./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:01:10,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:01:10,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:01:10,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:01:10,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:01:10,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:01:10,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:01:10,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:01:10,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:01:10,125 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:01:10,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:01:10,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:01:10,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:01:10,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:01:10,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:01:10,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:01:10,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:01:10,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:01:10,132 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:01:10,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:01:10,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:01:10,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:01:10,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:01:10,133 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:01:10,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:01:10,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:01:10,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:01:10,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:01:10,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:01:10,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:01:10,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:01:10,136 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2024-11-28 05:01:10,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:01:10,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:01:10,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:01:10,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:01:10,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:01:10,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2024-11-28 05:01:13,409 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/data/14e85b7f5/350d12be89b54e6e9335a3313defeaa7/FLAGb6967a504 [2024-11-28 05:01:13,735 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:01:13,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/sv-benchmarks/c/list-simple/dll2n_update_all.i [2024-11-28 05:01:13,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/data/14e85b7f5/350d12be89b54e6e9335a3313defeaa7/FLAGb6967a504 [2024-11-28 05:01:13,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/data/14e85b7f5/350d12be89b54e6e9335a3313defeaa7 [2024-11-28 05:01:13,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:01:13,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:01:13,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:01:13,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:01:13,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:01:13,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:01:13" (1/1) ... [2024-11-28 05:01:13,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630c72ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:13, skipping insertion in model container [2024-11-28 05:01:13,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:01:13" (1/1) ... [2024-11-28 05:01:13,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:01:14,223 WARN L250 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_3328bd1c-a114-4500-9ffb-a3a786e93563/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2024-11-28 05:01:14,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:01:14,240 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:01:14,286 WARN L250 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_3328bd1c-a114-4500-9ffb-a3a786e93563/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2024-11-28 05:01:14,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:01:14,315 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:01:14,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14 WrapperNode [2024-11-28 05:01:14,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:01:14,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:01:14,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:01:14,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:01:14,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,353 INFO L138 Inliner]: procedures = 126, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2024-11-28 05:01:14,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:01:14,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:01:14,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:01:14,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:01:14,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,382 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-11-28 05:01:14,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:01:14,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:01:14,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:01:14,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:01:14,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (1/1) ... [2024-11-28 05:01:14,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:01:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:14,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:01:14,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-28 05:01:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-28 05:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:01:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:01:14,627 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:01:14,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:01:14,656 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-28 05:01:14,904 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-28 05:01:14,904 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:01:14,918 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:01:14,919 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 05:01:14,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:01:14 BoogieIcfgContainer [2024-11-28 05:01:14,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:01:14,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:01:14,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:01:14,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:01:14,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:01:13" (1/3) ... [2024-11-28 05:01:14,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24784182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:01:14, skipping insertion in model container [2024-11-28 05:01:14,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:01:14" (2/3) ... [2024-11-28 05:01:14,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24784182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:01:14, skipping insertion in model container [2024-11-28 05:01:14,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:01:14" (3/3) ... [2024-11-28 05:01:14,933 INFO L128 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2024-11-28 05:01:14,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:01:14,951 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dll2n_update_all.i that has 2 procedures, 37 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-28 05:01:15,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:01:15,032 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@79bbcbd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:01:15,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:01:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 34 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:01:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 05:01:15,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:15,045 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:15,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:15,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash 661666695, now seen corresponding path program 1 times [2024-11-28 05:01:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:15,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596965744] [2024-11-28 05:01:15,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:15,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:15,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:15,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596965744] [2024-11-28 05:01:15,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596965744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:15,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:15,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:01:15,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735121604] [2024-11-28 05:01:15,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:15,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:01:15,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:15,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:01:15,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:01:15,245 INFO L87 Difference]: Start difference. First operand has 36 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 34 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2024-11-28 05:01:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:15,263 INFO L93 Difference]: Finished difference Result 61 states and 85 transitions. [2024-11-28 05:01:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:01:15,266 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) Word has length 14 [2024-11-28 05:01:15,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:15,272 INFO L225 Difference]: With dead ends: 61 [2024-11-28 05:01:15,272 INFO L226 Difference]: Without dead ends: 26 [2024-11-28 05:01:15,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:01:15,280 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:15,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:15,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-28 05:01:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-28 05:01:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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) [2024-11-28 05:01:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-11-28 05:01:15,339 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 14 [2024-11-28 05:01:15,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:15,339 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-28 05:01:15,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2024-11-28 05:01:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-28 05:01:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 05:01:15,341 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:15,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:15,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:01:15,342 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:15,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:15,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1554074, now seen corresponding path program 1 times [2024-11-28 05:01:15,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:15,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851045470] [2024-11-28 05:01:15,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:15,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:15,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:15,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851045470] [2024-11-28 05:01:15,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851045470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:15,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:15,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:01:15,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642950101] [2024-11-28 05:01:15,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:15,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:01:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:15,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:01:15,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:01:15,532 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-28 05:01:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:15,554 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2024-11-28 05:01:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:01:15,556 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), 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) Word has length 14 [2024-11-28 05:01:15,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:15,557 INFO L225 Difference]: With dead ends: 50 [2024-11-28 05:01:15,557 INFO L226 Difference]: Without dead ends: 32 [2024-11-28 05:01:15,558 INFO L434 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 [2024-11-28 05:01:15,559 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:15,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 55 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:15,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-28 05:01:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2024-11-28 05:01:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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) [2024-11-28 05:01:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-11-28 05:01:15,566 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 14 [2024-11-28 05:01:15,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:15,568 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-11-28 05:01:15,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-28 05:01:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-28 05:01:15,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 05:01:15,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:15,570 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:15,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:01:15,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:15,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -815203920, now seen corresponding path program 1 times [2024-11-28 05:01:15,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:15,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888721133] [2024-11-28 05:01:15,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:15,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:15,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:15,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888721133] [2024-11-28 05:01:15,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888721133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:15,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:15,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:01:15,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434922490] [2024-11-28 05:01:15,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:15,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:01:15,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:15,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:01:15,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:01:15,759 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-28 05:01:15,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:15,794 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2024-11-28 05:01:15,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:01:15,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2024-11-28 05:01:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:15,797 INFO L225 Difference]: With dead ends: 55 [2024-11-28 05:01:15,797 INFO L226 Difference]: Without dead ends: 31 [2024-11-28 05:01:15,797 INFO L434 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 [2024-11-28 05:01:15,798 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:15,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-28 05:01:15,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-28 05:01:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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) [2024-11-28 05:01:15,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-28 05:01:15,806 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 20 [2024-11-28 05:01:15,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:15,807 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-28 05:01:15,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-28 05:01:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-28 05:01:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 05:01:15,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:15,809 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:15,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:01:15,809 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:15,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:15,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1826321170, now seen corresponding path program 1 times [2024-11-28 05:01:15,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:15,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238674033] [2024-11-28 05:01:15,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:15,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:16,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:16,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238674033] [2024-11-28 05:01:16,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238674033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:16,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403700233] [2024-11-28 05:01:16,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:16,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:16,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:16,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:16,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:01:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:16,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:01:16,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:16,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:16,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403700233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:16,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:16,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-28 05:01:16,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040327591] [2024-11-28 05:01:16,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:16,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:01:16,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:16,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:01:16,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:01:16,293 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-28 05:01:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:16,320 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2024-11-28 05:01:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:01:16,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) Word has length 20 [2024-11-28 05:01:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:16,323 INFO L225 Difference]: With dead ends: 51 [2024-11-28 05:01:16,323 INFO L226 Difference]: Without dead ends: 33 [2024-11-28 05:01:16,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:01:16,324 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:16,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 60 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:16,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-28 05:01:16,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-28 05:01:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 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) [2024-11-28 05:01:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-28 05:01:16,331 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 20 [2024-11-28 05:01:16,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:16,331 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-28 05:01:16,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-28 05:01:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-28 05:01:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 05:01:16,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:16,332 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:16,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:01:16,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:16,533 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:16,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:16,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1635153720, now seen corresponding path program 1 times [2024-11-28 05:01:16,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:16,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523202404] [2024-11-28 05:01:16,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:16,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:16,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:16,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523202404] [2024-11-28 05:01:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523202404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:01:16,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41846852] [2024-11-28 05:01:16,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:16,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:01:16,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:16,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:01:16,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:01:16,737 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-28 05:01:16,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:16,790 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-11-28 05:01:16,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:01:16,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) Word has length 26 [2024-11-28 05:01:16,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:16,792 INFO L225 Difference]: With dead ends: 58 [2024-11-28 05:01:16,792 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 05:01:16,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:01:16,794 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 35 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:16,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 46 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:16,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 05:01:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 34. [2024-11-28 05:01:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 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) [2024-11-28 05:01:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2024-11-28 05:01:16,805 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 26 [2024-11-28 05:01:16,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:16,807 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2024-11-28 05:01:16,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-28 05:01:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2024-11-28 05:01:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 05:01:16,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:16,808 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:16,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:01:16,809 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:16,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:16,809 INFO L85 PathProgramCache]: Analyzing trace with hash 412176506, now seen corresponding path program 1 times [2024-11-28 05:01:16,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:16,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149006232] [2024-11-28 05:01:16,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:16,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:17,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149006232] [2024-11-28 05:01:17,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149006232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427691216] [2024-11-28 05:01:17,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:17,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:17,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:17,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:17,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:01:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:17,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:01:17,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:17,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:17,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427691216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:17,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:17,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 05:01:17,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836945255] [2024-11-28 05:01:17,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:17,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:01:17,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:17,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:01:17,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:01:17,426 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-11-28 05:01:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:17,489 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2024-11-28 05:01:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:01:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) Word has length 31 [2024-11-28 05:01:17,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:17,490 INFO L225 Difference]: With dead ends: 60 [2024-11-28 05:01:17,490 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 05:01:17,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:01:17,491 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 62 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:17,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 78 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:01:17,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 05:01:17,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 40. [2024-11-28 05:01:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 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) [2024-11-28 05:01:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-28 05:01:17,499 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 31 [2024-11-28 05:01:17,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:17,499 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-28 05:01:17,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-11-28 05:01:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-28 05:01:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 05:01:17,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:17,500 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:17,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:01:17,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 05:01:17,701 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:17,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:17,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2113269880, now seen corresponding path program 2 times [2024-11-28 05:01:17,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:17,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265506378] [2024-11-28 05:01:17,701 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:01:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:17,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:01:17,761 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:17,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265506378] [2024-11-28 05:01:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265506378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155623146] [2024-11-28 05:01:17,871 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:01:17,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:17,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:17,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:17,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:01:18,032 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:01:18,032 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:18,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:01:18,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:18,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:18,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155623146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:18,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:18,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-28 05:01:18,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578327089] [2024-11-28 05:01:18,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:18,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:01:18,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:18,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:01:18,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:01:18,120 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-28 05:01:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:18,217 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-28 05:01:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:01:18,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) Word has length 36 [2024-11-28 05:01:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:18,218 INFO L225 Difference]: With dead ends: 66 [2024-11-28 05:01:18,218 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 05:01:18,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:01:18,219 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 27 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:18,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 110 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:01:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 05:01:18,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2024-11-28 05:01:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.175) internal successors, (47), 40 states have internal predecessors, (47), 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) [2024-11-28 05:01:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-11-28 05:01:18,226 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 36 [2024-11-28 05:01:18,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:18,226 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-28 05:01:18,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-28 05:01:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-11-28 05:01:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 05:01:18,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:18,228 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:18,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:01:18,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:18,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:18,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1063097924, now seen corresponding path program 1 times [2024-11-28 05:01:18,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:18,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111546572] [2024-11-28 05:01:18,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:18,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:20,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:20,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111546572] [2024-11-28 05:01:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111546572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:20,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342175534] [2024-11-28 05:01:20,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:20,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:20,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:20,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:01:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:20,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-28 05:01:20,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:20,328 INFO L378 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 6 treesize of output 5 [2024-11-28 05:01:20,453 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-28 05:01:20,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-28 05:01:20,517 INFO L378 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 18 treesize of output 19 [2024-11-28 05:01:20,614 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-28 05:01:20,614 INFO L378 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 40 treesize of output 39 [2024-11-28 05:01:21,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:21,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-11-28 05:01:21,052 INFO L378 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 [2024-11-28 05:01:21,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2024-11-28 05:01:21,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 05:01:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:21,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:21,724 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_404 (Array Int Int))) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_404) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2024-11-28 05:01:21,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:21,962 INFO L378 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2024-11-28 05:01:21,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:21,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 61 [2024-11-28 05:01:21,993 INFO L378 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 23 treesize of output 21 [2024-11-28 05:01:22,378 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_400 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_400) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) is different from false [2024-11-28 05:01:22,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:22,391 INFO L378 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2024-11-28 05:01:22,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:22,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 31 [2024-11-28 05:01:22,403 INFO L378 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 8 treesize of output 4 [2024-11-28 05:01:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-11-28 05:01:22,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342175534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:22,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:22,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 19] total 51 [2024-11-28 05:01:22,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140018181] [2024-11-28 05:01:22,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:22,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-28 05:01:22,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:22,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-28 05:01:22,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2164, Unknown=23, NotChecked=190, Total=2550 [2024-11-28 05:01:22,539 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 51 states, 51 states have (on average 2.0) internal successors, (102), 51 states have internal predecessors, (102), 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) [2024-11-28 05:01:24,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:24,173 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2024-11-28 05:01:24,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 05:01:24,174 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 2.0) internal successors, (102), 51 states have internal predecessors, (102), 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) Word has length 38 [2024-11-28 05:01:24,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:24,176 INFO L225 Difference]: With dead ends: 87 [2024-11-28 05:01:24,176 INFO L226 Difference]: Without dead ends: 85 [2024-11-28 05:01:24,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=405, Invalid=3870, Unknown=23, NotChecked=258, Total=4556 [2024-11-28 05:01:24,179 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 235 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 184 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:24,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 489 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 854 Invalid, 0 Unknown, 184 Unchecked, 0.7s Time] [2024-11-28 05:01:24,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-28 05:01:24,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 59. [2024-11-28 05:01:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 58 states have internal predecessors, (69), 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) [2024-11-28 05:01:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2024-11-28 05:01:24,189 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 38 [2024-11-28 05:01:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:24,189 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2024-11-28 05:01:24,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.0) internal successors, (102), 51 states have internal predecessors, (102), 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) [2024-11-28 05:01:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2024-11-28 05:01:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 05:01:24,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:24,190 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:24,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:01:24,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:24,395 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:24,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:24,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1873036408, now seen corresponding path program 2 times [2024-11-28 05:01:24,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:24,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860198591] [2024-11-28 05:01:24,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:01:24,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:24,422 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:01:24,423 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 05:01:24,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:24,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860198591] [2024-11-28 05:01:24,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860198591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:24,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:24,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:01:24,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819838921] [2024-11-28 05:01:24,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:24,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:01:24,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:24,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:01:24,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:01:24,512 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-28 05:01:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:24,551 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2024-11-28 05:01:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:01:24,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) Word has length 40 [2024-11-28 05:01:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:24,553 INFO L225 Difference]: With dead ends: 85 [2024-11-28 05:01:24,553 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 05:01:24,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:01:24,554 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:24,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 67 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 05:01:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2024-11-28 05:01:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 states have internal predecessors, (62), 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) [2024-11-28 05:01:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-28 05:01:24,566 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 40 [2024-11-28 05:01:24,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:24,569 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-28 05:01:24,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-28 05:01:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-28 05:01:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 05:01:24,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:24,571 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:24,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:01:24,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:24,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash 169189888, now seen corresponding path program 3 times [2024-11-28 05:01:24,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:24,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503110652] [2024-11-28 05:01:24,571 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:01:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:24,613 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:01:24,613 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:24,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:24,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503110652] [2024-11-28 05:01:24,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503110652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:24,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017489689] [2024-11-28 05:01:24,704 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:01:24,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:24,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:24,706 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:24,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:01:25,184 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:01:25,184 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:25,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:01:25,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:25,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:01:25,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017489689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:25,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:25,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-11-28 