./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:11:44,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:11:44,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:11:44,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:11:44,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:11:44,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:11:44,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:11:44,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:11:44,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:11:44,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:11:44,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:11:44,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:11:44,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:11:44,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:11:44,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:11:44,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:11:44,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:11:44,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:11:44,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:11:44,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:11:44,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:11:44,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:11:44,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:11:44,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:11:44,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:11:44,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:11:44,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:11:44,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:11:44,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:11:44,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:11:44,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:11:44,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:11:44,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:11:44,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:11:44,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:11:44,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:11:44,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:11:44,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:11:44,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:11:44,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:11:44,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:11:44,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 01:11:44,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:11:44,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:11:44,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:11:44,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:11:44,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:11:44,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:11:44,661 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:11:44,661 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:11:44,661 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:11:44,661 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:11:44,662 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:11:44,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:11:44,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:11:44,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:11:44,663 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:11:44,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:11:44,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:11:44,664 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:11:44,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:11:44,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:11:44,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:11:44,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:11:44,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:11:44,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:11:44,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:11:44,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:11:44,667 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:11:44,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:11:44,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:11:44,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:11:44,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:11:44,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:11:44,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:11:44,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:11:44,669 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:11:44,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:11:44,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:11:44,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:11:44,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:11:44,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:11:44,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:11:44,671 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_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c [2022-11-26 01:11:44,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:11:45,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:11:45,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:11:45,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:11:45,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:11:45,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2022-11-26 01:11:48,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:11:48,466 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:11:48,466 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2022-11-26 01:11:48,494 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/data/ced691d20/0769bd51ba824e1cb3e50039d912527b/FLAGb698a1d88 [2022-11-26 01:11:48,520 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/data/ced691d20/0769bd51ba824e1cb3e50039d912527b [2022-11-26 01:11:48,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:11:48,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:11:48,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:11:48,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:11:48,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:11:48,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:11:48" (1/1) ... [2022-11-26 01:11:48,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3596ced3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:48, skipping insertion in model container [2022-11-26 01:11:48,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:11:48" (1/1) ... [2022-11-26 01:11:48,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:11:48,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:11:49,013 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_9e7163d4-c3b3-440b-992d-521d4fc901c5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2022-11-26 01:11:49,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:11:49,181 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:11:49,216 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_9e7163d4-c3b3-440b-992d-521d4fc901c5/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2022-11-26 01:11:49,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:11:49,337 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:11:49,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49 WrapperNode [2022-11-26 01:11:49,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:11:49,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:11:49,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:11:49,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:11:49,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,454 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-26 01:11:49,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:11:49,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:11:49,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:11:49,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:11:49,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:11:49,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:11:49,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:11:49,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:11:49,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (1/1) ... [2022-11-26 01:11:49,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:11:49,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:11:49,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:11:49,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:11:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:11:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 01:11:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 01:11:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:11:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 01:11:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 01:11:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:11:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:11:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:11:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:11:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:11:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:11:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:11:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:11:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:11:50,061 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:11:50,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:11:51,826 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:11:52,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:11:52,387 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-26 01:11:52,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:11:52 BoogieIcfgContainer [2022-11-26 01:11:52,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:11:52,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:11:52,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:11:52,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:11:52,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:11:48" (1/3) ... [2022-11-26 01:11:52,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c847d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:11:52, skipping insertion in model container [2022-11-26 01:11:52,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:11:49" (2/3) ... [2022-11-26 01:11:52,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c847d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:11:52, skipping insertion in model container [2022-11-26 01:11:52,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:11:52" (3/3) ... [2022-11-26 01:11:52,404 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-2.i [2022-11-26 01:11:52,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:11:52,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:11:52,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:11:52,503 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;@b75d32d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:11:52,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:11:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 01:11:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:11:52,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:11:52,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:11:52,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:11:52,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:11:52,529 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-26 01:11:52,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:11:52,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358082209] [2022-11-26 01:11:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:52,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:11:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:11:52,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:11:52,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358082209] [2022-11-26 