./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/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_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/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_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/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 b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- 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 00:07:37,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:07:37,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:07:37,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:07:37,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:07:37,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:07:37,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:07:37,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:07:37,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:07:37,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:07:37,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:07:37,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:07:37,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:07:37,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:07:37,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:07:37,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:07:37,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:07:37,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:07:37,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:07:37,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:07:37,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:07:37,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:07:37,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:07:37,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:07:37,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:07:37,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:07:37,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:07:37,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:07:37,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:07:37,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:07:37,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:07:37,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:07:37,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:07:37,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:07:37,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:07:37,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:07:37,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:07:37,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:07:37,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:07:37,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:07:37,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:07:37,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:07:37,624 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:07:37,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:07:37,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:07:37,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:07:37,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:07:37,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:07:37,630 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:07:37,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:07:37,631 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:07:37,631 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:07:37,632 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:07:37,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:07:37,632 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:07:37,633 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:07:37,633 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:07:37,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:07:37,633 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:07:37,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:07:37,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:07:37,635 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:07:37,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:07:37,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:07:37,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:07:37,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:07:37,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:07:37,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:07:37,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:07:37,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:07:37,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:07:37,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:07:37,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:07:37,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:07:37,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:07:37,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:07:37,639 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:07:37,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:07:37,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:07:37,639 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:07:37,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:07:37,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:07:37,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:07:37,640 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_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2022-11-26 00:07:37,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:07:37,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:07:37,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:07:37,945 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:07:37,946 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:07:37,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2022-11-26 00:07:40,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:07:41,316 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:07:41,317 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2022-11-26 00:07:41,342 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/data/de2bc74ab/745540ca188442f986d963178d31df38/FLAG05913de02 [2022-11-26 00:07:41,356 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/data/de2bc74ab/745540ca188442f986d963178d31df38 [2022-11-26 00:07:41,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:07:41,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:07:41,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:41,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:07:41,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:07:41,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:41" (1/1) ... [2022-11-26 00:07:41,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57875986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:41, skipping insertion in model container [2022-11-26 00:07:41,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:41" (1/1) ... [2022-11-26 00:07:41,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:07:41,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:07:41,795 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_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2022-11-26 00:07:41,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:07:41,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:07:41,997 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_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i[33021,33034] [2022-11-26 00:07:42,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:07:42,158 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:07:42,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42 WrapperNode [2022-11-26 00:07:42,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:42,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:07:42,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:07:42,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:07:42,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,308 INFO L138 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1145 [2022-11-26 00:07:42,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:07:42,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:07:42,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:07:42,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:07:42,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:07:42,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:07:42,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:07:42,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:07:42,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (1/1) ... [2022-11-26 00:07:42,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:07:42,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:42,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:07:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:07:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:07:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:07:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:07:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:07:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:07:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:07:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:07:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:07:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:07:42,838 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:07:42,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:07:45,122 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:07:45,638 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:07:45,638 INFO L300 CfgBuilder]: Removed 60 assume(true) statements. [2022-11-26 00:07:45,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:07:45 BoogieIcfgContainer [2022-11-26 00:07:45,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:07:45,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:07:45,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:07:45,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:07:45,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:07:41" (1/3) ... [2022-11-26 00:07:45,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4675dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:07:45, skipping insertion in model container [2022-11-26 00:07:45,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:42" (2/3) ... [2022-11-26 00:07:45,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4675dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:07:45, skipping insertion in model container [2022-11-26 00:07:45,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:07:45" (3/3) ... [2022-11-26 00:07:45,652 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-1.i [2022-11-26 00:07:45,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:07:45,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:07:45,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:07:45,752 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;@1758e379, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:07:45,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:07:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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 00:07:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:07:45,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:45,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:45,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:07:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1318725013, now seen corresponding path program 1 times [2022-11-26 00:07:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:45,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688037739] [2022-11-26 00:07:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:45,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:45,985 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 00:07:45,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:45,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688037739] [2022-11-26 00:07:45,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688037739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:45,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:45,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:07:45,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047039129] [2022-11-26 00:07:45,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:45,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:07:45,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:46,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:07:46,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:07:46,031 INFO L87 Difference]: Start difference. First operand has 127 states, 107 states have (on average 1.794392523364486) internal successors, (192), 118 states have internal predecessors, (192), 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 00:07:48,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:51,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:53,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:53,076 INFO L93 Difference]: Finished difference Result 347 states and 628 transitions. [2022-11-26 00:07:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:07:53,085 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 00:07:53,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:53,096 INFO L225 Difference]: With dead ends: 347 [2022-11-26 00:07:53,096 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:07:53,100 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 00:07:53,103 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:53,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 310 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-26 00:07:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:07:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:07:53,186 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 00:07:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:07:53,200 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:07:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:53,202 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:07:53,202 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 00:07:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:07:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:07:53,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:53,208 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 00:07:53,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:07:53,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:07:53,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:53,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1742694732, now seen corresponding path program 1 times [2022-11-26 00:07:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:53,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085498102] [2022-11-26 00:07:53,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:53,557 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:07:53,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708714621] [2022-11-26 00:07:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:53,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:53,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:53,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:07:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:54,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:07:54,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:55,109 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 00:07:55,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:55,209 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 00:07:55,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:55,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085498102] [2022-11-26 00:07:55,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:07:55,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708714621] [2022-11-26 00:07:55,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708714621] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:55,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [207975329] [2022-11-26 00:07:55,232 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:07:55,232 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:55,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:55,243 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:55,243 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,394 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 00:07:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,422 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:07:55,423 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 00:07:55,471 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:07:55,471 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 00:07:55,486 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 00:07:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,506 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 00:07:55,935 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 00:07:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:55,996 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 00:07:56,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,050 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 00:07:56,092 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 00:07:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:56,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,150 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:07:56,150 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 00:07:56,189 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:07:56,192 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 00:07:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,215 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 00:07:56,262 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:07:56,263 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 00:07:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,284 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 00:07:56,712 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 00:07:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,763 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 00:07:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:56,810 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 00:07:56,849 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 00:07:56,883 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:08:04,901 WARN L233 SmtUtils]: Spent 5.03s 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 00:08:12,651 WARN L233 SmtUtils]: Spent 5.54s 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 00:08:12,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [207975329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:12,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:08:12,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:08:12,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623787379] [2022-11-26 00:08:12,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:12,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:08:12,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:12,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:08:12,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:08:12,661 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 00:08:17,198 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 00:08:19,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:21,365 WARN L539 Checker$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 00:08:25,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:08:26,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:27,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:28,822 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:08:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:08:28,823 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 00:08:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:28,825 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:08:28,825 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:08:28,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:08:28,827 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:28,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 466 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-11-26 00:08:28,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:08:28,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:08:28,845 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 00:08:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:08:28,847 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:08:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:28,847 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:08:28,848 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 00:08:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:08:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:08:28,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:28,850 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 00:08:28,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:08:29,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:08:29,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:08:29,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:29,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1270953821, now seen corresponding path program 1 times [2022-11-26 00:08:29,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:29,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786096919] [2022-11-26 00:08:29,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:29,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:29,243 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:08:29,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524288035] [2022-11-26 00:08:29,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:29,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:08:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:08:29,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:08:29,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:08:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:30,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:08:30,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:08:30,494 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 00:08:30,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:08:30,610 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 00:08:30,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:30,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786096919] [2022-11-26 00:08:30,611 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:08:30,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524288035] [2022-11-26 00:08:30,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524288035] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:08:30,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1276399932] [2022-11-26 00:08:30,615 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:08:30,615 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:08:30,615 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:08:30,615 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:08:30,616 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:08:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:30,709 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 00:08:30,759 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:08:30,760 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 00:08:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:30,778 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 00:08:30,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:08:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:30,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:30,800 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 00:08:31,124 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 00:08:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,169 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 00:08:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,216 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 00:08:31,254 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 00:08:31,284 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 00:08:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,341 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 00:08:31,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,398 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 00:08:31,427 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 00:08:31,473 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 00:08:31,546 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:08:31,546 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 00:08:31,563 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 00:08:31,589 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 00:08:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,651 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 00:08:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:31,969 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 00:08:32,012 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:08:32,012 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 00:08:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,030 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 00:08:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:08:32,041 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 00:08:32,051 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 00:08:32,423 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 00:08:32,438 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 00:08:32,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,485 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 00:08:32,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,527 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 00:08:32,581 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 00:08:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,639 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 00:08:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,687 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 00:08:32,715 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 00:08:32,790 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 00:08:32,858 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:08:32,859 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 00:08:32,874 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 00:08:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:32,923 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 00:08:32,960 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 00:08:33,323 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:08:33,424 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:08:47,136 WARN L233 SmtUtils]: Spent 5.86s 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 00:08:56,606 WARN L233 SmtUtils]: Spent 5.35s 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 00:09:08,557 WARN L233 SmtUtils]: Spent 5.81s 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 00:09:21,107 WARN L233 SmtUtils]: Spent 6.37s 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 00:09:21,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1276399932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:21,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:09:21,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:09:21,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416298978] [2022-11-26 00:09:21,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:21,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:09:21,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:21,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:09:21,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:09:21,616 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 00:09:24,073 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 00:09:26,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:28,356 WARN L539 Checker$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 00:09:30,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:32,467 WARN L539 Checker$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 00:09:34,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:36,525 WARN L539 Checker$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 00:09:38,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:40,560 WARN L539 Checker$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 00:09:43,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:09:48,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:09:50,531 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 [] [2022-11-26 00:09:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:50,548 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:09:50,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:09:50,549 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 00:09:50,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:50,550 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:09:50,550 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:09:50,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 48.2s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:09:50,554 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:50,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 379 Invalid, 11 Unknown, 0 Unchecked, 28.9s Time] [2022-11-26 00:09:50,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:09:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:09:50,598 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 00:09:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:09:50,599 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:09:50,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:50,599 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:09:50,600 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 00:09:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:09:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:09:50,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:50,602 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 00:09:50,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:09:50,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:09:50,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:09:50,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:50,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1298103213, now seen corresponding path program 1 times [2022-11-26 00:09:50,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:50,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859166864] [2022-11-26 00:09:50,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:50,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:50,965 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:09:50,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855631272] [2022-11-26 00:09:50,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:50,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:09:50,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:09:50,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:09:50,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c868e6b6-ed02-4f7f-a0c3-95baae5d85dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:09:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:52,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:09:52,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:09:52,288 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 00:09:52,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:09:52,396 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 00:09:52,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:52,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859166864] [2022-11-26 00:09:52,397 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:09:52,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855631272] [2022-11-26 00:09:52,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855631272] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:09:52,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [226637504] [2022-11-26 00:09:52,401 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:09:52,401 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:09:52,402 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:09:52,402 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:09:52,402 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:09:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:09:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,510 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:09:52,510 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 00:09:52,555 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:09:52,555 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 00:09:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,576 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 00:09:52,584 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 00:09:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,600 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 00:09:52,890 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 00:09:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,936 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 00:09:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:52,979 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 00:09:53,014 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 00:09:53,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,088 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 00:09:53,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,136 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 00:09:53,161 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 00:09:53,173 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 00:09:53,214 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 00:09:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,252 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 00:09:53,291 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 00:09:53,361 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:09:53,362 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 00:09:53,445 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:09:53,446 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 00:09:53,614 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 00:09:53,618 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 00:09:53,624 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 00:09:53,642 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 00:09:53,650 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 00:09:53,657 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 00:09:53,679 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 00:09:53,684 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 00:09:53,691 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 00:09:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,770 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 00:09:53,796 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 00:09:53,814 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 00:09:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:53,997 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 00:09:54,014 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 00:09:54,030 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 00:09:55,175 INFO L217 Elim1Store]: Index analysis took 778 ms [2022-11-26 00:09:58,326 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:09:58,326 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 00:09:59,092 INFO L217 Elim1Store]: Index analysis took 531 ms [2022-11-26 00:10:02,749 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:10:02,750 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 00:10:08,822 WARN L233 SmtUtils]: Spent 6.02s 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 00:10:08,823 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:10:08,823 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 00:10:33,478 WARN L233 SmtUtils]: Spent 24.49s 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 00:10:33,478 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:10:33,479 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 1829 [2022-11-26 00:10:34,254 INFO L217 Elim1Store]: Index analysis took 542 ms [2022-11-26 00:10:52,593 WARN L233 SmtUtils]: Spent 17.91s 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 00:10:52,594 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:10:52,595 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 00:10:53,952 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-26 00:10:54,304 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:10:54,304 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 00:10:54,374 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 00:10:54,903 INFO L217 Elim1Store]: Index analysis took 404 ms [2022-11-26 00:10:55,523 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:10:55,523 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 00:11:00,791 INFO L217 Elim1Store]: Index analysis took 437 ms