05:01:25,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647405960] [2024-11-28 05:01:25,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:25,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:01:25,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:25,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:01:25,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:01:25,266 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2024-11-28 05:01:25,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:25,342 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2024-11-28 05:01:25,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:01:25,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) Word has length 40 [2024-11-28 05:01:25,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:25,345 INFO L225 Difference]: With dead ends: 95 [2024-11-28 05:01:25,346 INFO L226 Difference]: Without dead ends: 78 [2024-11-28 05:01:25,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:01:25,346 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:25,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 101 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:25,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-28 05:01:25,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 58. [2024-11-28 05:01:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.1578947368421053) internal successors, (66), 57 states have internal predecessors, (66), 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) [2024-11-28 05:01:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2024-11-28 05:01:25,363 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 40 [2024-11-28 05:01:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:25,363 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2024-11-28 05:01:25,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2024-11-28 05:01:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2024-11-28 05:01:25,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 05:01:25,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:25,367 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:25,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 05:01:25,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 05:01:25,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:25,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1331970504, now seen corresponding path program 1 times [2024-11-28 05:01:25,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:25,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010707587] [2024-11-28 05:01:25,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:25,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 05:01:25,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:25,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010707587] [2024-11-28 05:01:25,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010707587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:25,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:25,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:01:25,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333991054] [2024-11-28 05:01:25,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:25,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:01:25,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:25,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:01:25,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:01:25,673 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-28 05:01:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:25,712 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2024-11-28 05:01:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:01:25,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) Word has length 40 [2024-11-28 05:01:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:25,713 INFO L225 Difference]: With dead ends: 75 [2024-11-28 05:01:25,713 INFO L226 Difference]: Without dead ends: 66 [2024-11-28 05:01:25,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:01:25,714 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 10 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:25,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 70 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:25,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-28 05:01:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2024-11-28 05:01:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 60 states have internal predecessors, (68), 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) [2024-11-28 05:01:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2024-11-28 05:01:25,722 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 40 [2024-11-28 05:01:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:25,722 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2024-11-28 05:01:25,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-28 05:01:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-11-28 05:01:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 05:01:25,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:25,723 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:25,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:01:25,723 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:25,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:25,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1815199475, now seen corresponding path program 1 times [2024-11-28 05:01:25,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:25,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95906685] [2024-11-28 05:01:25,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 05:01:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95906685] [2024-11-28 05:01:25,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95906685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359315353] [2024-11-28 05:01:25,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:25,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:25,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:25,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:25,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:01:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:26,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:01:26,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 05:01:26,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 05:01:26,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359315353] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:26,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:26,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-28 05:01:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618710250] [2024-11-28 05:01:26,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:26,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:01:26,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:26,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:01:26,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:01:26,070 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-28 05:01:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:26,143 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2024-11-28 05:01:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:01:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) Word has length 44 [2024-11-28 05:01:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:26,144 INFO L225 Difference]: With dead ends: 76 [2024-11-28 05:01:26,145 INFO L226 Difference]: Without dead ends: 67 [2024-11-28 05:01:26,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:01:26,146 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 28 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:26,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 90 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:01:26,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-28 05:01:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2024-11-28 05:01:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 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) [2024-11-28 05:01:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2024-11-28 05:01:26,159 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 44 [2024-11-28 05:01:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:26,160 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2024-11-28 05:01:26,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-28 05:01:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2024-11-28 05:01:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 05:01:26,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:26,161 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:26,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:01:26,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:26,362 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:26,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1747912009, now seen corresponding path program 1 times [2024-11-28 05:01:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:26,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251459319] [2024-11-28 05:01:26,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:27,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:27,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251459319] [2024-11-28 05:01:27,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251459319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:27,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511119412] [2024-11-28 05:01:27,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:27,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:27,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:27,956 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:27,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:01:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:28,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-28 05:01:28,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:28,187 INFO L378 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 6 treesize of output 5 [2024-11-28 05:01:28,281 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-28 05:01:28,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-28 05:01:28,331 INFO L378 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 24 treesize of output 9 [2024-11-28 05:01:28,391 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-28 05:01:28,392 INFO L378 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 31 treesize of output 32 [2024-11-28 05:01:28,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 