01:11:52,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358082209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:11:52,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:11:52,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:11:52,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42423130] [2022-11-26 01:11:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:11:52,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:11:52,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:11:52,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:11:52,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:11:52,798 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:11:54,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:11:54,297 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-26 01:11:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:11:54,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 01:11:54,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:11:54,313 INFO L225 Difference]: With dead ends: 375 [2022-11-26 01:11:54,313 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 01:11:54,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:11:54,320 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:11:54,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 01:11:54,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 01:11:54,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 01:11:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 01:11:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 01:11:54,373 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 01:11:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:11:54,373 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 01:11:54,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:11:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 01:11:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 01:11:54,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:11:54,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:11:54,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:11:54,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:11:54,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:11:54,378 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-26 01:11:54,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:11:54,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325963429] [2022-11-26 01:11:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:54,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:11:54,717 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:11:54,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231056387] [2022-11-26 01:11:54,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:11:54,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:11:54,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:11:54,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:11:54,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:11:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:56,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:11:56,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:11:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:11:56,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:11:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:11:56,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:11:56,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325963429] [2022-11-26 01:11:56,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:11:56,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231056387] [2022-11-26 01:11:56,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231056387] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:11:56,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [595603535] [2022-11-26 01:11:56,382 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 01:11:56,383 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:11:56,387 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:11:56,392 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:11:56,393 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:11:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:56,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 01:11:56,594 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:11:56,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 01:11:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:56,619 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 22 treesize of output 7 [2022-11-26 01:11:56,634 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 [2022-11-26 01:11:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:56,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:11:56,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 01:11:57,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:11:57,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:11:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 01:11:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 01:11:57,363 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 01:11:57,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-26 01:11:57,408 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:11:57,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 01:11:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,428 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 22 treesize of output 7 [2022-11-26 01:11:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:11:57,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 01:11:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,466 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 22 treesize of output 7 [2022-11-26 01:11:57,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:11:57,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:11:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:57,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 01:11:58,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:11:58,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-26 01:11:58,126 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:12:06,128 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:12:13,597 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:12:13,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [595603535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:12:13,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 01:12:13,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 01:12:13,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489735237] [2022-11-26 01:12:13,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:12:13,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:12:13,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:12:13,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:12:13,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 01:12:13,608 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:12:16,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:12:18,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:12:20,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:12:23,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:12:23,082 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 01:12:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 01:12:23,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-26 01:12:23,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:12:23,086 INFO L225 Difference]: With dead ends: 265 [2022-11-26 01:12:23,086 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 01:12:23,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 01:12:23,089 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:12:23,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-26 01:12:23,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 01:12:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 01:12:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-26 01:12:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 01:12:23,111 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 01:12:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:12:23,111 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 01:12:23,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:12:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 01:12:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 01:12:23,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:12:23,114 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:12:23,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 01:12:23,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:12:23,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:12:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:12:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-26 01:12:23,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:12:23,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519820261] [2022-11-26 01:12:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:12:23,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:12:23,547 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:12:23,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184757647] [2022-11-26 01:12:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:12:23,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:12:23,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:12:23,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:12:23,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:12:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:12:24,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:12:24,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:12:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:12:24,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:12:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 01:12:24,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:12:24,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519820261] [2022-11-26 01:12:24,982 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:12:24,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184757647] [2022-11-26 01:12:24,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184757647] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:12:24,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [954389526] [2022-11-26 01:12:24,989 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 01:12:24,989 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:12:24,990 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:12:24,990 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:12:24,990 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:12:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 01:12:25,150 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 01:12:25,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-26 01:12:25,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:25,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,181 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:12:25,182 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 01:12:25,230 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:12:25,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 01:12:25,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,250 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 22 treesize of output 7 [2022-11-26 01:12:25,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 01:12:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 01:12:25,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:12:25,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:12:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:12:25,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:12:25,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:12:25,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:12:25,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:12:25,954 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 01:12:25,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-26 01:12:26,033 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 01:12:26,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 01:12:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:12:26,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:12:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,454 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:12:26,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-26 01:12:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 01:12:26,521 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:12:26,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 01:12:26,535 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 [2022-11-26 01:12:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,552 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 22 treesize of output 7 [2022-11-26 01:12:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 01:12:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 01:12:27,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:12:27,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:12:27,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:12:27,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:12:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:12:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:12:27,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:12:27,368 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 01:12:27,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 01:12:27,385 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 28 treesize of output 36 [2022-11-26 01:12:27,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:12:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:12:27,852 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 01:12:27,963 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:12:34,161 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:12:41,672 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:12:52,277 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:13:05,169 WARN L233 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:13:18,086 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:13:18,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [954389526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:13:18,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 01:13:18,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 01:13:18,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455937061] [2022-11-26 01:13:18,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:13:18,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 01:13:18,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:13:18,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 01:13:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 01:13:18,620 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:13:21,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:23,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:25,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:27,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:29,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:31,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:33,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:35,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:37,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:41,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 01:13:44,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:46,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:47,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:13:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:13:48,040 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 01:13:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:13:48,040 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-26 01:13:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:13:48,042 INFO L225 Difference]: With dead ends: 267 [2022-11-26 01:13:48,042 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 01:13:48,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.7s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 01:13:48,044 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:13:48,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 452 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 9 Unknown, 0 Unchecked, 29.4s Time] [2022-11-26 01:13:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 01:13:48,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 01:13:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-26 01:13:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 01:13:48,075 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 01:13:48,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:13:48,075 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 01:13:48,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:13:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 01:13:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 01:13:48,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:13:48,078 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:13:48,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:13:48,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:13:48,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:13:48,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:13:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-26 01:13:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:13:48,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245375077] [2022-11-26 01:13:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:13:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:13:48,449 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:13:48,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064056050] [2022-11-26 01:13:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:13:48,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:13:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:13:48,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:13:48,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7163d4-c3b3-440b-992d-521d4fc901c5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:13:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:13:49,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:13:49,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:13:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 01:13:49,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:13:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 01:13:49,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:13:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245375077] [2022-11-26 01:13:49,896 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:13:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064056050] [2022-11-26 01:13:49,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064056050] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:13:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2059369798] [2022-11-26 01:13:49,900 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 01:13:49,900 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:13:49,900 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:13:49,901 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:13:49,901 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:13:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:49,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 01:13:50,007 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 01:13:50,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-26 01:13:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,022 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 22 treesize of output 7 [2022-11-26 01:13:50,030 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 [2022-11-26 01:13:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:13:50,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-26 01:13:50,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:13:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-26 01:13:50,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 01:13:50,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 01:13:50,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:13:50,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 01:13:50,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:13:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:13:50,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:13:50,702 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 01:13:50,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-26 01:13:50,716 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 28 treesize of output 36 [2022-11-26 01:13:50,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 01:13:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:50,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-26 01:13:50,973 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 14 treesize of output 10 [2022-11-26 01:13:50,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 01:13:50,983 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 14 treesize of output 10 [2022-11-26 01:13:51,001 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 64 treesize of output 63 [2022-11-26 01:13:51,009 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 64 treesize of output 63 [2022-11-26 01:13:51,017 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 66 treesize of output 65 [2022-11-26 01:13:51,038 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 14 treesize of output 10 [2022-11-26 01:13:51,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 01:13:51,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 01:13:51,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 01:13:51,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 01:13:51,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 01:13:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:51,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-26 01:13:51,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 01:13:51,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 01:13:52,075 INFO L217 Elim1Store]: Index analysis took 410 ms [2022-11-26 01:13:54,693 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 01:13:54,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-26 01:13:55,560 INFO L217 Elim1Store]: Index analysis took 591 ms [2022-11-26 01:13:58,373 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 01:13:58,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-26 01:14:08,817 WARN L233 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:14:08,817 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 01:14:08,817 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 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 01:14:09,023 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-26 01:14:22,041 WARN L233 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:14:22,041 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 01:14:22,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-26 01:14:22,839 INFO L217 Elim1Store]: Index analysis took 603 ms [2022-11-26 01:14:39,101 WARN L233 SmtUtils]: Spent 15.84s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:14:39,102 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 01:14:39,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 01:14:40,864 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 01:14:40,865 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 91 treesize of output 73 [2022-11-26 01:14:40,956 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 [2022-11-26 01:14:41,227 INFO L217 Elim1Store]: Index analysis took 179 ms [2022-11-26 01:14:42,107 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:14:42,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 01:14:48,673 INFO L217 Elim1Store]: Index analysis took 712 ms