./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/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_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:59:46,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:59:46,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:59:46,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:59:46,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:59:46,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:59:46,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:59:46,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:59:46,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:59:46,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:59:46,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:59:46,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:59:46,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:59:46,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:59:46,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:59:46,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:59:46,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:59:46,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:59:46,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:59:46,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:59:46,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:59:46,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:59:46,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:59:46,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:59:46,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:59:46,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:59:46,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:59:46,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:59:46,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:59:46,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:59:46,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:59:46,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:59:46,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:59:46,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:59:46,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:59:46,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:59:46,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:59:46,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:59:46,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:59:46,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:59:46,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:59:46,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:59:46,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:59:46,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:59:46,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:59:46,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:59:46,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:59:46,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:59:46,276 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:59:46,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:59:46,276 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:59:46,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:59:46,278 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:59:46,278 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:59:46,279 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:59:46,279 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:59:46,279 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:59:46,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:59:46,280 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:59:46,280 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:59:46,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:59:46,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:59:46,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:59:46,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:59:46,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:59:46,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:59:46,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:59:46,282 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:59:46,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:59:46,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:59:46,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:59:46,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:46,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:59:46,285 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:59:46,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:59:46,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:59:46,285 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:59:46,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:59:46,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:59:46,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:59:46,286 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_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-11-26 00:59:46,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:59:46,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:59:46,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:59:46,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:59:46,646 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:59:46,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-26 00:59:49,850 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:59:50,170 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:59:50,170 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-26 00:59:50,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/data/6ee4d1c9e/a59874e8321e4c1aa094a2c58d0f1e75/FLAGb00593a56 [2022-11-26 00:59:50,209 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/data/6ee4d1c9e/a59874e8321e4c1aa094a2c58d0f1e75 [2022-11-26 00:59:50,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:59:50,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:59:50,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:50,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:59:50,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:59:50,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:50" (1/1) ... [2022-11-26 00:59:50,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71875aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:50, skipping insertion in model container [2022-11-26 00:59:50,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:50" (1/1) ... [2022-11-26 00:59:50,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:59:50,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:59:50,882 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_561256e1-3314-40ed-9054-e77b8ba6653d/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-26 00:59:50,895 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:59:50,905 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-26 00:59:50,917 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-11-26 00:59:50,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:59:50,945 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:59:51,001 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_561256e1-3314-40ed-9054-e77b8ba6653d/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-26 00:59:51,011 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:59:51,026 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-26 00:59:51,038 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-11-26 00:59:51,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:59:51,224 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:59:51,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51 WrapperNode [2022-11-26 00:59:51,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:51,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:59:51,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:59:51,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:59:51,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,321 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 350 [2022-11-26 00:59:51,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:59:51,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:59:51,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:59:51,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:59:51,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:59:51,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:59:51,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:59:51,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:59:51,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (1/1) ... [2022-11-26 00:59:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:51,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:51,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:59:51,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:59:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:59:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:59:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:59:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:59:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:59:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:59:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:59:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-26 00:59:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:59:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:59:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:59:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:59:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:59:51,964 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:59:51,967 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:59:52,461 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:59:52,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:59:52,600 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-26 00:59:52,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:52 BoogieIcfgContainer [2022-11-26 00:59:52,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:59:52,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:59:52,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:59:52,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:59:52,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:59:50" (1/3) ... [2022-11-26 00:59:52,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f02d990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:59:52, skipping insertion in model container [2022-11-26 00:59:52,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:51" (2/3) ... [2022-11-26 00:59:52,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f02d990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:59:52, skipping insertion in model container [2022-11-26 00:59:52,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:52" (3/3) ... [2022-11-26 00:59:52,613 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-11-26 00:59:52,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:59:52,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:59:52,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:59:52,694 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;@68933be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:59:52,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:59:52,699 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) [2022-11-26 00:59:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:59:52,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:52,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:52,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:59:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1824754057, now seen corresponding path program 1 times [2022-11-26 00:59:52,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:52,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114312112] [2022-11-26 00:59:52,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:53,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:53,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114312112] [2022-11-26 00:59:53,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114312112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:53,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:53,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:59:53,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595644685] [2022-11-26 00:59:53,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:53,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:59:53,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:53,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:59:53,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:53,413 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) [2022-11-26 00:59:53,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:53,510 INFO L93 Difference]: Finished difference Result 83 states and 131 transitions. [2022-11-26 00:59:53,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:59:53,513 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 [2022-11-26 00:59:53,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:53,520 INFO L225 Difference]: With dead ends: 83 [2022-11-26 00:59:53,520 INFO L226 Difference]: Without dead ends: 19 [2022-11-26 00:59:53,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:53,530 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:53,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:59:53,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-26 00:59:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-26 00:59:53,572 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) [2022-11-26 00:59:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-26 00:59:53,577 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-11-26 00:59:53,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:53,577 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-26 00:59:53,578 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) [2022-11-26 00:59:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-26 00:59:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:59:53,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:53,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:53,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:59:53,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:59:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:53,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1892865227, now seen corresponding path program 1 times [2022-11-26 00:59:53,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:53,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205905177] [2022-11-26 00:59:53,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:53,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:53,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:53,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205905177] [2022-11-26 00:59:53,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205905177] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:59:53,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615947997] [2022-11-26 00:59:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:53,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:59:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:59:53,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:59:53,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:59:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:54,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:59:54,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:54,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:59:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:59:54,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615947997] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:59:54,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2044200006] [2022-11-26 00:59:54,181 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-26 00:59:54,181 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:59:54,187 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:59:54,196 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:59:54,197 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:59:54,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:59:55,003 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-26 00:59:55,004 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 [2022-11-26 00:59:55,440 INFO L321 Elim1Store]: treesize reduction 48, result has 59.0 percent of original size [2022-11-26 00:59:55,441 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 [2022-11-26 00:59:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:59:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:59:56,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:59:56,327 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 [2022-11-26 00:59:56,359 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:56,600 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:56,640 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:57,154 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:57,191 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:57,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:57,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:58,036 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:58,179 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:59,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:59,407 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:59:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:59:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:59:59,598 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 [2022-11-26 00:59:59,638 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:59,895 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:59:59,938 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:00,217 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:00,258 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:00,564 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:00,600 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:00,870 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:00,967 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,128 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,218 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,303 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,349 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,472 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,517 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 [2022-11-26 01:00:01,578 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,720 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:01,801 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:02,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,140 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 [2022-11-26 01:00:02,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:02,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:00:02,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:00:02,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:00:02,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:00:02,322 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 [2022-11-26 01:00:02,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,549 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 [2022-11-26 01:00:02,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:02,667 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 [2022-11-26 01:00:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:02,729 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 [2022-11-26 01:00:02,774 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:02,918 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,019 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,116 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,155 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:03,201 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 [2022-11-26 01:00:03,256 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,310 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,434 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,487 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,905 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:03,947 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,132 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,412 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:04,552 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 [2022-11-26 01:00:04,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,675 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,719 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:04,757 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,002 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,218 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,254 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,341 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,573 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,706 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:05,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,019 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,077 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,162 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,194 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:06,342 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 [2022-11-26 01:00:06,388 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,495 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:06,534 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:07,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:07,399 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:07,590 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 [2022-11-26 01:00:07,644 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:07,798 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:07,865 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:08,126 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:08,178 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:08,388 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:08,430 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:20,574 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 01:00:20,575 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 [2022-11-26 01:00:20,652 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 [2022-11-26 01:00:20,716 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 [2022-11-26 01:00:20,765 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 [2022-11-26 01:00:26,436 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 [2022-11-26 01:00:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:27,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:33,842 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 [2022-11-26 01:00:34,779 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 [2022-11-26 01:00:41,531 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 01:00:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:00:41,696 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 [2022-11-26 01:00:44,949 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 [2022-11-26 01:00:45,686 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 01:00:46,653 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 01:00:48,684 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 01:00:53,365 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-11-26 01:01:51,682 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-11-26 01:01:52,705 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 01:01:53,486 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 01:01:55,387 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 01:02:00,120 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-11-26 01:02:59,095 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-11-26 01:03:00,186 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 [2022-11-26 01:03:00,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 01:03:00,207 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 [2022-11-26 01:03:00,228 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 [2022-11-26 01:03:00,241 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 [2022-11-26 01:03:00,250 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 [2022-11-26 01:03:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:00,340 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 [2022-11-26 01:03:00,353 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 [2022-11-26 01:03:00,384 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 01:03:00,385 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 [2022-11-26 01:03:00,399 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 [2022-11-26 01:03:00,435 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-26 01:03:00,436 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 [2022-11-26 01:03:00,468 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 01:03:00,479 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:01,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2044200006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:01,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:01,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 13 [2022-11-26 01:03:01,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034609292] [2022-11-26 01:03:01,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:01,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:03:01,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:01,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:03:01,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-26 01:03:01,185 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) [2022-11-26 01:03:01,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:01,505 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-26 01:03:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 01:03:01,508 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 [2022-11-26 01:03:01,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:01,509 INFO L225 Difference]: With dead ends: 30 [2022-11-26 01:03:01,509 INFO L226 Difference]: Without dead ends: 20 [2022-11-26 01:03:01,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-26 01:03:01,510 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:01,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:03:01,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-26 01:03:01,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-26 01:03:01,518 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) [2022-11-26 01:03:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-11-26 01:03:01,518 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2022-11-26 01:03:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:01,519 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-26 01:03:01,519 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) [2022-11-26 01:03:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-26 01:03:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 01:03:01,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:01,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:01,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 01:03:01,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:01,728 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:03:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:01,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1935921655, now seen corresponding path program 1 times [2022-11-26 01:03:01,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:01,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532500669] [2022-11-26 01:03:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:01,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:03:01,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:01,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532500669] [2022-11-26 01:03:01,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532500669] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:01,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459448128] [2022-11-26 01:03:01,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:01,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:01,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:01,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:03:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:02,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:03:02,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 01:03:02,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:03:02,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459448128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:02,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:03:02,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-26 01:03:02,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282292722] [2022-11-26 01:03:02,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:02,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:03:02,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:02,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:03:02,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:03:02,263 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) [2022-11-26 01:03:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:02,294 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-26 01:03:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:03:02,295 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 [2022-11-26 01:03:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:02,296 INFO L225 Difference]: With dead ends: 33 [2022-11-26 01:03:02,296 INFO L226 Difference]: Without dead ends: 21 [2022-11-26 01:03:02,296 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 [2022-11-26 01:03:02,297 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 [2022-11-26 01:03:02,298 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] [2022-11-26 01:03:02,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-26 01:03:02,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-26 01:03:02,303 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) [2022-11-26 01:03:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-26 01:03:02,304 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2022-11-26 01:03:02,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:02,305 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-26 01:03:02,305 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) [2022-11-26 01:03:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-26 01:03:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 01:03:02,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:02,306 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] [2022-11-26 01:03:02,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:02,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:02,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:03:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash 604678066, now seen corresponding path program 1 times [2022-11-26 01:03:02,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:02,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404372781] [2022-11-26 01:03:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:03:02,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:02,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404372781] [2022-11-26 01:03:02,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404372781] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:03:02,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356167170] [2022-11-26 01:03:02,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:02,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:02,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:02,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:03:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:03:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:02,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:03:02,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:03:02,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:03:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:03:02,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356167170] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:03:02,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [255027325] [2022-11-26 01:03:02,964 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-26 01:03:02,965 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:03:02,965 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:03:02,965 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:03:02,966 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:03:03,240 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 01:03:03,241 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 [2022-11-26 01:03:03,269 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 [2022-11-26 01:03:03,291 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 [2022-11-26 01:03:03,301 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 [2022-11-26 01:03:03,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,320 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 [2022-11-26 01:03:03,335 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 [2022-11-26 01:03:03,455 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 [2022-11-26 01:03:03,487 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 [2022-11-26 01:03:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,510 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 [2022-11-26 01:03:03,560 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 [2022-11-26 01:03:03,794 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 [2022-11-26 01:03:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:03,961 INFO L321 Elim1Store]: treesize reduction 280, result has 15.4 percent of original size [2022-11-26 01:03:03,962 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 [2022-11-26 01:03:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,013 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 01:03:04,013 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 [2022-11-26 01:03:04,324 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 [2022-11-26 01:03:04,396 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 [2022-11-26 01:03:04,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 01:03:04,411 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 [2022-11-26 01:03:04,431 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 [2022-11-26 01:03:04,440 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 [2022-11-26 01:03:04,446 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 [2022-11-26 01:03:04,517 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 [2022-11-26 01:03:04,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,532 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 [2022-11-26 01:03:04,566 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 01:03:04,567 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 [2022-11-26 01:03:04,602 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-26 01:03:04,603 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 [2022-11-26 01:03:04,619 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 [2022-11-26 01:03:04,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,677 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 [2022-11-26 01:03:04,735 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 01:03:04,736 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 [2022-11-26 01:03:04,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:04,777 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 [2022-11-26 01:03:04,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:04,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:04,858 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 01:03:04,859 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 [2022-11-26 01:03:04,949 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 01:03:04,950 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 [2022-11-26 01:03:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,043 INFO L321 Elim1Store]: treesize reduction 64, result has 26.4 percent of original size [2022-11-26 01:03:05,044 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 [2022-11-26 01:03:05,099 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 01:03:05,099 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 [2022-11-26 01:03:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,132 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 [2022-11-26 01:03:05,225 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 01:03:05,226 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 [2022-11-26 01:03:05,264 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-26 01:03:05,265 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 [2022-11-26 01:03:05,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 01:03:05,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,593 INFO L321 Elim1Store]: treesize reduction 610, result has 5.3 percent of original size [2022-11-26 01:03:05,594 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 [2022-11-26 01:03:05,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:05,674 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 01:03:05,674 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 [2022-11-26 01:03:05,754 INFO L321 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-11-26 01:03:05,755 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 [2022-11-26 01:03:05,868 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-26 01:03:05,868 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 [2022-11-26 01:03:06,003 INFO L321 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2022-11-26 01:03:06,003 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 [2022-11-26 01:03:06,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,092 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 01:03:06,093 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 [2022-11-26 01:03:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:06,784 INFO L321 Elim1Store]: treesize reduction 209, result has 14.0 percent of original size [2022-11-26 01:03:06,785 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 [2022-11-26 01:03:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:06,888 INFO L321 Elim1Store]: treesize reduction 154, result has 13.0 percent of original size [2022-11-26 01:03:06,888 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 [2022-11-26 01:03:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:06,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:06,962 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 01:03:06,963 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 [2022-11-26 01:03:07,496 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 01:03:07,496 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 [2022-11-26 01:03:07,536 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-26 01:03:07,537 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 [2022-11-26 01:03:07,548 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 [2022-11-26 01:03:07,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:07,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:07,757 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 01:03:07,757 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 [2022-11-26 01:03:07,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:07,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:07,807 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 01:03:07,807 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 [2022-11-26 01:03:07,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:07,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:07,855 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 01:03:07,855 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 [2022-11-26 01:03:07,869 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 [2022-11-26 01:03:07,882 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 [2022-11-26 01:03:07,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,000 INFO L321 Elim1Store]: treesize reduction 96, result has 39.6 percent of original size [2022-11-26 01:03:08,001 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 [2022-11-26 01:03:08,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,069 INFO L321 Elim1Store]: treesize reduction 64, result has 42.3 percent of original size [2022-11-26 01:03:08,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 124 [2022-11-26 01:03:08,086 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 [2022-11-26 01:03:08,209 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 01:03:08,209 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 [2022-11-26 01:03:08,248 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-26 01:03:08,249 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 [2022-11-26 01:03:08,260 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 [2022-11-26 01:03:08,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,461 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 01:03:08,461 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 [2022-11-26 01:03:08,480 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 [2022-11-26 01:03:08,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,528 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 01:03:08,528 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 [2022-11-26 01:03:08,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,579 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 01:03:08,579 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 [2022-11-26 01:03:08,594 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 [2022-11-26 01:03:08,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,729 INFO L321 Elim1Store]: treesize reduction 108, result has 39.0 percent of original size [2022-11-26 01:03:08,729 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 [2022-11-26 01:03:08,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:03:08,799 INFO L321 Elim1Store]: treesize reduction 70, result has 40.2 percent of original size [2022-11-26 01:03:08,799 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 [2022-11-26 01:03:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:03:08,819 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 [2022-11-26 01:03:08,960 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 01:03:08,960 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 [2022-11-26 01:03:09,001 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-26 01:03:09,001 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 [2022-11-26 01:03:09,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 01:03:09,040 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 01:03:09,051 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 01:03:10,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [255027325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:10,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:03:10,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 3, 4] total 16 [2022-11-26 01:03:10,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639993756] [2022-11-26 01:03:10,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:10,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:03:10,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:10,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:03:10,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-26 01:03:10,192 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) [2022-11-26 01:03:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:10,541 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-26 01:03:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 01:03:10,542 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 [2022-11-26 01:03:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:10,542 INFO L225 Difference]: With dead ends: 21 [2022-11-26 01:03:10,542 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:03:10,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-11-26 01:03:10,543 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:10,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:03:10,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:03:10,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:03:10,545 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) [2022-11-26 01:03:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:03:10,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-26 01:03:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:10,545 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:03:10,546 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) [2022-11-26 01:03:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:03:10,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:03:10,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 01:03:10,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-26 01:03:10,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:03:10,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 01:03:11,288 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1377) no Hoare annotation was computed. [2022-11-26 01:03:11,288 INFO L899 garLoopResultBuilder]: For program point L1357-1(lines 1357 1377) no Hoare annotation was computed. [2022-11-26 01:03:11,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 01:03:11,289 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-26 01:03:11,289 INFO L902 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: true [2022-11-26 01:03:11,289 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|)) [2022-11-26 01:03:11,290 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1492) no Hoare annotation was computed. [2022-11-26 01:03:11,291 INFO L899 garLoopResultBuilder]: For program point L1359(lines 1359 1376) no Hoare annotation was computed. [2022-11-26 01:03:11,291 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1375) no Hoare annotation was computed. [2022-11-26 01:03:11,291 INFO L902 garLoopResultBuilder]: At program point L1478(lines 1462 1479) the Hoare annotation is: true [2022-11-26 01:03:11,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 01:03:11,291 INFO L902 garLoopResultBuilder]: At program point L1495(lines 1480 1496) the Hoare annotation is: true [2022-11-26 01:03:11,291 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|)) [2022-11-26 01:03:11,291 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 1453) no Hoare annotation was computed. [2022-11-26 01:03:11,291 INFO L902 garLoopResultBuilder]: At program point L1446-1(lines 1446 1453) the Hoare annotation is: true [2022-11-26 01:03:11,292 INFO L899 garLoopResultBuilder]: For program point L1364(lines 1364 1374) no Hoare annotation was computed. [2022-11-26 01:03:11,292 INFO L899 garLoopResultBuilder]: For program point L1447-1(lines 1447 1453) no Hoare annotation was computed. [2022-11-26 01:03:11,292 INFO L902 garLoopResultBuilder]: At program point L1447-4(lines 1447 1453) the Hoare annotation is: true [2022-11-26 01:03:11,292 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)) [2022-11-26 01:03:11,292 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1494) no Hoare annotation was computed. [2022-11-26 01:03:11,292 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 1482 1494) no Hoare annotation was computed. [2022-11-26 01:03:11,293 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2022-11-26 01:03:11,293 INFO L899 garLoopResultBuilder]: For program point L1367(lines 1367 1373) no Hoare annotation was computed. [2022-11-26 01:03:11,293 INFO L902 garLoopResultBuilder]: At program point L1466-3(lines 1466 1477) the Hoare annotation is: true [2022-11-26 01:03:11,293 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|))) [2022-11-26 01:03:11,293 INFO L899 garLoopResultBuilder]: For program point L1334-1(lines 1325 1420) no Hoare annotation was computed. [2022-11-26 01:03:11,294 INFO L902 garLoopResultBuilder]: At program point L1615-3(lines 1615 1616) the Hoare annotation is: true [2022-11-26 01:03:11,295 INFO L899 garLoopResultBuilder]: For program point L1351-1(lines 1351 1385) no Hoare annotation was computed. [2022-11-26 01:03:11,295 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1493) no Hoare annotation was computed. [2022-11-26 01:03:11,295 INFO L899 garLoopResultBuilder]: For program point L1501-1(lines 1501 1509) no Hoare annotation was computed. [2022-11-26 01:03:11,295 INFO L902 garLoopResultBuilder]: At program point L1501-3(lines 1501 1509) the Hoare annotation is: true [2022-11-26 01:03:11,295 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1372) no Hoare annotation was computed. [2022-11-26 01:03:11,295 INFO L902 garLoopResultBuilder]: At program point L1501-4(lines 1501 1509) the Hoare annotation is: true [2022-11-26 01:03:11,295 INFO L902 garLoopResultBuilder]: At program point L1419(lines 1324 1420) the Hoare annotation is: true [2022-11-26 01:03:11,296 INFO L899 garLoopResultBuilder]: For program point L1469(lines 1469 1474) no Hoare annotation was computed. [2022-11-26 01:03:11,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1371) no Hoare annotation was computed. [2022-11-26 01:03:11,296 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))) [2022-11-26 01:03:11,296 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-26 01:03:11,296 INFO L899 garLoopResultBuilder]: For program point L1371(line 1371) no Hoare annotation was computed. [2022-11-26 01:03:11,297 INFO L899 garLoopResultBuilder]: For program point L1338-2(lines 1335 1392) no Hoare annotation was computed. [2022-11-26 01:03:11,297 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2022-11-26 01:03:11,297 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-11-26 01:03:11,300 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-26 01:03:11,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:03:11,322 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-26 01:03:11,324 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-26 01:03:11,326 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-26 01:03:11,326 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-26 01:03:11,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:03:11 BoogieIcfgContainer [2022-11-26 01:03:11,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:03:11,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:03:11,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:03:11,330 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:03:11,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:59:52" (3/4) ... [2022-11-26 01:03:11,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:03:11,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-26 01:03:11,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-11-26 01:03:11,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-26 01:03:11,350 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-26 01:03:11,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 01:03:11,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:03:11,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:03:11,381 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 [2022-11-26 01:03:11,414 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:03:11,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:03:11,432 INFO L158 Benchmark]: Toolchain (without parser) took 201217.92ms. Allocated memory was 157.3MB in the beginning and 1.0GB in the end (delta: 878.7MB). Free memory was 109.7MB in the beginning and 986.4MB in the end (delta: -876.7MB). Peak memory consumption was 620.3MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,432 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 103.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:11,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1009.95ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 109.7MB in the beginning and 194.9MB in the end (delta: -85.2MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.19ms. Allocated memory is still 230.7MB. Free memory was 194.9MB in the beginning and 190.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,433 INFO L158 Benchmark]: Boogie Preprocessor took 103.16ms. Allocated memory is still 230.7MB. Free memory was 190.7MB in the beginning and 186.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,433 INFO L158 Benchmark]: RCFGBuilder took 1176.27ms. Allocated memory is still 230.7MB. Free memory was 186.5MB in the beginning and 134.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,434 INFO L158 Benchmark]: TraceAbstraction took 198723.09ms. Allocated memory was 230.7MB in the beginning and 1.0GB in the end (delta: 805.3MB). Free memory was 133.0MB in the beginning and 377.0MB in the end (delta: -244.0MB). Peak memory consumption was 561.3MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,434 INFO L158 Benchmark]: Witness Printer took 101.68ms. Allocated memory is still 1.0GB. Free memory was 376.0MB in the beginning and 986.4MB in the end (delta: -610.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-26 01:03:11,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 103.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1009.95ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 109.7MB in the beginning and 194.9MB in the end (delta: -85.2MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.19ms. Allocated memory is still 230.7MB. Free memory was 194.9MB in the beginning and 190.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.16ms. Allocated memory is still 230.7MB. Free memory was 190.7MB in the beginning and 186.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1176.27ms. Allocated memory is still 230.7MB. Free memory was 186.5MB in the beginning and 134.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 198723.09ms. Allocated memory was 230.7MB in the beginning and 1.0GB in the end (delta: 805.3MB). Free memory was 133.0MB in the beginning and 377.0MB in the end (delta: -244.0MB). Peak memory consumption was 561.3MB. Max. memory is 16.1GB. * Witness Printer took 101.68ms. Allocated memory is still 1.0GB. Free memory was 376.0MB in the beginning and 986.4MB in the end (delta: -610.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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: 198.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.5s 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, 2.0s 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, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s 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: 192.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 18, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME: 56.7s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME: 56.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 26.9s, 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: 135.2s, 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: 164.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 164.1s, 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: 1462]: 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: 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: 1324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1334]: Loop Invariant [2022-11-26 01:03:11,449 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-26 01:03:11,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-26 01:03:11,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-26 01:03:11,451 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: 1466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1446]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-26 01:03:11,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561256e1-3314-40ed-9054-e77b8ba6653d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE