./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/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_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/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 64bit --witnessprinter.graph.data.programhash 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:51:30,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:51:30,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:51:30,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:51:30,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:51:30,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:51:30,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:51:30,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:51:30,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:51:30,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:51:30,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:51:30,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:51:30,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:51:30,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:51:30,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:51:30,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:51:30,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:51:30,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:51:30,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:51:30,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:51:30,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:51:30,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:51:30,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:51:30,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:51:30,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:51:30,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:51:30,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:51:30,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:51:30,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:51:30,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:51:30,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:51:30,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:51:30,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:51:30,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:51:30,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:51:30,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:51:30,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:51:30,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:51:30,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:51:30,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:51:30,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:51:30,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:51:30,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:51:30,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:51:30,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:51:30,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:51:30,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:51:30,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:51:30,455 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:51:30,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:51:30,456 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:51:30,456 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:51:30,458 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:51:30,458 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:51:30,458 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:51:30,458 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:51:30,459 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:51:30,459 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:51:30,459 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:51:30,460 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:51:30,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:51:30,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:51:30,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:51:30,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:51:30,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:51:30,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:51:30,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:51:30,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:51:30,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:51:30,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:51:30,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:51:30,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:51:30,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:51:30,465 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:51:30,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:51:30,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:51:30,466 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:51:30,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:51:30,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:51:30,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:51:30,468 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_c5f6530f-d95f-4c66-899e-88372e805936/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 [2022-11-25 23:51:30,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:51:30,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:51:30,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:51:30,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:51:30,916 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:51:30,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-25 23:51:34,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:51:34,588 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:51:34,589 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-25 23:51:34,601 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/data/f4c19d3ae/8719cf945e474c96b78ff93db24ab573/FLAG8f9088f28 [2022-11-25 23:51:34,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/data/f4c19d3ae/8719cf945e474c96b78ff93db24ab573 [2022-11-25 23:51:34,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:51:34,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:51:34,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:51:34,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:51:34,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:51:34,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:51:34" (1/1) ... [2022-11-25 23:51:34,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f92c120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:34, skipping insertion in model container [2022-11-25 23:51:34,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:51:34" (1/1) ... [2022-11-25 23:51:34,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:51:34,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:51:34,944 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_c5f6530f-d95f-4c66-899e-88372e805936/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-25 23:51:35,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:51:35,208 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:51:35,222 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_c5f6530f-d95f-4c66-899e-88372e805936/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-25 23:51:35,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:51:35,429 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:51:35,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35 WrapperNode [2022-11-25 23:51:35,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:51:35,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:51:35,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:51:35,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:51:35,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,598 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 927 [2022-11-25 23:51:35,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:51:35,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:51:35,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:51:35,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:51:35,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:51:35,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:51:35,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:51:35,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:51:35,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (1/1) ... [2022-11-25 23:51:35,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:51:35,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:51:35,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:51:35,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:51:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:51:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:51:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:51:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:51:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:51:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:51:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:51:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:51:36,079 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:51:36,082 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:51:39,716 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:51:39,894 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:51:39,895 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-25 23:51:39,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:51:39 BoogieIcfgContainer [2022-11-25 23:51:39,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:51:39,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:51:39,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:51:39,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:51:39,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:51:34" (1/3) ... [2022-11-25 23:51:39,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fc3d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:51:39, skipping insertion in model container [2022-11-25 23:51:39,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:51:35" (2/3) ... [2022-11-25 23:51:39,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fc3d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:51:39, skipping insertion in model container [2022-11-25 23:51:39,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:51:39" (3/3) ... [2022-11-25 23:51:39,925 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-25 23:51:39,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:51:39,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:51:40,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:51:40,035 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;@5003f679, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:51:40,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:51:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:51:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 23:51:40,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:51:40,053 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:51:40,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:51:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:51:40,063 INFO L85 PathProgramCache]: Analyzing trace with hash -953116364, now seen corresponding path program 1 times [2022-11-25 23:51:40,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:51:40,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773294002] [2022-11-25 23:51:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:51:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 23:51:41,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:51:41,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773294002] [2022-11-25 23:51:41,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773294002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:51:41,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:51:41,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:51:41,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437471196] [2022-11-25 23:51:41,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:51:41,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:51:41,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:51:41,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:51:41,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:41,336 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:51:43,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:43,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:51:43,492 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-11-25 23:51:43,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:51:43,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2022-11-25 23:51:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:51:43,504 INFO L225 Difference]: With dead ends: 48 [2022-11-25 23:51:43,505 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:51:43,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:43,514 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:51:43,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:51:43,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:51:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 23:51:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:51:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-11-25 23:51:43,566 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-11-25 23:51:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:51:43,567 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-25 23:51:43,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:51:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-25 23:51:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 23:51:43,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:51:43,571 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:51:43,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:51:43,572 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:51:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:51:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1717820294, now seen corresponding path program 1 times [2022-11-25 23:51:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:51:43,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000322160] [2022-11-25 23:51:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:51:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 23:51:44,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:51:44,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000322160] [2022-11-25 23:51:44,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000322160] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:51:44,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875835113] [2022-11-25 23:51:44,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:51:44,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:51:44,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:51:44,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:51:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:44,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:51:44,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:51:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 23:51:44,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:51:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 23:51:44,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875835113] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:51:44,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:51:44,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-11-25 23:51:44,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578788010] [2022-11-25 23:51:44,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:51:44,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:51:44,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:51:44,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:51:44,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:51:44,796 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:51:46,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:51:46,904 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-11-25 23:51:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:51:46,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2022-11-25 23:51:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:51:46,905 INFO L225 Difference]: With dead ends: 47 [2022-11-25 23:51:46,905 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:51:46,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:51:46,907 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:51:46,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:51:46,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:51:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 23:51:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:51:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-25 23:51:46,922 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-11-25 23:51:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:51:46,923 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-25 23:51:46,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:51:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-25 23:51:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:51:46,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:51:46,926 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:51:46,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:51:47,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-25 23:51:47,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:51:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:51:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -104920270, now seen corresponding path program 1 times [2022-11-25 23:51:47,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:51:47,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497052917] [2022-11-25 23:51:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:51:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 23:51:47,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:51:47,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497052917] [2022-11-25 23:51:47,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497052917] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:51:47,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732704136] [2022-11-25 23:51:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:51:47,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:51:47,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:51:47,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:51:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:48,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 23:51:48,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:51:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 23:51:48,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:51:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 23:51:48,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732704136] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:51:48,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [726709200] [2022-11-25 23:51:48,680 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-25 23:51:48,680 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:51:48,684 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:51:48,689 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:51:48,690 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:51:48,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:51:48,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-25 23:51:48,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 23:51:49,249 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-25 23:51:49,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-25 23:51:49,856 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 41 treesize of output 37 [2022-11-25 23:51:49,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:51:49,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:51:49,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 23:51:50,286 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 41 treesize of output 37 [2022-11-25 23:51:50,401 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 41 treesize of output 37 [2022-11-25 23:51:55,135 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-11-25 23:51:55,137 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:52:08,086 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-25 23:52:08,086 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:52:08,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:52:08,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-11-25 23:52:08,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208160668] [2022-11-25 23:52:08,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:52:08,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:52:08,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:08,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:52:08,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-11-25 23:52:08,089 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 23:52:10,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:10,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:10,591 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-11-25 23:52:10,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:52:10,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 28 [2022-11-25 23:52:10,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:10,593 INFO L225 Difference]: With dead ends: 52 [2022-11-25 23:52:10,593 INFO L226 Difference]: Without dead ends: 29 [2022-11-25 23:52:10,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-25 23:52:10,594 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:10,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 23:52:10,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-25 23:52:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-25 23:52:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:52:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-11-25 23:52:10,601 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-11-25 23:52:10,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:10,601 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-11-25 23:52:10,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 23:52:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-11-25 23:52:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 23:52:10,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:10,602 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:10,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:52:10,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:10,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:10,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1535348420, now seen corresponding path program 2 times [2022-11-25 23:52:10,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:10,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713184805] [2022-11-25 23:52:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:10,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:11,359 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 23:52:11,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:11,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713184805] [2022-11-25 23:52:11,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713184805] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:11,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582221215] [2022-11-25 23:52:11,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:52:11,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:11,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:11,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:11,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:52:12,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-25 23:52:12,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:52:12,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-25 23:52:12,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:52:13,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:52:13,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582221215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:52:13,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:52:13,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-25 23:52:13,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919895977] [2022-11-25 23:52:13,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:13,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:52:13,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:13,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:52:13,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:52:13,602 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:52:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:15,994 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-11-25 23:52:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:52:15,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 31 [2022-11-25 23:52:15,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:15,996 INFO L225 Difference]: With dead ends: 59 [2022-11-25 23:52:15,996 INFO L226 Difference]: Without dead ends: 57 [2022-11-25 23:52:15,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:52:15,998 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:15,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 23:52:15,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-25 23:52:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-11-25 23:52:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:52:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-11-25 23:52:16,011 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-11-25 23:52:16,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:16,011 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-11-25 23:52:16,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:52:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-11-25 23:52:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-25 23:52:16,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:16,014 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:16,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:52:16,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:16,227 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:16,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1505121219, now seen corresponding path program 1 times [2022-11-25 23:52:16,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:16,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783892415] [2022-11-25 23:52:16,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-25 23:52:17,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:17,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783892415] [2022-11-25 23:52:17,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783892415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:17,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958176529] [2022-11-25 23:52:17,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:17,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:17,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:17,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:17,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:52:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:18,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:52:18,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-25 23:52:18,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:52:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-25 23:52:18,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958176529] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:18,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:52:18,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-25 23:52:18,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527531367] [2022-11-25 23:52:18,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:18,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:18,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:18,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:18,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:18,643 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:20,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:20,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:20,729 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-11-25 23:52:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:20,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2022-11-25 23:52:20,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:20,731 INFO L225 Difference]: With dead ends: 63 [2022-11-25 23:52:20,731 INFO L226 Difference]: Without dead ends: 42 [2022-11-25 23:52:20,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:20,733 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:20,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:52:20,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-25 23:52:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-25 23:52:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:52:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-11-25 23:52:20,743 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-11-25 23:52:20,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:20,744 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-11-25 23:52:20,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-25 23:52:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 23:52:20,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:20,746 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:20,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:52:20,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:20,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:20,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:20,959 INFO L85 PathProgramCache]: Analyzing trace with hash -552639346, now seen corresponding path program 1 times [2022-11-25 23:52:20,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:20,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368263935] [2022-11-25 23:52:20,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-25 23:52:22,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:22,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368263935] [2022-11-25 23:52:22,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368263935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:22,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021653640] [2022-11-25 23:52:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:22,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:22,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:22,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:22,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:52:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:22,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:52:22,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-25 23:52:23,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:52:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-25 23:52:23,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021653640] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:23,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:52:23,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-25 23:52:23,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467358256] [2022-11-25 23:52:23,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:23,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:23,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:23,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:23,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:23,051 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:24,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:24,849 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-11-25 23:52:24,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:24,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2022-11-25 23:52:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:24,851 INFO L225 Difference]: With dead ends: 65 [2022-11-25 23:52:24,851 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 23:52:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:24,853 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:24,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 23:52:24,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 23:52:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 23:52:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:52:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-25 23:52:24,865 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-11-25 23:52:24,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:24,865 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-25 23:52:24,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-11-25 23:52:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 23:52:24,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:24,868 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:24,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:52:25,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:52:25,082 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1159343183, now seen corresponding path program 1 times [2022-11-25 23:52:25,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:25,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624978028] [2022-11-25 23:52:25,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 23:52:26,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:26,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624978028] [2022-11-25 23:52:26,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624978028] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:26,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561018931] [2022-11-25 23:52:26,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:26,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:26,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:26,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:52:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:27,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:52:27,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-25 23:52:27,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:52:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-25 23:52:27,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561018931] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:27,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:52:27,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-25 23:52:27,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343834570] [2022-11-25 23:52:27,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:27,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:27,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:27,234 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:29,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:29,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:29,321 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-11-25 23:52:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:29,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-11-25 23:52:29,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:29,323 INFO L225 Difference]: With dead ends: 67 [2022-11-25 23:52:29,323 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 23:52:29,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:29,325 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:29,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:52:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 23:52:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-25 23:52:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:52:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-11-25 23:52:29,336 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-11-25 23:52:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:29,336 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-25 23:52:29,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-25 23:52:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:52:29,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:29,338 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:29,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:52:29,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:29,563 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:29,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:29,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1097501890, now seen corresponding path program 1 times [2022-11-25 23:52:29,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:29,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587576558] [2022-11-25 23:52:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:29,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-25 23:52:30,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:30,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587576558] [2022-11-25 23:52:30,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587576558] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:30,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922553898] [2022-11-25 23:52:30,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:30,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:30,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:30,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:30,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:52:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:31,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:52:31,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-25 23:52:31,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:52:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-25 23:52:31,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922553898] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:31,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:52:31,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-25 23:52:31,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385478859] [2022-11-25 23:52:31,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:31,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:31,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:31,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:31,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:31,615 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:33,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:33,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:33,721 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-11-25 23:52:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:33,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-11-25 23:52:33,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:33,723 INFO L225 Difference]: With dead ends: 69 [2022-11-25 23:52:33,723 INFO L226 Difference]: Without dead ends: 45 [2022-11-25 23:52:33,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:52:33,724 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:33,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:52:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-25 23:52:33,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-25 23:52:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:52:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-11-25 23:52:33,734 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-11-25 23:52:33,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:33,734 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-11-25 23:52:33,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:52:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-25 23:52:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 23:52:33,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:33,736 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:52:33,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:52:33,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 23:52:33,950 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:33,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1100613158, now seen corresponding path program 1 times [2022-11-25 23:52:33,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:33,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954776284] [2022-11-25 23:52:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:33,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-25 23:52:35,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:35,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954776284] [2022-11-25 23:52:35,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954776284] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:52:35,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646835913] [2022-11-25 23:52:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:35,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:52:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:52:35,123 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:52:35,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:52:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:36,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:52:36,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:52:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 23:52:36,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:52:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-25 23:52:36,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646835913] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:52:36,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [713323961] [2022-11-25 23:52:36,159 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-25 23:52:36,159 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:52:36,160 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:52:36,160 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:52:36,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:52:36,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-25 23:52:36,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:52:36,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-25 23:52:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:36,432 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 329 treesize of output 328 [2022-11-25 23:52:36,576 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 41 treesize of output 37 [2022-11-25 23:52:36,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:52:36,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:52:36,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 23:52:36,809 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 41 treesize of output 37 [2022-11-25 23:52:36,934 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 41 treesize of output 37 [2022-11-25 23:52:40,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:52:40,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:52:40,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:40,453 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:40,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:41,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:41,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:41,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:41,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:41,373 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:52:41,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:52:41,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:41,840 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:41,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:43,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:52:43,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:52:43,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:52:43,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:43,953 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:43,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:45,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:45,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:45,373 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:52:45,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:52:46,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:46,182 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:46,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:46,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:52:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:47,448 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:47,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:48,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:48,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:48,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:48,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:48,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:49,021 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:52:49,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:52:49,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:49,972 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:49,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:50,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:50,796 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:50,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:52,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:52,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:52,575 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:52:52,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-25 23:52:53,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:53,176 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:52:53,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:52:53,769 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:52:53,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:53:04,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:53:04,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:53:05,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:06,005 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:06,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:06,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:06,390 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:06,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:07,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:53:07,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:53:07,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:53:08,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:08,574 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:08,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:09,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:09,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:09,875 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:53:09,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:53:10,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:10,544 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:10,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:11,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:53:11,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:11,737 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:11,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:13,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:13,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:13,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:13,192 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:53:13,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:53:13,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:13,960 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:13,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:14,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:14,684 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:14,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:16,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:16,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:16,175 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:53:16,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-25 23:53:16,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:16,845 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:16,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:17,358 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:53:17,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:53:27,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:53:27,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:53:28,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:28,309 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:28,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:29,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:29,124 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:29,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:30,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:53:30,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:53:30,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:53:31,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:31,153 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:31,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:32,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:32,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:32,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:32,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:32,386 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:53:32,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:53:32,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:32,997 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:32,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:33,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:53:34,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:34,065 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:34,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:53:35,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:35,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:35,408 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:53:35,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:53:36,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:36,252 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:36,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:36,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:36,781 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:53:36,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-25 23:53:38,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:38,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:38,264 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-25 23:53:38,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-25 23:53:39,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:53:39,137 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:53:39,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:53:39,687 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:53:39,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:54:02,007 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-25 23:54:02,008 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:54:14,732 WARN L233 SmtUtils]: Spent 9.96s on a formula simplification. DAG size of input: 640 DAG size of output: 460 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:54:38,884 WARN L233 SmtUtils]: Spent 23.85s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:54:58,843 WARN L233 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:55:12,746 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-25 23:55:12,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:55:12,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:55:12,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-11-25 23:55:12,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531648233] [2022-11-25 23:55:12,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:55:12,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:55:12,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:12,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:55:12,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2022-11-25 23:55:12,749 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 23:55:14,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:14,962 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-25 23:55:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 23:55:14,963 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2022-11-25 23:55:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:14,964 INFO L225 Difference]: With dead ends: 88 [2022-11-25 23:55:14,964 INFO L226 Difference]: Without dead ends: 49 [2022-11-25 23:55:14,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 70.8s TimeCoverageRelationStatistics Valid=165, Invalid=957, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 23:55:14,965 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:14,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 23:55:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-25 23:55:14,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-25 23:55:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:55:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-11-25 23:55:14,976 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-11-25 23:55:14,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:14,977 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-11-25 23:55:14,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 23:55:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-11-25 23:55:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 23:55:14,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:14,979 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:14,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:55:15,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:55:15,187 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:15,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:15,188 INFO L85 PathProgramCache]: Analyzing trace with hash -85362012, now seen corresponding path program 2 times [2022-11-25 23:55:15,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:15,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916752300] [2022-11-25 23:55:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-25 23:55:16,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:16,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916752300] [2022-11-25 23:55:16,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916752300] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:55:16,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941428481] [2022-11-25 23:55:16,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:55:16,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:55:16,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:16,467 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:55:16,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:56:08,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 23:56:08,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:56:08,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:56:08,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:56:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-25 23:56:08,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:56:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-25 23:56:08,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941428481] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:56:08,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1504504790] [2022-11-25 23:56:08,579 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-25 23:56:08,580 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:56:08,580 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:56:08,580 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:56:08,581 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:56:08,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:08,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-25 23:56:08,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-25 23:56:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:08,759 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 329 treesize of output 328 [2022-11-25 23:56:08,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-25 23:56:08,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:56:08,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:08,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 23:56:09,110 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 41 treesize of output 37 [2022-11-25 23:56:09,201 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 41 treesize of output 37 [2022-11-25 23:56:11,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:11,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:56:12,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:12,153 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:12,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:12,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:12,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:12,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:12,742 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:56:12,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:56:13,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:13,085 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:13,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:14,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:14,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:56:14,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:56:15,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:15,410 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:15,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,743 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:56:16,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:56:17,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:17,364 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:17,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:17,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:56:18,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:18,734 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:18,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:20,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:20,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:20,232 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:56:20,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:56:21,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:21,068 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:21,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:21,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:21,887 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:21,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:23,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:23,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:23,576 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:56:23,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-25 23:56:24,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:24,352 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:24,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:24,751 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:56:24,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:56:34,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:34,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:56:36,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:36,254 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:36,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:36,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:36,664 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:36,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:37,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:37,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:56:38,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:56:38,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:38,783 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:38,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:39,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:39,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:39,861 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:56:39,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:56:40,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:40,487 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:40,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:41,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:56:41,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:41,753 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:41,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:43,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:43,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:43,049 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:56:43,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:56:43,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:43,858 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:43,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:44,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:44,531 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:56:44,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-25 23:56:45,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:45,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:45,925 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-25 23:56:45,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-25 23:56:46,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:46,767 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:46,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:47,263 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:56:47,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:56:57,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:56:57,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:56:58,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:58,074 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:58,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:58,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:58,900 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:56:58,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:56:59,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:57:00,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:57:00,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:57:00,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:00,908 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:57:00,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:57:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:01,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:01,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:02,003 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:57:02,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:57:02,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:02,624 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:57:02,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:57:03,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:57:03,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:03,917 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:57:03,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:57:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:05,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:05,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:05,194 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:57:05,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:57:05,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:05,928 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:57:05,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:57:06,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:06,629 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:57:06,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-25 23:57:07,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:07,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:07,990 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-25 23:57:07,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-25 23:57:08,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:57:08,801 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:57:08,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:57:09,275 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:57:09,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:57:29,989 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-25 23:57:29,991 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:57:44,471 WARN L233 SmtUtils]: Spent 11.65s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:57:59,386 WARN L233 SmtUtils]: Spent 14.58s on a formula simplification. DAG size of input: 556 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:58:18,351 WARN L233 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:58:32,225 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4170#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-25 23:58:32,225 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:58:32,225 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:58:32,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-11-25 23:58:32,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747585374] [2022-11-25 23:58:32,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:58:32,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:58:32,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:32,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:58:32,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 23:58:32,228 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:58:34,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:58:36,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:36,648 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-11-25 23:58:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:58:36,649 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 66 [2022-11-25 23:58:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:36,650 INFO L225 Difference]: With dead ends: 95 [2022-11-25 23:58:36,650 INFO L226 Difference]: Without dead ends: 53 [2022-11-25 23:58:36,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 62.3s TimeCoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 23:58:36,651 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:36,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 23:58:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-25 23:58:36,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-25 23:58:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:58:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-25 23:58:36,662 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-11-25 23:58:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:36,662 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-25 23:58:36,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:58:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-25 23:58:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-25 23:58:36,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:36,664 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:36,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:58:36,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:36,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:58:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:36,880 INFO L85 PathProgramCache]: Analyzing trace with hash -452327161, now seen corresponding path program 3 times [2022-11-25 23:58:36,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:36,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955488849] [2022-11-25 23:58:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:36,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-25 23:58:38,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:38,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955488849] [2022-11-25 23:58:38,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955488849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:58:38,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386388213] [2022-11-25 23:58:38,232 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:58:38,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:38,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:38,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:58:38,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 23:58:39,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:58:39,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:58:39,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 2145 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 23:58:39,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:58:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-25 23:58:39,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:58:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-25 23:58:39,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386388213] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:58:39,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1102737451] [2022-11-25 23:58:39,613 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-25 23:58:39,614 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:58:39,614 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:58:39,615 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:58:39,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:58:39,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-25 23:58:39,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:39,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 23:58:39,836 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-25 23:58:39,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-25 23:58:40,029 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 41 treesize of output 37 [2022-11-25 23:58:40,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:40,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:58:40,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-25 23:58:40,212 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 41 treesize of output 37 [2022-11-25 23:58:40,306 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 41 treesize of output 37 [2022-11-25 23:58:42,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:58:42,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:42,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:42,914 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:42,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:43,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:43,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:43,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:43,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:43,551 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:58:43,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:58:43,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:43,888 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:43,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:44,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:58:44,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:45,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:58:45,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:45,857 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:45,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:46,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:46,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:46,941 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:58:46,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:58:47,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:47,606 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:47,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:48,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:58:48,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:48,803 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:48,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:50,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:50,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:50,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:50,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:50,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:50,244 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:58:50,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:58:50,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:50,951 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:50,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:51,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:51,552 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:51,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:52,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:52,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:53,001 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:58:53,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-25 23:58:53,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:53,772 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:58:53,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:58:54,397 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:58:54,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:59:04,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:04,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:59:05,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:05,645 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:05,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:06,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:06,556 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:06,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:07,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:59:07,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:08,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:59:08,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,697 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:08,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:09,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:09,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:09,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:09,929 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:59:09,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:59:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:10,540 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:10,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:11,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:59:11,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:11,701 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:11,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:13,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:13,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:13,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:13,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:13,124 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:59:13,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:59:13,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:13,781 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:13,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:14,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:14,505 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:59:14,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-25 23:59:15,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:15,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:15,855 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-25 23:59:15,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-25 23:59:16,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:16,669 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:16,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:17,236 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:59:17,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 23:59:27,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:27,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:59:28,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:28,636 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:28,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:29,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:29,033 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:29,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:30,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:59:30,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:30,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:59:31,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:31,149 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:31,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:32,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:32,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:32,360 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:59:32,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:59:32,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:32,978 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:32,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:33,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:59:34,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:34,425 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:34,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:35,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:35,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:35,932 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-25 23:59:35,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-25 23:59:36,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:36,814 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:36,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:37,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:37,556 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:59:37,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-25 23:59:39,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:39,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:39,272 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-25 23:59:39,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-25 23:59:40,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:40,282 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-25 23:59:40,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-25 23:59:40,901 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:59:40,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:00:04,515 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:00:04,517 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:00:19,467 WARN L233 SmtUtils]: Spent 11.82s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:00:48,329 WARN L233 SmtUtils]: Spent 28.34s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:01:08,444 WARN L233 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:01:22,680 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4873#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-26 00:01:22,680 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:01:22,680 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:01:22,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-11-26 00:01:22,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289904559] [2022-11-26 00:01:22,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:01:22,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-26 00:01:22,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:22,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-26 00:01:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1443, Unknown=0, NotChecked=0, Total=1640 [2022-11-26 00:01:22,683 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:01:24,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:01:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:26,356 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-11-26 00:01:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:01:26,356 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-26 00:01:26,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:26,357 INFO L225 Difference]: With dead ends: 103 [2022-11-26 00:01:26,357 INFO L226 Difference]: Without dead ends: 58 [2022-11-26 00:01:26,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 78.4s TimeCoverageRelationStatistics Valid=217, Invalid=1589, Unknown=0, NotChecked=0, Total=1806 [2022-11-26 00:01:26,359 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:26,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:01:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-26 00:01:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-26 00:01:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:01:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-26 00:01:26,369 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-11-26 00:01:26,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:26,370 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-26 00:01:26,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:01:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-26 00:01:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:01:26,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:26,371 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:01:26,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:01:26,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-26 00:01:26,579 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:01:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash 575030105, now seen corresponding path program 4 times [2022-11-26 00:01:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:26,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548656720] [2022-11-26 00:01:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-26 00:01:27,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:27,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548656720] [2022-11-26 00:01:27,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548656720] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:01:27,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925777171] [2022-11-26 00:01:27,912 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:01:27,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:01:27,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:27,915 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:01:27,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 00:01:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:28,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-26 00:01:28,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:01:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-26 00:01:28,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:01:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-26 00:01:29,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925777171] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:01:29,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1910774257] [2022-11-26 00:01:29,386 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:01:29,387 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:01:29,387 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:01:29,387 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:01:29,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:01:29,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:01:29,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:01:29,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-26 00:01:29,597 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-26 00:01:29,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-26 00:01:29,804 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 41 treesize of output 37 [2022-11-26 00:01:29,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:01:29,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:01:29,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:01:30,072 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 41 treesize of output 37 [2022-11-26 00:01:30,148 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 41 treesize of output 37 [2022-11-26 00:01:32,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:01:32,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:01:32,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:32,941 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:32,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:33,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:33,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:33,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:33,552 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:01:33,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:01:33,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:34,005 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:34,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:35,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:01:35,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:01:35,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:01:36,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:36,710 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:36,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:38,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:38,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:38,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:38,210 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:01:38,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:01:39,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:39,097 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:39,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:39,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:01:40,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:40,693 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:40,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:42,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:42,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:42,076 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:01:42,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:01:42,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:42,972 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:42,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:43,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:43,751 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:43,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:45,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:01:45,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:45,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:45,608 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:01:45,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:01:46,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:46,374 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:46,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:46,944 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:01:46,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:01:57,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:01:57,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:01:58,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:58,332 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:58,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:01:59,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:01:59,135 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:01:59,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:00,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:02:00,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:02:00,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:02:01,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:01,133 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:01,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:02,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:02,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:02,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:02,229 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:02:02,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:02:02,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:02,953 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:02,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:03,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:02:04,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:04,140 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:04,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:05,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:05,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:05,608 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:02:05,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:02:06,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:06,321 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:06,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:06,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:06,937 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 00:02:06,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-26 00:02:08,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:08,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:08,598 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-26 00:02:08,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-26 00:02:09,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:09,328 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:09,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:09,908 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:02:09,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:02:20,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:02:20,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:02:21,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:21,061 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:21,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:21,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:21,942 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:21,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:22,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:02:23,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:02:23,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:02:23,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:23,930 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:23,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:25,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:25,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:25,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:25,039 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:02:25,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:02:25,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:25,581 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:25,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:26,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:02:26,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:26,883 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:26,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:28,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:28,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:28,296 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:02:28,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:02:29,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:29,088 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:29,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:29,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:29,697 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:29,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:31,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:31,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:31,404 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:02:31,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:02:32,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:02:32,120 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:02:32,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:02:32,612 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:02:32,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:02:55,021 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-26 00:02:55,022 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:03:10,210 WARN L233 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:03:31,422 WARN L233 SmtUtils]: Spent 20.55s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:03:51,906 WARN L233 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:04:06,607 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5642#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-26 00:04:06,607 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:04:06,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:04:06,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-11-26 00:04:06,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840635888] [2022-11-26 00:04:06,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:04:06,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-26 00:04:06,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:04:06,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-26 00:04:06,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2124, Unknown=0, NotChecked=0, Total=2352 [2022-11-26 00:04:06,609 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:04:09,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:04:09,770 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2022-11-26 00:04:09,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:04:09,771 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-11-26 00:04:09,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:04:09,772 INFO L225 Difference]: With dead ends: 108 [2022-11-26 00:04:09,772 INFO L226 Difference]: Without dead ends: 59 [2022-11-26 00:04:09,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 72.7s TimeCoverageRelationStatistics Valid=298, Invalid=2782, Unknown=0, NotChecked=0, Total=3080 [2022-11-26 00:04:09,774 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 152 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:04:09,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 220 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:04:09,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-26 00:04:09,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-26 00:04:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-26 00:04:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-11-26 00:04:09,787 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-11-26 00:04:09,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:04:09,788 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-11-26 00:04:09,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:04:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-26 00:04:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-26 00:04:09,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:04:09,790 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:04:09,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-26 00:04:09,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-26 00:04:09,995 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:04:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:04:09,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1600227513, now seen corresponding path program 5 times [2022-11-26 00:04:09,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:04:09,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323593512] [2022-11-26 00:04:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:04:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:04:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:04:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-26 00:04:11,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:04:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323593512] [2022-11-26 00:04:11,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323593512] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:04:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234445659] [2022-11-26 00:04:11,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:04:11,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:04:11,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:04:11,219 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:04:11,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f6530f-d95f-4c66-899e-88372e805936/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-26 00:04:33,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-26 00:04:33,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:04:33,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:04:33,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:04:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-26 00:04:33,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:04:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-26 00:04:33,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234445659] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:04:33,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [342384334] [2022-11-26 00:04:33,227 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:04:33,227 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:04:33,227 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:04:33,228 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:04:33,228 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:04:33,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-26 00:04:33,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:33,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-26 00:04:33,431 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-26 00:04:33,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-26 00:04:33,646 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 41 treesize of output 37 [2022-11-26 00:04:33,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:33,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:33,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:04:33,835 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 41 treesize of output 37 [2022-11-26 00:04:33,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-26 00:04:36,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:36,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:36,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:36,612 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:36,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:37,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:37,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:37,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:37,222 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:04:37,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:04:37,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:37,624 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:37,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:38,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:38,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:04:38,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:39,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:39,687 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:39,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:40,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:40,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:40,902 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:04:40,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:04:41,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:41,485 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:41,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:42,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:04:42,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:42,699 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:42,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:44,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:44,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:44,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:44,236 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:04:44,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:04:44,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:44,892 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:44,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:45,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:45,687 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:45,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:46,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:46,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:47,011 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:04:47,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:04:47,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:47,765 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:47,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:04:48,425 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:04:48,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:04:58,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:04:58,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:04:59,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:59,319 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:04:59,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:00,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:00,192 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:00,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:01,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:05:01,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:05:01,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:05:02,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:02,237 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:02,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:03,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:03,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:03,417 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:05:03,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:05:04,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,047 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:04,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:04,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:05:05,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:05,173 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:05,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:06,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:06,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:06,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:06,605 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:05:06,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:05:07,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:07,324 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:07,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:07,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:07,988 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:07,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:09,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:09,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:09,660 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:05:09,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:05:10,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:10,447 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:10,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:10,899 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:05:10,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:05:21,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:05:21,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:05:22,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:22,148 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:22,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:23,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:23,045 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:23,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:23,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:05:24,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:05:24,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:05:25,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:25,030 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:25,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:26,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,148 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:05:26,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:05:26,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:26,674 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:26,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:27,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:05:28,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:28,076 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:28,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:29,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:29,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:29,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:29,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:29,482 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:05:29,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-26 00:05:30,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,235 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:30,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:30,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:30,965 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:30,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:32,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:32,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:32,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:32,432 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-26 00:05:32,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-26 00:05:33,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:33,186 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-26 00:05:33,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-26 00:05:33,619 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:05:33,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11