./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/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_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:53:05,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:53:05,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:53:06,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:53:06,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:53:06,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:53:06,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:53:06,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:53:06,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:53:06,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:53:06,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:53:06,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:53:06,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:53:06,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:53:06,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:53:06,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:53:06,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:53:06,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:53:06,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:53:06,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:53:06,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:53:06,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:53:06,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:53:06,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:53:06,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:53:06,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:53:06,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:53:06,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:53:06,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:53:06,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:53:06,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:53:06,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:53:06,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:53:06,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:53:06,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:53:06,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:53:06,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:53:06,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:53:06,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:53:06,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:53:06,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:53:06,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:53:06,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:53:06,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:53:06,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:53:06,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:53:06,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:53:06,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:53:06,143 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:53:06,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:53:06,143 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:53:06,144 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:53:06,145 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:53:06,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:53:06,145 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:53:06,145 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:53:06,145 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:53:06,146 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:53:06,146 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:53:06,146 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:53:06,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:53:06,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:53:06,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:53:06,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:53:06,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:53:06,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:53:06,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:53:06,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:53:06,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:53:06,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:53:06,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:53:06,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:53:06,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:53:06,150 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:53:06,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:53:06,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:53:06,151 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:53:06,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:53:06,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:53:06,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:53:06,152 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_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-11-23 15:53:06,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:53:06,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:53:06,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:53:06,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:53:06,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:53:06,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-23 15:53:09,702 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:53:10,036 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:53:10,043 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-23 15:53:10,070 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/data/271ac5756/1fc4df1568ae4ba28b62f121e0b03a6f/FLAGd72880896 [2022-11-23 15:53:10,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/data/271ac5756/1fc4df1568ae4ba28b62f121e0b03a6f [2022-11-23 15:53:10,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:53:10,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:53:10,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:53:10,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:53:10,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:53:10,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:10" (1/1) ... [2022-11-23 15:53:10,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0d2fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:10, skipping insertion in model container [2022-11-23 15:53:10,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:10" (1/1) ... [2022-11-23 15:53:10,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:53:10,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:53:10,967 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_bded75e3-1a7b-4aeb-a34e-2464f8823920/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-23 15:53:11,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:53:11,086 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:53:11,165 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_bded75e3-1a7b-4aeb-a34e-2464f8823920/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-23 15:53:11,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:53:11,312 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:53:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11 WrapperNode [2022-11-23 15:53:11,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:53:11,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:53:11,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:53:11,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:53:11,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,427 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 350 [2022-11-23 15:53:11,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:53:11,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:53:11,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:53:11,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:53:11,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,511 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:53:11,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:53:11,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:53:11,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:53:11,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2022-11-23 15:53:11,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:53:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:53:11,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:53:11,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:53:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:53:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:53:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:53:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:53:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:53:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:53:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:53:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-23 15:53:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:53:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:53:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:53:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:53:12,013 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:53:12,015 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:53:12,511 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:53:12,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:53:12,694 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-23 15:53:12,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:12 BoogieIcfgContainer [2022-11-23 15:53:12,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:53:12,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:53:12,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:53:12,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:53:12,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:53:10" (1/3) ... [2022-11-23 15:53:12,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94004f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:12, skipping insertion in model container [2022-11-23 15:53:12,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (2/3) ... [2022-11-23 15:53:12,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94004f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:12, skipping insertion in model container [2022-11-23 15:53:12,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:12" (3/3) ... [2022-11-23 15:53:12,712 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-11-23 15:53:12,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:53:12,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:53:12,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:53:12,780 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;@1688ca3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:53:12,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:53:12,784 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) [2022-11-23 15:53:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:53:12,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:53:12,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:12,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:53:12,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:53:12,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1824754057, now seen corresponding path program 1 times [2022-11-23 15:53:12,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:53:12,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878507199] [2022-11-23 15:53:12,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:53:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:53:13,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:13,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878507199] [2022-11-23 15:53:13,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878507199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:53:13,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:53:13,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:53:13,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109505064] [2022-11-23 15:53:13,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:53:13,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:53:13,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:53:13,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:53:13,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:53:13,381 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) [2022-11-23 15:53:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:53:13,549 INFO L93 Difference]: Finished difference Result 83 states and 131 transitions. [2022-11-23 15:53:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:53:13,551 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 [2022-11-23 15:53:13,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:53:13,557 INFO L225 Difference]: With dead ends: 83 [2022-11-23 15:53:13,557 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 15:53:13,561 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 [2022-11-23 15:53:13,564 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 [2022-11-23 15:53:13,565 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] [2022-11-23 15:53:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 15:53:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-23 15:53:13,601 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) [2022-11-23 15:53:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-23 15:53:13,603 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-11-23 15:53:13,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:53:13,603 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-23 15:53:13,604 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) [2022-11-23 15:53:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-23 15:53:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 15:53:13,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:53:13,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:13,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:53:13,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:53:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:53:13,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1892865227, now seen corresponding path program 1 times [2022-11-23 15:53:13,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:53:13,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353219815] [2022-11-23 15:53:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:13,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:53:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:53:13,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:13,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353219815] [2022-11-23 15:53:13,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353219815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:53:13,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708557229] [2022-11-23 15:53:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:13,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:53:13,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:53:13,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:53:13,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:53:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:13,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:53:13,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:53:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:53:14,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:53:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:53:14,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708557229] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:53:14,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [630749313] [2022-11-23 15:53:14,120 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-23 15:53:14,121 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:53:14,124 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:53:14,130 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:53:14,131 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:53:14,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:14,838 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-23 15:53:14,839 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 [2022-11-23 15:53:15,298 INFO L321 Elim1Store]: treesize reduction 48, result has 59.0 percent of original size [2022-11-23 15:53:15,299 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 [2022-11-23 15:53:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:16,193 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 [2022-11-23 15:53:16,226 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:16,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:16,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:17,020 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:17,056 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:17,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:17,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:17,930 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:18,042 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:19,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:19,249 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:19,428 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 [2022-11-23 15:53:19,494 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:19,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:19,679 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:19,993 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,284 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,313 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,572 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,663 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,805 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,870 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:20,957 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,007 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,045 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,198 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 [2022-11-23 15:53:21,264 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,432 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,525 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:21,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:21,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:21,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:21,873 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 [2022-11-23 15:53:21,916 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:22,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:22,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:22,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:22,094 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 [2022-11-23 15:53:22,133 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,305 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 [2022-11-23 15:53:22,346 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,415 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 [2022-11-23 15:53:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,474 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 [2022-11-23 15:53:22,519 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,653 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,709 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,818 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,866 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:22,914 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 [2022-11-23 15:53:22,971 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,162 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,212 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,769 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:23,964 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,001 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:24,088 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 [2022-11-23 15:53:24,135 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,209 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,286 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,519 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,595 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,752 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,791 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,900 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:24,964 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,127 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,176 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,306 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,358 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,622 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,775 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:25,910 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 [2022-11-23 15:53:25,957 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:26,066 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:26,108 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,128 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:27,341 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 [2022-11-23 15:53:27,386 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,551 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,607 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,915 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:27,965 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:28,219 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:28,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:53:40,489 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-23 15:53:40,489 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 [2022-11-23 15:53:40,557 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 [2022-11-23 15:53:40,618 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 [2022-11-23 15:53:40,663 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 [2022-11-23 15:53:46,402 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 [2022-11-23 15:53:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:47,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:53,871 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 [2022-11-23 15:53:54,793 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 [2022-11-23 15:54:01,634 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:54:01,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:54:01,798 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 [2022-11-23 15:54:04,970 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 [2022-11-23 15:54:05,807 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-23 15:54:06,791 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-23 15:54:08,659 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-23 15:54:13,225 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-11-23 15:55:06,614 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-11-23 15:55:07,624 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-23 15:55:08,385 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-23 15:55:10,074 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-23 15:55:15,328 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-11-23 15:56:09,126 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-11-23 15:56:10,227 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 [2022-11-23 15:56:10,238 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 [2022-11-23 15:56:10,247 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 [2022-11-23 15:56:10,281 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 [2022-11-23 15:56:10,290 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 [2022-11-23 15:56:10,301 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 [2022-11-23 15:56:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:10,397 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 [2022-11-23 15:56:10,409 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 [2022-11-23 15:56:10,444 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-23 15:56:10,445 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 [2022-11-23 15:56:10,459 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 [2022-11-23 15:56:10,497 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:56:10,502 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 [2022-11-23 15:56:10,538 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-23 15:56:10,551 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:56:11,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [630749313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:11,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:56:11,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 13 [2022-11-23 15:56:11,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029130090] [2022-11-23 15:56:11,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:11,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:56:11,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:11,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:56:11,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:56:11,246 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) [2022-11-23 15:56:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:11,507 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-23 15:56:11,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:56:11,508 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 [2022-11-23 15:56:11,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:11,508 INFO L225 Difference]: With dead ends: 30 [2022-11-23 15:56:11,509 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 15:56:11,509 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 [2022-11-23 15:56:11,510 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:11,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 37 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:56:11,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 15:56:11,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-23 15:56:11,516 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) [2022-11-23 15:56:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-11-23 15:56:11,516 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2022-11-23 15:56:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:11,517 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-23 15:56:11,517 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) [2022-11-23 15:56:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-23 15:56:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 15:56:11,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:11,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:11,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:56:11,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 15:56:11,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:56:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1935921655, now seen corresponding path program 1 times [2022-11-23 15:56:11,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:11,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180108364] [2022-11-23 15:56:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:11,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:56:11,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:11,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180108364] [2022-11-23 15:56:11,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180108364] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:56:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563249856] [2022-11-23 15:56:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:11,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:11,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:56:11,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:56:11,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:56:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:12,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:56:12,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:56:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:56:12,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:56:12,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563249856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:12,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:56:12,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 15:56:12,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862233352] [2022-11-23 15:56:12,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:12,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:56:12,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:12,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:56:12,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:56:12,239 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) [2022-11-23 15:56:12,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:12,271 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-23 15:56:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:56:12,271 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 [2022-11-23 15:56:12,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:12,272 INFO L225 Difference]: With dead ends: 33 [2022-11-23 15:56:12,272 INFO L226 Difference]: Without dead ends: 21 [2022-11-23 15:56:12,273 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 [2022-11-23 15:56:12,274 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 [2022-11-23 15:56:12,274 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] [2022-11-23 15:56:12,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-23 15:56:12,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-23 15:56:12,283 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) [2022-11-23 15:56:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-23 15:56:12,299 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2022-11-23 15:56:12,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:12,300 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-23 15:56:12,300 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) [2022-11-23 15:56:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-23 15:56:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:56:12,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:12,301 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] [2022-11-23 15:56:12,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 15:56:12,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:12,509 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:56:12,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash 604678066, now seen corresponding path program 1 times [2022-11-23 15:56:12,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:12,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472831432] [2022-11-23 15:56:12,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:12,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:56:12,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:12,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472831432] [2022-11-23 15:56:12,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472831432] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:56:12,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859771484] [2022-11-23 15:56:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:12,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:56:12,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:56:12,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:56:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:12,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:56:12,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:56:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:56:12,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:56:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:56:12,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859771484] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:56:12,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [146789045] [2022-11-23 15:56:12,984 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-23 15:56:12,984 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:56:12,985 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:56:12,985 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:56:12,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:56:13,274 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-23 15:56:13,274 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 [2022-11-23 15:56:13,305 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 [2022-11-23 15:56:13,325 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 [2022-11-23 15:56:13,336 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 [2022-11-23 15:56:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,359 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 [2022-11-23 15:56:13,372 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 [2022-11-23 15:56:13,450 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 [2022-11-23 15:56:13,467 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 [2022-11-23 15:56:13,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,482 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 [2022-11-23 15:56:13,522 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 [2022-11-23 15:56:13,771 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 [2022-11-23 15:56:13,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:13,958 INFO L321 Elim1Store]: treesize reduction 280, result has 15.4 percent of original size [2022-11-23 15:56:13,959 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 [2022-11-23 15:56:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,034 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:56:14,035 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 [2022-11-23 15:56:14,328 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 [2022-11-23 15:56:14,393 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 [2022-11-23 15:56:14,400 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 [2022-11-23 15:56:14,407 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 [2022-11-23 15:56:14,426 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 [2022-11-23 15:56:14,434 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 [2022-11-23 15:56:14,441 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 [2022-11-23 15:56:14,506 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 [2022-11-23 15:56:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,518 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 [2022-11-23 15:56:14,548 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-23 15:56:14,548 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 [2022-11-23 15:56:14,583 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:56:14,584 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 [2022-11-23 15:56:14,601 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 [2022-11-23 15:56:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,655 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 [2022-11-23 15:56:14,713 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-23 15:56:14,714 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 [2022-11-23 15:56:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,754 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 [2022-11-23 15:56:14,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:14,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:14,826 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-23 15:56:14,827 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 [2022-11-23 15:56:14,904 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-23 15:56:14,904 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 [2022-11-23 15:56:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:14,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:14,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:15,001 INFO L321 Elim1Store]: treesize reduction 64, result has 26.4 percent of original size [2022-11-23 15:56:15,002 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 [2022-11-23 15:56:15,063 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 15:56:15,064 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 [2022-11-23 15:56:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,095 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 [2022-11-23 15:56:15,189 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-23 15:56:15,189 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 [2022-11-23 15:56:15,228 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-23 15:56:15,229 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 [2022-11-23 15:56:15,241 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 14 treesize of output 10 [2022-11-23 15:56:15,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:15,520 INFO L321 Elim1Store]: treesize reduction 610, result has 5.3 percent of original size [2022-11-23 15:56:15,520 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 [2022-11-23 15:56:15,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:15,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,587 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-23 15:56:15,588 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 [2022-11-23 15:56:15,667 INFO L321 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-11-23 15:56:15,667 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 [2022-11-23 15:56:15,770 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-23 15:56:15,770 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 [2022-11-23 15:56:15,903 INFO L321 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2022-11-23 15:56:15,904 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 [2022-11-23 15:56:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:15,992 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 15:56:15,992 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 [2022-11-23 15:56:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:16,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:16,668 INFO L321 Elim1Store]: treesize reduction 209, result has 14.0 percent of original size [2022-11-23 15:56:16,669 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 [2022-11-23 15:56:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:16,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:16,769 INFO L321 Elim1Store]: treesize reduction 154, result has 13.0 percent of original size [2022-11-23 15:56:16,770 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 [2022-11-23 15:56:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:16,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:16,846 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 15:56:16,846 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 [2022-11-23 15:56:17,418 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-23 15:56:17,419 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 [2022-11-23 15:56:17,457 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-23 15:56:17,457 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 [2022-11-23 15:56:17,468 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 [2022-11-23 15:56:17,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,653 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-23 15:56:17,654 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 [2022-11-23 15:56:17,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:17,696 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-23 15:56:17,696 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 [2022-11-23 15:56:17,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:17,740 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-23 15:56:17,741 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 [2022-11-23 15:56:17,753 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 [2022-11-23 15:56:17,766 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 [2022-11-23 15:56:17,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,876 INFO L321 Elim1Store]: treesize reduction 96, result has 39.6 percent of original size [2022-11-23 15:56:17,876 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 [2022-11-23 15:56:17,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:17,944 INFO L321 Elim1Store]: treesize reduction 64, result has 42.3 percent of original size [2022-11-23 15:56:17,945 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 [2022-11-23 15:56:17,964 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 [2022-11-23 15:56:18,087 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-23 15:56:18,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-11-23 15:56:18,127 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-23 15:56:18,128 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 [2022-11-23 15:56:18,139 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 [2022-11-23 15:56:18,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,355 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-23 15:56:18,355 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 [2022-11-23 15:56:18,368 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 [2022-11-23 15:56:18,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:18,415 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-23 15:56:18,415 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 [2022-11-23 15:56:18,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:18,463 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-23 15:56:18,464 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 [2022-11-23 15:56:18,478 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 [2022-11-23 15:56:18,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,620 INFO L321 Elim1Store]: treesize reduction 108, result has 39.0 percent of original size [2022-11-23 15:56:18,621 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 [2022-11-23 15:56:18,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:56:18,693 INFO L321 Elim1Store]: treesize reduction 70, result has 40.2 percent of original size [2022-11-23 15:56:18,694 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 [2022-11-23 15:56:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:56:18,722 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 [2022-11-23 15:56:18,857 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-23 15:56:18,857 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 [2022-11-23 15:56:18,898 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-23 15:56:18,898 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 [2022-11-23 15:56:18,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 15:56:18,936 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-23 15:56:18,947 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:56:20,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [146789045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:20,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:56:20,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 3, 4] total 16 [2022-11-23 15:56:20,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177775421] [2022-11-23 15:56:20,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:20,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:56:20,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:20,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:56:20,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:56:20,037 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) [2022-11-23 15:56:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:20,368 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-23 15:56:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:56:20,369 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 [2022-11-23 15:56:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:20,369 INFO L225 Difference]: With dead ends: 21 [2022-11-23 15:56:20,369 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:56:20,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:56:20,371 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 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 [2022-11-23 15:56:20,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:56:20,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:56:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:56:20,373 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) [2022-11-23 15:56:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:56:20,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-23 15:56:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:20,373 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:56:20,374 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) [2022-11-23 15:56:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:56:20,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:56:20,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:56:20,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:56:20,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:20,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:56:21,099 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1377) no Hoare annotation was computed. [2022-11-23 15:56:21,099 INFO L899 garLoopResultBuilder]: For program point L1357-1(lines 1357 1377) no Hoare annotation was computed. [2022-11-23 15:56:21,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:56:21,100 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-23 15:56:21,100 INFO L902 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: true [2022-11-23 15:56:21,100 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|)) [2022-11-23 15:56:21,100 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1492) no Hoare annotation was computed. [2022-11-23 15:56:21,100 INFO L899 garLoopResultBuilder]: For program point L1359(lines 1359 1376) no Hoare annotation was computed. [2022-11-23 15:56:21,100 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1375) no Hoare annotation was computed. [2022-11-23 15:56:21,101 INFO L902 garLoopResultBuilder]: At program point L1478(lines 1462 1479) the Hoare annotation is: true [2022-11-23 15:56:21,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:56:21,101 INFO L902 garLoopResultBuilder]: At program point L1495(lines 1480 1496) the Hoare annotation is: true [2022-11-23 15:56:21,101 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|)) [2022-11-23 15:56:21,101 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 1453) no Hoare annotation was computed. [2022-11-23 15:56:21,101 INFO L902 garLoopResultBuilder]: At program point L1446-1(lines 1446 1453) the Hoare annotation is: true [2022-11-23 15:56:21,102 INFO L899 garLoopResultBuilder]: For program point L1364(lines 1364 1374) no Hoare annotation was computed. [2022-11-23 15:56:21,102 INFO L899 garLoopResultBuilder]: For program point L1447-1(lines 1447 1453) no Hoare annotation was computed. [2022-11-23 15:56:21,102 INFO L902 garLoopResultBuilder]: At program point L1447-4(lines 1447 1453) the Hoare annotation is: true [2022-11-23 15:56:21,102 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)) [2022-11-23 15:56:21,102 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1494) no Hoare annotation was computed. [2022-11-23 15:56:21,102 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 1482 1494) no Hoare annotation was computed. [2022-11-23 15:56:21,102 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2022-11-23 15:56:21,103 INFO L899 garLoopResultBuilder]: For program point L1367(lines 1367 1373) no Hoare annotation was computed. [2022-11-23 15:56:21,103 INFO L902 garLoopResultBuilder]: At program point L1466-3(lines 1466 1477) the Hoare annotation is: true [2022-11-23 15:56:21,103 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|))) [2022-11-23 15:56:21,103 INFO L899 garLoopResultBuilder]: For program point L1334-1(lines 1325 1420) no Hoare annotation was computed. [2022-11-23 15:56:21,103 INFO L902 garLoopResultBuilder]: At program point L1615-3(lines 1615 1616) the Hoare annotation is: true [2022-11-23 15:56:21,104 INFO L899 garLoopResultBuilder]: For program point L1351-1(lines 1351 1385) no Hoare annotation was computed. [2022-11-23 15:56:21,104 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1493) no Hoare annotation was computed. [2022-11-23 15:56:21,104 INFO L899 garLoopResultBuilder]: For program point L1501-1(lines 1501 1509) no Hoare annotation was computed. [2022-11-23 15:56:21,104 INFO L902 garLoopResultBuilder]: At program point L1501-3(lines 1501 1509) the Hoare annotation is: true [2022-11-23 15:56:21,104 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1372) no Hoare annotation was computed. [2022-11-23 15:56:21,104 INFO L902 garLoopResultBuilder]: At program point L1501-4(lines 1501 1509) the Hoare annotation is: true [2022-11-23 15:56:21,105 INFO L902 garLoopResultBuilder]: At program point L1419(lines 1324 1420) the Hoare annotation is: true [2022-11-23 15:56:21,105 INFO L899 garLoopResultBuilder]: For program point L1469(lines 1469 1474) no Hoare annotation was computed. [2022-11-23 15:56:21,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1371) no Hoare annotation was computed. [2022-11-23 15:56:21,105 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))) [2022-11-23 15:56:21,105 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-23 15:56:21,105 INFO L899 garLoopResultBuilder]: For program point L1371(line 1371) no Hoare annotation was computed. [2022-11-23 15:56:21,106 INFO L899 garLoopResultBuilder]: For program point L1338-2(lines 1335 1392) no Hoare annotation was computed. [2022-11-23 15:56:21,106 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2022-11-23 15:56:21,106 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-11-23 15:56:21,109 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 15:56:21,112 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:56:21,132 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-23 15:56:21,133 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-23 15:56:21,134 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-23 15:56:21,135 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-23 15:56:21,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:56:21 BoogieIcfgContainer [2022-11-23 15:56:21,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:56:21,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:56:21,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:56:21,138 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:56:21,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:12" (3/4) ... [2022-11-23 15:56:21,142 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:56:21,147 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:56:21,155 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-11-23 15:56:21,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-23 15:56:21,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 15:56:21,157 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:56:21,158 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:56:21,158 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:56:21,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:56:21,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:56:21,217 INFO L158 Benchmark]: Toolchain (without parser) took 191121.13ms. Allocated memory was 195.0MB in the beginning and 1.1GB in the end (delta: 945.8MB). Free memory was 146.3MB in the beginning and 443.6MB in the end (delta: -297.3MB). Peak memory consumption was 649.2MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,217 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:56:21,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.78ms. Allocated memory is still 195.0MB. Free memory was 145.7MB in the beginning and 101.7MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.95ms. Allocated memory is still 195.0MB. Free memory was 101.7MB in the beginning and 98.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,218 INFO L158 Benchmark]: Boogie Preprocessor took 101.75ms. Allocated memory is still 195.0MB. Free memory was 98.1MB in the beginning and 94.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,218 INFO L158 Benchmark]: RCFGBuilder took 1165.55ms. Allocated memory is still 195.0MB. Free memory was 93.9MB in the beginning and 112.4MB in the end (delta: -18.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,219 INFO L158 Benchmark]: TraceAbstraction took 188436.48ms. Allocated memory was 195.0MB in the beginning and 1.1GB in the end (delta: 945.8MB). Free memory was 111.5MB in the beginning and 449.9MB in the end (delta: -338.4MB). Peak memory consumption was 607.2MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,219 INFO L158 Benchmark]: Witness Printer took 79.02ms. Allocated memory is still 1.1GB. Free memory was 449.9MB in the beginning and 443.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:56:21,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.78ms. Allocated memory is still 195.0MB. Free memory was 145.7MB in the beginning and 101.7MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.95ms. Allocated memory is still 195.0MB. Free memory was 101.7MB in the beginning and 98.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.75ms. Allocated memory is still 195.0MB. Free memory was 98.1MB in the beginning and 94.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1165.55ms. Allocated memory is still 195.0MB. Free memory was 93.9MB in the beginning and 112.4MB in the end (delta: -18.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 188436.48ms. Allocated memory was 195.0MB in the beginning and 1.1GB in the end (delta: 945.8MB). Free memory was 111.5MB in the beginning and 449.9MB in the end (delta: -338.4MB). Peak memory consumption was 607.2MB. Max. memory is 16.1GB. * Witness Printer took 79.02ms. Allocated memory is still 1.1GB. Free memory was 449.9MB in the beginning and 443.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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: 188.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 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: 0.1s 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, 0.9s 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: 182.4s, 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: 26.8s, 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: 125.3s, 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: 154.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 154.2s, 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 [2022-11-23 15:56:21,233 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-23 15:56:21,233 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-23 15:56:21,234 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-23 15:56:21,234 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 && #in~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 == #in~argv) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && unknown-#in~argc-unknown == argc) && argc == unknown-#in~argc-unknown) && 10 <= i) && argv == #in~argv) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #memory_$Pointer$[argv][8 + argv] == 1l + argv) && #in~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! [2022-11-23 15:56:21,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bded75e3-1a7b-4aeb-a34e-2464f8823920/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE