./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:49:01,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:49:01,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:49:01,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:49:01,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:49:01,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:49:01,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:49:01,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:49:01,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:49:01,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:49:01,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:49:01,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:49:01,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:49:01,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:49:01,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:49:01,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:49:01,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:49:01,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:49:01,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:49:01,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:49:01,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:49:01,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:49:01,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:49:01,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:49:01,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:49:01,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:49:01,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:49:01,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:49:01,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:49:01,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:49:01,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:49:01,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:49:01,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:49:01,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:49:01,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:49:01,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:49:01,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:49:01,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:49:01,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:49:01,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:49:01,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:49:01,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:49:01,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:49:01,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:49:01,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:49:01,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:49:01,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:49:01,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:49:01,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:49:01,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:49:01,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:49:01,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:49:01,371 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:49:01,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:49:01,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:49:01,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:49:01,371 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:49:01,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:49:01,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:49:01,372 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:49:01,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:49:01,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:49:01,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:49:01,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:49:01,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:49:01,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:49:01,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:49:01,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:49:01,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:49:01,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:49:01,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:49:01,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:49:01,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:49:01,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:49:01,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:49:01,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:49:01,375 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:49:01,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:49:01,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:49:01,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:49:01,376 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_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-12-14 08:49:01,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:49:01,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:49:01,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:49:01,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:49:01,591 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:49:01,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-12-14 08:49:04,144 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:49:04,396 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:49:04,396 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-12-14 08:49:04,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/data/5fe92ccd4/389d4bdf83d44c65b118b05a16d53a82/FLAG68c229f04 [2022-12-14 08:49:04,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/data/5fe92ccd4/389d4bdf83d44c65b118b05a16d53a82 [2022-12-14 08:49:04,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:49:04,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:49:04,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:49:04,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:49:04,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:49:04,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:49:04" (1/1) ... [2022-12-14 08:49:04,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719a1a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:04, skipping insertion in model container [2022-12-14 08:49:04,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:49:04" (1/1) ... [2022-12-14 08:49:04,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:49:04,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:49:05,077 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_cebc0727-2830-4631-a1d3-c225c9e26dd9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-12-14 08:49:05,086 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:49:05,093 WARN L623 FunctionHandler]: Unknown extern function write [2022-12-14 08:49:05,101 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-12-14 08:49:05,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:49:05,124 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:49:05,173 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_cebc0727-2830-4631-a1d3-c225c9e26dd9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-12-14 08:49:05,178 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:49:05,185 WARN L623 FunctionHandler]: Unknown extern function write [2022-12-14 08:49:05,192 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-12-14 08:49:05,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:49:05,246 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:49:05,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05 WrapperNode [2022-12-14 08:49:05,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:49:05,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:49:05,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:49:05,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:49:05,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,302 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 350 [2022-12-14 08:49:05,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:49:05,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:49:05,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:49:05,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:49:05,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:49:05,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:49:05,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:49:05,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:49:05,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (1/1) ... [2022-12-14 08:49:05,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:49:05,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:49:05,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:49:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:49:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:49:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-12-14 08:49:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:49:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:49:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:49:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:49:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:49:05,663 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:49:05,665 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:49:05,940 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:49:06,040 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:49:06,040 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-12-14 08:49:06,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:49:06 BoogieIcfgContainer [2022-12-14 08:49:06,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:49:06,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:49:06,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:49:06,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:49:06,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:49:04" (1/3) ... [2022-12-14 08:49:06,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293ac769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:49:06, skipping insertion in model container [2022-12-14 08:49:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:49:05" (2/3) ... [2022-12-14 08:49:06,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293ac769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:49:06, skipping insertion in model container [2022-12-14 08:49:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:49:06" (3/3) ... [2022-12-14 08:49:06,051 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-12-14 08:49:06,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:49:06,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:49:06,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:49:06,111 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;@6c5c8f78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:49:06,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:49:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:49:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 08:49:06,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:49:06,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:49:06,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:49:06,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:49:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1314219880, now seen corresponding path program 1 times [2022-12-14 08:49:06,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:49:06,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011859405] [2022-12-14 08:49:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:49:06,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:49:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:49:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:49:06,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:49:06,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011859405] [2022-12-14 08:49:06,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011859405] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:49:06,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:49:06,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:49:06,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740442067] [2022-12-14 08:49:06,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:49:06,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:49:06,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:49:06,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:49:06,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:49:06,444 INFO L87 Difference]: Start difference. First operand has 42 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:49:06,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:49:06,512 INFO L93 Difference]: Finished difference Result 83 states and 131 transitions. [2022-12-14 08:49:06,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:49:06,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-14 08:49:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:49:06,519 INFO L225 Difference]: With dead ends: 83 [2022-12-14 08:49:06,519 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 08:49:06,521 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 [2022-12-14 08:49:06,523 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:49:06,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:49:06,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 08:49:06,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-14 08:49:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:49:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-12-14 08:49:06,556 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-12-14 08:49:06,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:49:06,556 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-12-14 08:49:06,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:49:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-12-14 08:49:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 08:49:06,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:49:06,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:49:06,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:49:06,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:49:06,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:49:06,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1048792372, now seen corresponding path program 1 times [2022-12-14 08:49:06,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:49:06,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517141968] [2022-12-14 08:49:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:49:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:49:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:49:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:49:06,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:49:06,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517141968] [2022-12-14 08:49:06,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517141968] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:49:06,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982470148] [2022-12-14 08:49:06,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:49:06,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:49:06,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:49:06,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:49:06,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:49:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:49:06,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:49:06,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:49:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:49:06,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:49:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:49:06,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982470148] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:49:06,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1496535795] [2022-12-14 08:49:06,863 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-12-14 08:49:06,863 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:49:06,866 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:49:06,871 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:49:06,871 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:49:06,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:49:07,351 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-12-14 08:49:07,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-12-14 08:49:07,643 INFO L321 Elim1Store]: treesize reduction 48, result has 59.0 percent of original size [2022-12-14 08:49:07,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 249 treesize of output 258 [2022-12-14 08:49:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:08,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:08,140 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:08,282 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:08,310 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:08,590 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:08,623 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:08,768 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:08,790 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:09,084 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:09,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:09,796 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:09,841 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:09,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:09,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:09,979 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,070 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,272 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,295 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,431 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,451 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,598 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,659 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,777 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,832 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,888 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,915 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,941 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:10,999 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-12-14 08:49:11,068 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,155 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,203 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:11,421 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:49:11,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:49:11,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:49:11,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:49:11,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-12-14 08:49:11,547 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:11,688 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-12-14 08:49:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:11,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:11,800 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,894 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,927 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:11,999 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,023 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:12,055 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 16 treesize of output 20 [2022-12-14 08:49:12,091 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,126 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,202 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,239 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,527 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,549 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,669 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,795 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,821 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:12,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:12,898 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,947 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:12,976 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,000 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,180 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,213 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,348 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,383 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,419 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,513 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,546 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,646 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,677 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,876 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,903 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,968 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:13,990 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:14,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-12-14 08:49:14,112 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:14,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:14,214 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:14,810 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:14,871 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:15,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-12-14 08:49:15,041 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:15,149 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:15,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:15,385 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:15,434 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:15,595 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:15,626 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:24,719 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 08:49:24,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-12-14 08:49:24,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-12-14 08:49:24,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 08:49:24,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 08:49:29,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:49:30,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:30,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:35,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 20710 treesize of output 14975 [2022-12-14 08:49:36,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20610 treesize of output 20606 [2022-12-14 08:49:41,984 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:49:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:49:42,124 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 16 treesize of output 20 [2022-12-14 08:49:44,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:49:45,181 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 08:49:45,902 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 08:49:47,432 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 08:49:51,311 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-12-14 08:50:36,577 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-12-14 08:50:37,422 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-14 08:50:38,095 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 08:50:39,787 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-12-14 08:50:43,528 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-12-14 08:51:29,099 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-12-14 08:51:29,816 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 21 treesize of output 1 [2022-12-14 08:51:29,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 08:51:29,825 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 21 treesize of output 1 [2022-12-14 08:51:29,838 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 1 [2022-12-14 08:51:29,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:51:29,850 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 1 [2022-12-14 08:51:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:29,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-12-14 08:51:29,904 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 15 treesize of output 11 [2022-12-14 08:51:29,925 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 08:51:29,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 23 [2022-12-14 08:51:29,935 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 15 treesize of output 11 [2022-12-14 08:51:29,959 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 08:51:29,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 08:51:29,982 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 08:51:29,991 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:51:30,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1496535795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:30,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:51:30,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 13 [2022-12-14 08:51:30,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194978667] [2022-12-14 08:51:30,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:30,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:51:30,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:30,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:51:30,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:51:30,387 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 8 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:30,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:30,547 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-12-14 08:51:30,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 08:51:30,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-14 08:51:30,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:30,548 INFO L225 Difference]: With dead ends: 30 [2022-12-14 08:51:30,548 INFO L226 Difference]: Without dead ends: 20 [2022-12-14 08:51:30,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:51:30,549 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:30,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:51:30,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-14 08:51:30,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-14 08:51:30,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-12-14 08:51:30,553 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2022-12-14 08:51:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:30,553 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-12-14 08:51:30,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 08:51:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 08:51:30,553 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:30,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:30,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:51:30,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:51:30,755 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:51:30,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:30,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1091449784, now seen corresponding path program 1 times [2022-12-14 08:51:30,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:30,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693293377] [2022-12-14 08:51:30,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:30,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:51:30,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:30,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693293377] [2022-12-14 08:51:30,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693293377] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:51:30,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619798291] [2022-12-14 08:51:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:30,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:51:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:51:30,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:51:30,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:51:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:31,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:51:31,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:51:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:51:31,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:51:31,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619798291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:31,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:51:31,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 08:51:31,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124530903] [2022-12-14 08:51:31,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:31,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:51:31,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:31,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:51:31,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:31,042 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:31,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:31,066 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-12-14 08:51:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:51:31,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-12-14 08:51:31,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:31,067 INFO L225 Difference]: With dead ends: 33 [2022-12-14 08:51:31,067 INFO L226 Difference]: Without dead ends: 21 [2022-12-14 08:51:31,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:51:31,068 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:31,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:51:31,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-14 08:51:31,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-14 08:51:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-12-14 08:51:31,072 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2022-12-14 08:51:31,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:31,072 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-12-14 08:51:31,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 08:51:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 08:51:31,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:51:31,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:51:31,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:51:31,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:51:31,274 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:51:31,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:51:31,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1013502291, now seen corresponding path program 1 times [2022-12-14 08:51:31,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:51:31,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977601093] [2022-12-14 08:51:31,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:31,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:51:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:51:31,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:51:31,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977601093] [2022-12-14 08:51:31,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977601093] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:51:31,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689045727] [2022-12-14 08:51:31,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:51:31,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:51:31,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:51:31,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:51:31,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:51:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:51:31,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:51:31,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:51:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:51:31,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:51:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:51:31,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689045727] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:51:31,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1582534859] [2022-12-14 08:51:31,520 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-12-14 08:51:31,521 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:51:31,521 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:51:31,521 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:51:31,521 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:51:31,664 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 08:51:31,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-12-14 08:51:31,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-12-14 08:51:31,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 08:51:31,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 08:51:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-12-14 08:51:31,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-12-14 08:51:31,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:51:31,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 190 [2022-12-14 08:51:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,812 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 16 treesize of output 20 [2022-12-14 08:51:31,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:51:31,975 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 21 treesize of output 1 [2022-12-14 08:51:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,087 INFO L321 Elim1Store]: treesize reduction 280, result has 15.4 percent of original size [2022-12-14 08:51:32,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 830 treesize of output 769 [2022-12-14 08:51:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,125 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:51:32,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 819 treesize of output 826 [2022-12-14 08:51:32,296 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 21 treesize of output 1 [2022-12-14 08:51:32,334 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 21 treesize of output 1 [2022-12-14 08:51:32,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 08:51:32,345 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 21 treesize of output 1 [2022-12-14 08:51:32,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:51:32,372 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 1 [2022-12-14 08:51:32,377 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 1 [2022-12-14 08:51:32,418 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 15 treesize of output 11 [2022-12-14 08:51:32,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-12-14 08:51:32,449 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 08:51:32,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 23 [2022-12-14 08:51:32,472 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 08:51:32,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 08:51:32,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 08:51:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-12-14 08:51:32,559 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-12-14 08:51:32,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 66 [2022-12-14 08:51:32,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-12-14 08:51:32,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:32,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:32,640 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-12-14 08:51:32,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-12-14 08:51:32,688 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-12-14 08:51:32,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 57 [2022-12-14 08:51:32,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:32,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:32,745 INFO L321 Elim1Store]: treesize reduction 64, result has 26.4 percent of original size [2022-12-14 08:51:32,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 264 treesize of output 152 [2022-12-14 08:51:32,781 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 08:51:32,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 77 [2022-12-14 08:51:32,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 105 [2022-12-14 08:51:32,877 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 08:51:32,878 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-12-14 08:51:32,903 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-12-14 08:51:32,903 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-12-14 08:51:32,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 08:51:32,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:32,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:33,104 INFO L321 Elim1Store]: treesize reduction 610, result has 5.3 percent of original size [2022-12-14 08:51:33,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 591 treesize of output 437 [2022-12-14 08:51:33,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,159 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 08:51:33,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 314 treesize of output 228 [2022-12-14 08:51:33,219 INFO L321 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-12-14 08:51:33,220 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 199 treesize of output 187 [2022-12-14 08:51:33,303 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-12-14 08:51:33,304 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 3 case distinctions, treesize of input 182 treesize of output 219 [2022-12-14 08:51:33,402 INFO L321 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2022-12-14 08:51:33,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 191 treesize of output 242 [2022-12-14 08:51:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,463 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 08:51:33,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 61 [2022-12-14 08:51:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:33,910 INFO L321 Elim1Store]: treesize reduction 209, result has 14.0 percent of original size [2022-12-14 08:51:33,910 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 1100 treesize of output 1045 [2022-12-14 08:51:33,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:33,963 INFO L321 Elim1Store]: treesize reduction 154, result has 13.0 percent of original size [2022-12-14 08:51:33,964 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 1100 treesize of output 868 [2022-12-14 08:51:33,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:33,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,010 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-12-14 08:51:34,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 971 treesize of output 973 [2022-12-14 08:51:34,377 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 08:51:34,378 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-12-14 08:51:34,403 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-12-14 08:51:34,403 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-12-14 08:51:34,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:51:34,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,542 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 08:51:34,543 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 08:51:34,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:34,574 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 08:51:34,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-12-14 08:51:34,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:34,604 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 08:51:34,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-12-14 08:51:34,615 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 14 treesize of output 13 [2022-12-14 08:51:34,624 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 28 treesize of output 17 [2022-12-14 08:51:34,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,705 INFO L321 Elim1Store]: treesize reduction 96, result has 39.6 percent of original size [2022-12-14 08:51:34,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 229 treesize of output 170 [2022-12-14 08:51:34,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,753 INFO L321 Elim1Store]: treesize reduction 64, result has 42.3 percent of original size [2022-12-14 08:51:34,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 124 [2022-12-14 08:51:34,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 08:51:34,845 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 08:51:34,845 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-12-14 08:51:34,872 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-12-14 08:51:34,872 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-12-14 08:51:34,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 08:51:34,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:34,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:35,017 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-12-14 08:51:35,017 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-12-14 08:51:35,026 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 14 treesize of output 13 [2022-12-14 08:51:35,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:35,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:35,061 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 08:51:35,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-12-14 08:51:35,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:35,097 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-14 08:51:35,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-12-14 08:51:35,109 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 28 treesize of output 17 [2022-12-14 08:51:35,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:35,208 INFO L321 Elim1Store]: treesize reduction 108, result has 39.0 percent of original size [2022-12-14 08:51:35,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 244 treesize of output 191 [2022-12-14 08:51:35,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:51:35,255 INFO L321 Elim1Store]: treesize reduction 70, result has 40.2 percent of original size [2022-12-14 08:51:35,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 140 [2022-12-14 08:51:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:51:35,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 08:51:35,357 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-12-14 08:51:35,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-12-14 08:51:35,386 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-12-14 08:51:35,386 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-12-14 08:51:35,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 08:51:35,420 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-12-14 08:51:35,426 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:51:36,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1582534859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:51:36,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:51:36,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 3, 4] total 16 [2022-12-14 08:51:36,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315019826] [2022-12-14 08:51:36,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:51:36,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 08:51:36,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:51:36,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 08:51:36,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-12-14 08:51:36,033 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 11 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:51:36,249 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-14 08:51:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 08:51:36,250 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-12-14 08:51:36,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:51:36,250 INFO L225 Difference]: With dead ends: 21 [2022-12-14 08:51:36,250 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:51:36,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-12-14 08:51:36,251 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:51:36,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:51:36,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:51:36,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:51:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:51:36,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:51:36,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-12-14 08:51:36,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:51:36,251 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:51:36,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:51:36,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:51:36,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:51:36,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:51:36,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 08:51:36,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:51:36,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 08:51:36,799 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1377) no Hoare annotation was computed. [2022-12-14 08:51:36,799 INFO L899 garLoopResultBuilder]: For program point L1357-1(lines 1357 1377) no Hoare annotation was computed. [2022-12-14 08:51:36,799 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-12-14 08:51:36,799 INFO L902 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: true [2022-12-14 08:51:36,799 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= ~bb_errno~0.base 10) (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-12-14 08:51:36,799 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1492) no Hoare annotation was computed. [2022-12-14 08:51:36,799 INFO L899 garLoopResultBuilder]: For program point L1359(lines 1359 1376) no Hoare annotation was computed. [2022-12-14 08:51:36,799 INFO L902 garLoopResultBuilder]: At program point __main_returnLabel#1(lines 1324 1420) the Hoare annotation is: true [2022-12-14 08:51:36,799 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1375) no Hoare annotation was computed. [2022-12-14 08:51:36,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L895 garLoopResultBuilder]: At program point L1611-3(lines 1611 1612) the Hoare annotation is: (and (<= ~bb_errno~0.base 10) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~4#1| 2147483647) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 1453) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L902 garLoopResultBuilder]: At program point L1446-1(lines 1446 1453) the Hoare annotation is: true [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1364(lines 1364 1374) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1447-1(lines 1447 1453) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L902 garLoopResultBuilder]: At program point L1447-4(lines 1447 1453) the Hoare annotation is: true [2022-12-14 08:51:36,800 INFO L895 garLoopResultBuilder]: At program point L1596-3(lines 1596 1597) the Hoare annotation is: (and (<= ~bb_errno~0.base 10) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 10 ~bb_errno~0.base) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= 11 |~#dummy_utmp~0.base|) (= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (= ~applet_name~0.base 0) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0)) [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1494) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 1482 1494) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L902 garLoopResultBuilder]: At program point full_write_returnLabel#1(lines 1462 1479) the Hoare annotation is: true [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1367(lines 1367 1373) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L902 garLoopResultBuilder]: At program point L1466-3(lines 1466 1477) the Hoare annotation is: true [2022-12-14 08:51:36,800 INFO L895 garLoopResultBuilder]: At program point L1334(lines 1334 1392) the Hoare annotation is: (let ((.cse0 (+ 8 |ULTIMATE.start___main_~argv#1.offset|))) (and (<= ~bb_errno~0.base 10) (= |ULTIMATE.start___main_#in~argv#1.offset| |ULTIMATE.start_main_~argv~0#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (= |ULTIMATE.start___main_#t~mem41#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start___main_~argv#1.base|) .cse0)) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (not (< |ULTIMATE.start_main_~i~4#1| |ULTIMATE.start_main_~argc~0#1|)) (= |~#bb_errno_location~0.base| 10) (= |ULTIMATE.start___main_~argv#1.base| |ULTIMATE.start___main_#in~argv#1.base|) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (= |ULTIMATE.start___main_#in~argc#1| |ULTIMATE.start_main_~argc~0#1|) (= |ULTIMATE.start___main_~argc#1| |ULTIMATE.start___main_#in~argc#1|) (<= 10 |ULTIMATE.start_main_~i~3#1|) (= |ULTIMATE.start_main_~argv~0#1.base| |ULTIMATE.start___main_#in~argv#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start___main_~argv#1.base|) .cse0) |ULTIMATE.start___main_#t~mem41#1.base|) (= |ULTIMATE.start___main_#in~argv#1.offset| |ULTIMATE.start___main_~argv#1.offset|) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|))) [2022-12-14 08:51:36,800 INFO L899 garLoopResultBuilder]: For program point L1334-1(lines 1325 1420) no Hoare annotation was computed. [2022-12-14 08:51:36,800 INFO L902 garLoopResultBuilder]: At program point L1615-3(lines 1615 1616) the Hoare annotation is: true [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1351-1(lines 1351 1385) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1493) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1501-1(lines 1501 1509) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L902 garLoopResultBuilder]: At program point L1501-3(lines 1501 1509) the Hoare annotation is: true [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1372) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L902 garLoopResultBuilder]: At program point L1501-4(lines 1501 1509) the Hoare annotation is: true [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1469(lines 1469 1474) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1371) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#bb_errno_location~0.base|) |~#bb_errno_location~0.offset|))) (and (<= ~bb_errno~0.base 10) (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= .cse0 2147483647) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 (+ .cse0 2147483648)) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (= 11 |~#dummy_utmp~0.base|) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0))) [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1371(line 1371) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point L1338-2(lines 1335 1392) no Hoare annotation was computed. [2022-12-14 08:51:36,801 INFO L902 garLoopResultBuilder]: At program point last_char_is_returnLabel#1(lines 1480 1496) the Hoare annotation is: true [2022-12-14 08:51:36,801 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2022-12-14 08:51:36,801 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-12-14 08:51:36,803 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 08:51:36,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:51:36,820 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:51:36,821 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 08:51:36,823 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:51:36,823 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 08:51:36,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:51:36 BoogieIcfgContainer [2022-12-14 08:51:36,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:51:36,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:51:36,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:51:36,826 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:51:36,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:49:06" (3/4) ... [2022-12-14 08:51:36,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:51:36,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 08:51:36,841 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-12-14 08:51:36,842 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 08:51:36,843 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 08:51:36,844 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 08:51:36,845 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:51:36,846 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:51:36,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((bb_errno <= 10 && argv == argv) && 0 <= argc + 2147483648) && bb_errno_location == 0) && a == 0) && optind == 1) && 1l + argv == #memory_$Pointer$[argv][8 + argv]) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && !(i < argc)) && bb_errno_location == 10) && argv == argv) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && \old(argc) == argc) && argc == \old(argc)) && 10 <= i) && argv == argv) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #memory_$Pointer$[argv][8 + argv] == 1l + argv) && argv == argv) && #NULL == 0) && 0 <= i [2022-12-14 08:51:36,905 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:51:36,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:51:36,906 INFO L158 Benchmark]: Toolchain (without parser) took 152200.33ms. Allocated memory was 146.8MB in the beginning and 589.3MB in the end (delta: 442.5MB). Free memory was 110.5MB in the beginning and 369.9MB in the end (delta: -259.3MB). Peak memory consumption was 185.8MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,906 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:51:36,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.58ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 65.7MB in the end (delta: 44.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.38ms. Allocated memory is still 146.8MB. Free memory was 65.7MB in the beginning and 62.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,907 INFO L158 Benchmark]: Boogie Preprocessor took 48.64ms. Allocated memory is still 146.8MB. Free memory was 61.5MB in the beginning and 58.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,907 INFO L158 Benchmark]: RCFGBuilder took 690.93ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 58.0MB in the beginning and 122.6MB in the end (delta: -64.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,907 INFO L158 Benchmark]: TraceAbstraction took 150779.54ms. Allocated memory was 195.0MB in the beginning and 589.3MB in the end (delta: 394.3MB). Free memory was 121.6MB in the beginning and 376.3MB in the end (delta: -254.8MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,908 INFO L158 Benchmark]: Witness Printer took 79.87ms. Allocated memory is still 589.3MB. Free memory was 376.3MB in the beginning and 369.9MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 08:51:36,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.58ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 65.7MB in the end (delta: 44.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.38ms. Allocated memory is still 146.8MB. Free memory was 65.7MB in the beginning and 62.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.64ms. Allocated memory is still 146.8MB. Free memory was 61.5MB in the beginning and 58.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.93ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 58.0MB in the beginning and 122.6MB in the end (delta: -64.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 150779.54ms. Allocated memory was 195.0MB in the beginning and 589.3MB in the end (delta: 394.3MB). Free memory was 121.6MB in the beginning and 376.3MB in the end (delta: -254.8MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Witness Printer took 79.87ms. Allocated memory is still 589.3MB. Free memory was 376.3MB in the beginning and 369.9MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1371]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 150.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 67 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 20 PreInvPairs, 38 NumberOfFragments, 373 HoareAnnotationTreeSize, 20 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 504 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1205 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 9/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 147.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 18, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME: 41.6s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME: 41.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 19.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 104, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME: 105.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 18, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME: 128.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 128.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 388, DAG_COMPRESSION_RETAINED_NODES: 100, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: (((((((((((((((((((((bb_errno <= 10 && bb_errno_location == 0) && a == 0) && optind == 1) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && 0 <= argc) && 0 <= j) && bb_errno_location == 10) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && i <= 2147483647) && 10 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1596]: Loop Invariant Derived loop invariant: (((((((((((((bb_errno <= 10 && bb_errno_location == 0) && a == 0) && 10 <= bb_errno) && bb_errno_location == 10) && bb_errno <= 0) && 11 == dummy_utmp) && applet_name == 0) && #NULL == 0) && dummy_utmp == 0) && 0 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && applet_name == 0) && 0 <= bb_errno) && #NULL == 0 - InvariantResult [Line: 1480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1606]: Loop Invariant Derived loop invariant: (((((((((((((((((((bb_errno <= 10 && 0 <= argc + 2147483648) && bb_errno_location == 0) && a == 0) && optind == 1) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && bb_errno_location == 10) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && 10 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1334]: Loop Invariant [2022-12-14 08:51:36,918 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:51:36,918 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-12-14 08:51:36,919 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-12-14 08:51:36,919 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((((((((((((((((((bb_errno <= 10 && argv == argv) && 0 <= argc + 2147483648) && bb_errno_location == 0) && a == 0) && optind == 1) && 1l + argv == #memory_$Pointer$[argv][8 + argv]) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && !(i < argc)) && bb_errno_location == 10) && argv == argv) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && \old(argc) == argc) && argc == \old(argc)) && 10 <= i) && argv == argv) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #memory_$Pointer$[argv][8 + argv] == 1l + argv) && argv == argv) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1446]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 08:51:36,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cebc0727-2830-4631-a1d3-c225c9e26dd9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE