12-14 09:16:04,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-12-14 09:16:04,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 09:16:04,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2022-12-14 09:16:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,698 INFO L321 Elim1Store]: treesize reduction 4, result has 84.6 percent of original size [2022-12-14 09:16:04,698 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 34 treesize of output 32 [2022-12-14 09:16:04,930 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 09:16:04,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 198 treesize of output 79 [2022-12-14 09:16:04,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:16:04,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 17 [2022-12-14 09:16:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:16:04,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:16:13,703 INFO L321 Elim1Store]: treesize reduction 15, result has 67.4 percent of original size [2022-12-14 09:16:13,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 1390 treesize of output 1200 [2022-12-14 09:16:14,290 INFO L321 Elim1Store]: treesize reduction 15, result has 67.4 percent of original size [2022-12-14 09:16:14,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 2120 treesize of output 1600 [2022-12-14 09:16:14,642 INFO L321 Elim1Store]: treesize reduction 292, result has 36.1 percent of original size [2022-12-14 09:16:14,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141460 treesize of output 134196 [2022-12-14 09:16:15,533 INFO L321 Elim1Store]: treesize reduction 208, result has 50.6 percent of original size [2022-12-14 09:16:15,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 280843 treesize of output 279535 [2022-12-14 09:16:19,337 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:19,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 283776 treesize of output 282749 [2022-12-14 09:16:25,127 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 286637 treesize of output 285805 [2022-12-14 09:16:27,172 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:27,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 315217 treesize of output 308606 [2022-12-14 09:16:36,484 WARN L233 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 2748 DAG size of output: 2742 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 09:16:37,122 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-12-14 09:16:37,575 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:16:37,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 323376 treesize of output 318009 [2022-12-14 09:16:54,306 WARN L233 SmtUtils]: Spent 16.72s on a formula simplification. DAG size of input: 2847 DAG size of output: 2843 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 09:16:54,796 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 315123 treesize of output 313393 [2022-12-14 09:16:57,152 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 326298 treesize of output 316498 [2022-12-14 09:17:17,587 WARN L233 SmtUtils]: Spent 20.43s on a formula simplification. DAG size of input: 2845 DAG size of output: 2841 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 09:17:18,717 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:17:18,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 312254 treesize of output 310268 [2022-12-14 09:17:24,417 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:17:24,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 317267 treesize of output 314937 [2022-12-14 09:17:36,380 WARN L233 SmtUtils]: Spent 11.96s on a formula simplification. DAG size of input: 2976 DAG size of output: 2972 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 09:17:43,710 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:17:43,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2022-12-14 09:20:15,490 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:20:15,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2022-12-14 09:20:15,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2022-12-14 09:20:15,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2022-12-14 09:20:16,699 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:20:16,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 339 treesize of output 451 [2022-12-14 09:20:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:20:43,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510829920] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:20:43,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [279487240] [2022-12-14 09:20:43,212 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 09:20:43,213 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:20:43,213 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:20:43,213 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:20:43,213 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:20:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,231 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 09:20:43,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 09:20:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,250 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 09:20:43,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-12-14 09:20:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,298 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 09:20:43,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 09:20:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:20:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,352 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 09:20:43,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 09:20:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 36 [2022-12-14 09:20:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 39 [2022-12-14 09:20:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:43,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-12-14 09:20:43,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:20:43,593 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:20:43,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 159 [2022-12-14 09:20:43,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:20:43,656 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:20:43,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 155 [2022-12-14 09:20:43,989 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-14 09:20:43,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 155 treesize of output 200 [2022-12-14 09:20:44,216 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-12-14 09:20:44,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 144 treesize of output 180 [2022-12-14 09:20:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,353 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:20:44,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 160 [2022-12-14 09:20:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:20:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,484 INFO L321 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2022-12-14 09:20:44,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 190 [2022-12-14 09:20:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:20:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:20:44,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 33 [2022-12-14 09:21:00,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,442 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:21:00,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:21:00,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 19 [2022-12-14 09:21:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,468 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 19 treesize of output 13 [2022-12-14 09:21:00,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:21:00,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,535 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:21:00,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:21:00,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,562 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:21:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:21:00,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:21:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:21:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,623 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:21:00,624 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:21:00,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:21:00,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:21:00,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,863 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:21:00,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:21:00,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,889 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:21:00,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:21:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:21:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2022-12-14 09:21:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,957 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-12-14 09:21:00,957 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 1 case distinctions, treesize of input 43 treesize of output 34 [2022-12-14 09:21:00,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:00,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:00,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:01,007 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:21:01,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 122 [2022-12-14 09:21:01,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:01,036 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 39 [2022-12-14 09:21:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:01,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2022-12-14 09:21:01,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:21:01,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:21:01,235 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:21:02,568 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3575#(and (<= |ULTIMATE.start_append_to_queue_#in~n#1.offset| 0) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_append_to_queue_#in~n#1.offset|) (<= 0 |ULTIMATE.start_append_to_queue_~n#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~new_id~0#1| 2147483648)) (<= 2 |ULTIMATE.start_main_~next_time~0#1|) (<= |ULTIMATE.start_append_to_queue_#in~q#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~n#1.offset| 0) (<= |ULTIMATE.start_append_to_queue_~q#1.offset| 0) (not (<= 1 (select (select |#memory_int| |ULTIMATE.start_check_queue_~n~0#1.base|) (+ |ULTIMATE.start_check_queue_~n~0#1.offset| 4)))) (<= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.offset|) (<= 0 |ULTIMATE.start_main_~#queue~0#1.offset|) (<= |ULTIMATE.start_main_~new_process~0#1.offset| 0) (or (not (= |ULTIMATE.start_check_queue_~n~0#1.offset| 0)) (not (= |ULTIMATE.start_check_queue_~n~0#1.base| 0))) (<= 0 |ULTIMATE.start_append_to_queue_#in~q#1.base|) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.offset|) (<= |ULTIMATE.start_main_~next_time~0#1| 1001) (<= |ULTIMATE.start_main_~#queue~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#queue~0#1.base|) (<= |ULTIMATE.start_main_~new_id~0#1| 2147483647) (<= 0 |ULTIMATE.start_append_to_queue_~q#1.base|) (<= 0 |ULTIMATE.start_main_~new_process~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-12-14 09:21:02,569 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:21:02,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:21:02,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 24 [2022-12-14 09:21:02,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638280471] [2022-12-14 09:21:02,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:21:02,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 09:21:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 09:21:02,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=943, Unknown=4, NotChecked=0, Total=1056 [2022-12-14 09:21:02,570 INFO L87 Difference]: Start difference. First operand 201 states and 270 transitions. Second operand has 25 states, 25 states have (on average 2.4) internal successors, (60), 24 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:21:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:17,987 INFO L93 Difference]: Finished difference Result 755 states and 1002 transitions. [2022-12-14 09:21:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 09:21:17,988 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 24 states have internal predecessors, (60), 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 22 [2022-12-14 09:21:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:17,989 INFO L225 Difference]: With dead ends: 755 [2022-12-14 09:21:17,989 INFO L226 Difference]: Without dead ends: 578 [2022-12-14 09:21:17,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=438, Invalid=2637, Unknown=5, NotChecked=0, Total=3080 [2022-12-14 09:21:17,990 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 252 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:17,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 252 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 09:21:17,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-12-14 09:21:18,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 397. [2022-12-14 09:21:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.303030303030303) internal successors, (516), 396 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:21:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 516 transitions. [2022-12-14 09:21:18,042 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 516 transitions. Word has length 22 [2022-12-14 09:21:18,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:18,042 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 516 transitions. [2022-12-14 09:21:18,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 24 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:21:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 516 transitions. [2022-12-14 09:21:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 09:21:18,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:18,042 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:21:18,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-14 09:21:18,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:18,244 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:21:18,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:18,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1642432657, now seen corresponding path program 3 times [2022-12-14 09:21:18,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:18,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177941105] [2022-12-14 09:21:18,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:21:18,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:18,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177941105] [2022-12-14 09:21:18,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177941105] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:21:18,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149546080] [2022-12-14 09:21:18,979 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 09:21:18,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:18,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:18,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:21:18,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b499c83-fbdf-40af-a15d-f114d3d6f6af/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 09:21:19,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 09:21:19,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:21:19,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-14 09:21:19,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:21:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:19,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:19,295 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 29 treesize of output 24 [2022-12-14 09:21:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:19,309 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 29 treesize of output 24 [2022-12-14 09:21:19,369 INFO L321 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2022-12-14 09:21:19,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 34 [2022-12-14 09:21:19,453 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-14 09:21:19,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 38 [2022-12-14 09:21:19,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 09:21:19,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 09:21:20,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:21:20,068 INFO L321 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2022-12-14 09:21:20,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 42 [2022-12-14 09:21:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:20,092 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 09:21:20,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 09:21:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:21:20,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:21:20,578 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1144 Int)) (or (forall ((|v_ULTIMATE.start_append_to_queue_~q#1.offset_19| Int) (v_ArrVal_1131 (Array Int Int))) (let ((.cse0 (select (store (select (store |c_#memory_$Pointer$.base| v_ArrVal_1144 (store v_ArrVal_1131 8 (select (select (store |c_#memory_$Pointer$.base| v_ArrVal_1144 v_ArrVal_1131) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19|))) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| v_ArrVal_1144) |c_ULTIMATE.start_main_~#queue~0#1.offset|))) (or (= .cse0 0) (forall ((v_ArrVal_1138 (Array Int Int)) (v_ArrVal_1133 (Array Int Int))) (= (let ((.cse1 (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 v_ArrVal_1133) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| 0))) (select (select (store (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 (store v_ArrVal_1138 8 (select (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 v_ArrVal_1138) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19|))) |c_ULTIMATE.start_main_~#queue~0#1.base| .cse1) .cse0) (+ (select .cse1 |c_ULTIMATE.start_main_~#queue~0#1.offset|) 8))) 0))))) (not (< v_ArrVal_1144 |c_#StackHeapBarrier|)))) (forall ((v_ArrVal_1144 Int)) (or (forall ((|v_ULTIMATE.start_append_to_queue_~q#1.offset_19| Int) (v_ArrVal_1133 (Array Int Int))) (let ((.cse2 (select (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 v_ArrVal_1133) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| 0) |c_ULTIMATE.start_main_~#queue~0#1.offset|))) (or (= .cse2 0) (forall ((v_ArrVal_1131 (Array Int Int))) (= (select (let ((.cse3 (store |c_#memory_$Pointer$.base| v_ArrVal_1144 (store v_ArrVal_1131 8 (select (select (store |c_#memory_$Pointer$.base| v_ArrVal_1144 v_ArrVal_1131) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19|))))) (let ((.cse4 (store (select .cse3 |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| v_ArrVal_1144))) (select (store .cse3 |c_ULTIMATE.start_main_~#queue~0#1.base| .cse4) (select .cse4 |c_ULTIMATE.start_main_~#queue~0#1.offset|)))) (+ .cse2 8)) 0))))) (not (< v_ArrVal_1144 |c_#StackHeapBarrier|)))) (forall ((v_ArrVal_1144 Int)) (or (forall ((|v_ULTIMATE.start_append_to_queue_~q#1.offset_19| Int) (v_ArrVal_1131 (Array Int Int))) (let ((.cse6 (store |c_#memory_$Pointer$.base| v_ArrVal_1144 (store v_ArrVal_1131 8 (select (select (store |c_#memory_$Pointer$.base| v_ArrVal_1144 v_ArrVal_1131) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19|))))) (let ((.cse7 (store (select .cse6 |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| v_ArrVal_1144))) (let ((.cse5 (select .cse7 |c_ULTIMATE.start_main_~#queue~0#1.offset|))) (or (= .cse5 0) (forall ((v_ArrVal_1133 (Array Int Int))) (= (select (select (store .cse6 |c_ULTIMATE.start_main_~#queue~0#1.base| .cse7) .cse5) (+ (select (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 v_ArrVal_1133) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| 0) |c_ULTIMATE.start_main_~#queue~0#1.offset|) 8)) 0))))))) (not (< v_ArrVal_1144 |c_#StackHeapBarrier|)))) (forall ((v_ArrVal_1144 Int)) (or (forall ((|v_ULTIMATE.start_append_to_queue_~q#1.offset_19| Int) (v_ArrVal_1133 (Array Int Int))) (let ((.cse9 (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 v_ArrVal_1133) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| 0))) (let ((.cse8 (select .cse9 |c_ULTIMATE.start_main_~#queue~0#1.offset|))) (or (= .cse8 0) (forall ((v_ArrVal_1138 (Array Int Int)) (v_ArrVal_1131 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 (store v_ArrVal_1138 8 (select (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1144 v_ArrVal_1138) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19|))) |c_ULTIMATE.start_main_~#queue~0#1.base| .cse9) (select (store (select (store |c_#memory_$Pointer$.base| v_ArrVal_1144 (store v_ArrVal_1131 8 (select (select (store |c_#memory_$Pointer$.base| v_ArrVal_1144 v_ArrVal_1131) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19|))) |c_ULTIMATE.start_main_~#queue~0#1.base|) |v_ULTIMATE.start_append_to_queue_~q#1.offset_19| v_ArrVal_1144) |c_ULTIMATE.start_main_~#queue~0#1.offset|)) (+ .cse8 8)) 0)))))) (not (< v_ArrVal_1144 |c_#StackHeapBarrier|))))) is different from false [2022-12-14 09:21:31,491 WARN L233 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:21:32,454 INFO L321 Elim1Store]: treesize reduction 52, result has 82.0 percent of original size [2022-12-14 09:21:32,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 2639 treesize of output 2638 [2022-12-14 09:21:33,482 INFO L321 Elim1Store]: treesize reduction 92, result has 80.4 percent of original size [2022-12-14 09:21:33,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 8454 treesize of output 8202 [2022-12-14 09:21:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:33,645 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:33,646 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 7899 treesize of output 7805 [2022-12-14 09:21:33,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:33,875 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 8499 treesize of output 8305 [2022-12-14 09:21:34,313 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:34,314 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 10203 treesize of output 10013 [2022-12-14 09:21:34,739 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 9297 treesize of output 9259 [2022-12-14 09:21:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:35,292 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:35,293 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 11506 treesize of output 11344 [2022-12-14 09:21:35,809 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 10277 treesize of output 10229 [2022-12-14 09:21:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:36,304 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:36,306 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 14809 treesize of output 14471 [2022-12-14 09:21:37,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:37,209 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 14688 treesize of output 14448 [2022-12-14 09:21:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:38,180 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:38,181 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 13010 treesize of output 12925 [2022-12-14 09:21:38,781 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:21:38,782 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 13778 treesize of output 13534 [2022-12-14 09:22:44,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:26:32,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:26:32,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:26:32,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:26:32,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:26:33,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:26:34,032 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:26:34,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 503 treesize of output 573 [2022-12-14 09:27:15,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:27:15,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:27:15,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:27:15,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4