05:01:28,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-28 05:01:28,949 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-28 05:01:28,949 INFO L378 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 80 treesize of output 73 [2024-11-28 05:01:28,957 INFO L378 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 29 treesize of output 19 [2024-11-28 05:01:28,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-28 05:01:29,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 21 [2024-11-28 05:01:29,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 23 treesize of output 11 [2024-11-28 05:01:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:01:29,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:29,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 86 treesize of output 64 [2024-11-28 05:01:29,714 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (and (forall ((v_ArrVal_829 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_829) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0) |c_ULTIMATE.start_dll_update_at_~head#1.offset|)) (= |c_ULTIMATE.start_dll_update_at_~data#1| (+ |c_ULTIMATE.start_main_~len~0#1| 1)) (forall ((v_ArrVal_830 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_830) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0) |c_ULTIMATE.start_dll_update_at_~head#1.base|)))) is different from false [2024-11-28 05:01:29,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:29,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 43 [2024-11-28 05:01:29,750 INFO L378 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 17 treesize of output 13 [2024-11-28 05:01:30,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:01:30,366 INFO L378 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2024-11-28 05:01:30,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 27 [2024-11-28 05:01:30,374 INFO L378 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 8 treesize of output 4 [2024-11-28 05:01:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-11-28 05:01:30,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511119412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:30,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:30,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 21] total 58 [2024-11-28 05:01:30,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069364102] [2024-11-28 05:01:30,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:30,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-28 05:01:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:30,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-28 05:01:30,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=2991, Unknown=12, NotChecked=110, Total=3306 [2024-11-28 05:01:30,521 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 58 states, 58 states have (on average 2.206896551724138) internal successors, (128), 58 states have internal predecessors, (128), 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) [2024-11-28 05:01:32,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:32,807 INFO L93 Difference]: Finished difference Result 112 states and 126 transitions. [2024-11-28 05:01:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:01:32,807 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 2.206896551724138) internal successors, (128), 58 states have internal predecessors, (128), 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) Word has length 46 [2024-11-28 05:01:32,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:32,808 INFO L225 Difference]: With dead ends: 112 [2024-11-28 05:01:32,808 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 05:01:32,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1282 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=452, Invalid=5392, Unknown=12, NotChecked=150, Total=6006 [2024-11-28 05:01:32,810 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 152 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 94 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:32,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 839 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1686 Invalid, 0 Unknown, 94 Unchecked, 1.2s Time] [2024-11-28 05:01:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 05:01:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 77. [2024-11-28 05:01:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.131578947368421) internal successors, (86), 76 states have internal predecessors, (86), 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) [2024-11-28 05:01:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2024-11-28 05:01:32,821 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 46 [2024-11-28 05:01:32,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:32,822 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2024-11-28 05:01:32,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.206896551724138) internal successors, (128), 58 states have internal predecessors, (128), 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) [2024-11-28 05:01:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2024-11-28 05:01:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 05:01:32,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:32,823 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:32,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 05:01:33,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 05:01:33,027 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:33,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:33,028 INFO L85 PathProgramCache]: Analyzing trace with hash 203412222, now seen corresponding path program 4 times [2024-11-28 05:01:33,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:33,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030213137] [2024-11-28 05:01:33,028 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:01:33,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:33,056 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:01:33,057 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:01:33,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:33,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030213137] [2024-11-28 05:01:33,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030213137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:33,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082916190] [2024-11-28 05:01:33,177 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:01:33,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:33,180 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:33,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:01:33,354 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:01:33,354 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:33,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:01:33,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:01:33,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:01:33,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082916190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:33,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:01:33,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-11-28 05:01:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121623290] [2024-11-28 05:01:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:33,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:01:33,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:33,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:01:33,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:01:33,486 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-28 05:01:33,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:33,526 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2024-11-28 05:01:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:01:33,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) Word has length 47 [2024-11-28 05:01:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:33,527 INFO L225 Difference]: With dead ends: 88 [2024-11-28 05:01:33,527 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 05:01:33,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:01:33,529 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:33,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 55 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 05:01:33,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 05:01:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.0625) internal successors, (51), 48 states have internal predecessors, (51), 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) [2024-11-28 05:01:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-11-28 05:01:33,536 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 47 [2024-11-28 05:01:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:33,536 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-11-28 05:01:33,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2024-11-28 05:01:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-11-28 05:01:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 05:01:33,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:33,537 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:33,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 05:01:33,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 05:01:33,738 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:33,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:33,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1485854075, now seen corresponding path program 2 times [2024-11-28 05:01:33,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:33,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540609823] [2024-11-28 05:01:33,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:01:33,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:33,765 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:01:33,765 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 05:01:33,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:33,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540609823] [2024-11-28 05:01:33,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540609823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:33,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302319128] [2024-11-28 05:01:33,847 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:01:33,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:33,850 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 05:01:34,038 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:01:34,038 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:01:34,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:01:34,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 05:01:34,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:01:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 05:01:34,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302319128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:01:34,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:01:34,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-28 05:01:34,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672115161] [2024-11-28 05:01:34,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:01:34,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:01:34,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:34,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:01:34,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:01:34,194 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2024-11-28 05:01:34,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:34,243 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2024-11-28 05:01:34,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:01:34,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) Word has length 48 [2024-11-28 05:01:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:34,243 INFO L225 Difference]: With dead ends: 49 [2024-11-28 05:01:34,244 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:01:34,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:01:34,244 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:34,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 48 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:01:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:01:34,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:01:34,245 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) [2024-11-28 05:01:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:01:34,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2024-11-28 05:01:34,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:34,246 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:01:34,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2024-11-28 05:01:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:01:34,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:01:34,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:01:34,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 05:01:34,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 05:01:34,459 INFO L422 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:34,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:01:34,837 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:01:34,849 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,849 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,850 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,851 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,851 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,851 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,851 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,851 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,851 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,852 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,855 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-28 05:01:34,855 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-28 05:01:34,855 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-28 05:01:34,855 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,856 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,857 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-28 05:01:34,857 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-28 05:01:34,858 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,859 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,861 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,862 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,863 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,863 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-28 05:01:34,864 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,865 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,865 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-28 05:01:34,865 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,865 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,865 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,866 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,867 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,868 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,869 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-28 05:01:34,870 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,871 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-28 05:01:34,871 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,871 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,871 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-28 05:01:34,872 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,873 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:01:34,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,877 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,878 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,878 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,878 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,878 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base [2024-11-28 05:01:34,878 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] [2024-11-28 05:01:34,879 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-28 05:01:34,879 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-28 05:01:34,879 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 05:01:34,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:01:34 BoogieIcfgContainer [2024-11-28 05:01:34,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:01:34,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:01:34,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:01:34,882 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:01:34,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:01:14" (3/4) ... [2024-11-28 05:01:34,885 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:01:34,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2024-11-28 05:01:34,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 05:01:34,895 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 05:01:34,897 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:01:34,897 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:01:34,996 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:01:34,996 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:01:34,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:01:34,997 INFO L158 Benchmark]: Toolchain (without parser) took 21218.93ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 91.2MB in the beginning and 82.9MB in the end (delta: 8.4MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-11-28 05:01:34,997 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:01:34,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.20ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:01:34,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:01:34,998 INFO L158 Benchmark]: Boogie Preprocessor took 43.73ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:01:34,998 INFO L158 Benchmark]: RCFGBuilder took 521.26ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 54.5MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:01:34,999 INFO L158 Benchmark]: TraceAbstraction took 19957.87ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 53.9MB in the beginning and 88.8MB in the end (delta: -34.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-28 05:01:34,999 INFO L158 Benchmark]: Witness Printer took 115.16ms. Allocated memory is still 226.5MB. Free memory was 88.8MB in the beginning and 82.9MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:01:35,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.20ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.73ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 521.26ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 54.5MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19957.87ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 53.9MB in the beginning and 88.8MB in the end (delta: -34.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 115.16ms. Allocated memory is still 226.5MB. Free memory was 88.8MB in the beginning and 82.9MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#1.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#1.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset * 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: 641]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 654 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 654 mSDsluCounter, 2204 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 278 IncrementalHoareTripleChecker+Unchecked, 1802 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2862 IncrementalHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 402 mSDtfsCounter, 2862 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 791 GetRequests, 576 SyntacticMatches, 17 SemanticMatches, 198 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2298 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=13, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 136 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 854 NumberOfCodeBlocks, 846 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1125 ConstructedInterpolants, 13 QuantifiedInterpolants, 5343 SizeOfPredicates, 30 NumberOfNonLiveVariables, 2292 ConjunctsInSsa, 197 ConjunctsInUnsatCore, 32 InterpolantComputations, 7 PerfectInterpolantSequences, 392/550 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((i == 0) && (len == 2)) || ((2 <= i) && (len == 2))) || ((i == 1) && (len == 2))) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((2 == len) && (len == 2)) || ((1 <= len) && (len == 2))) || (len == 2)) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (((index == 1) || (index <= 0)) || (index == 0)) - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((((3 == data) && (index == 1)) || ((3 == data) && (index <= 0))) || ((2 == data) && (index == 0))) - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: ((((2 <= i) && (len == 2)) || ((i == 1) && (len == 2))) || ((i == 0) && (len == 2))) RESULT: Ultimate proved your program to be correct! [2024-11-28 05:01:35,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3328bd1c-a114-4500-9ffb-a3a786e93563/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE