./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:41:42,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:41:42,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:41:42,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:41:42,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:41:42,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:41:42,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:41:42,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:41:42,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:41:42,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:41:42,602 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:41:42,602 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:41:42,602 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:41:42,603 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:41:42,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:41:42,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:41:42,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:41:42,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:41:42,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:41:42,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:41:42,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:41:42,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:41:42,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:41:42,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:41:42,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:41:42,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:41:42,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:41:42,609 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2024-11-14 04:41:43,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:41:43,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:41:43,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:41:43,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:41:43,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:41:43,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i Unable to find full path for "g++" [2024-11-14 04:41:45,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:41:45,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:41:45,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2024-11-14 04:41:45,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/data/a15732a65/711332bcb6294da88cb60f0397964f09/FLAGa1e381a61 [2024-11-14 04:41:45,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/data/a15732a65/711332bcb6294da88cb60f0397964f09 [2024-11-14 04:41:45,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:41:45,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:41:45,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:41:45,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:41:45,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:41:45,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:41:45" (1/1) ... [2024-11-14 04:41:45,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e26d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:45, skipping insertion in model container [2024-11-14 04:41:45,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:41:45" (1/1) ... [2024-11-14 04:41:45,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:41:46,345 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_f12bdc28-f970-4751-9b37-69aaccc001d9/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2024-11-14 04:41:46,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:41:46,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:41:46,439 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_f12bdc28-f970-4751-9b37-69aaccc001d9/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2024-11-14 04:41:46,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:41:46,469 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:41:46,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46 WrapperNode [2024-11-14 04:41:46,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:41:46,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:41:46,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:41:46,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:41:46,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,520 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 130 [2024-11-14 04:41:46,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:41:46,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:41:46,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:41:46,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:41:46,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:41:46,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:41:46,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:41:46,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:41:46,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (1/1) ... [2024-11-14 04:41:46,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:41:46,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:41:46,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:41:46,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:41:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:41:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:41:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-11-14 04:41:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-11-14 04:41:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:41:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:41:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:41:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:41:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:41:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:41:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:41:46,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:41:46,852 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:41:46,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:41:47,146 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-14 04:41:47,146 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:41:47,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:41:47,234 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-14 04:41:47,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:41:47 BoogieIcfgContainer [2024-11-14 04:41:47,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:41:47,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:41:47,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:41:47,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:41:47,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:41:45" (1/3) ... [2024-11-14 04:41:47,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221c04fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:41:47, skipping insertion in model container [2024-11-14 04:41:47,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:41:46" (2/3) ... [2024-11-14 04:41:47,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221c04fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:41:47, skipping insertion in model container [2024-11-14 04:41:47,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:41:47" (3/3) ... [2024-11-14 04:41:47,247 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i [2024-11-14 04:41:47,267 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:41:47,269 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG dll2c_update_all_reverse.i that has 2 procedures, 22 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-14 04:41:47,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:41:47,351 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=FINITE_AUTOMATA, 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;@1c6068a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:41:47,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:41:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.588235294117647) internal successors, (27), 18 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:41:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 04:41:47,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:47,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:47,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:47,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:47,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1218092035, now seen corresponding path program 1 times [2024-11-14 04:41:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:47,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970282287] [2024-11-14 04:41:47,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:41:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:41:47,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:47,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970282287] [2024-11-14 04:41:47,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970282287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:41:47,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:41:47,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:41:47,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386190766] [2024-11-14 04:41:47,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:41:47,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:41:47,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:41:47,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:41:48,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:41:48,003 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.588235294117647) internal successors, (27), 18 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:41:48,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:41:48,102 INFO L93 Difference]: Finished difference Result 37 states and 54 transitions. [2024-11-14 04:41:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:41:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-14 04:41:48,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:41:48,113 INFO L225 Difference]: With dead ends: 37 [2024-11-14 04:41:48,113 INFO L226 Difference]: Without dead ends: 19 [2024-11-14 04:41:48,117 INFO L431 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 [2024-11-14 04:41:48,123 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:41:48,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:41:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-14 04:41:48,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-11-14 04:41:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:41:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-14 04:41:48,171 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 12 [2024-11-14 04:41:48,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:41:48,172 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-14 04:41:48,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:41:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-14 04:41:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 04:41:48,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:48,176 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:48,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:41:48,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:48,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:48,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1322522601, now seen corresponding path program 1 times [2024-11-14 04:41:48,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:48,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264870647] [2024-11-14 04:41:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:48,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:41:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:41:48,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264870647] [2024-11-14 04:41:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264870647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:41:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:41:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:41:48,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125798154] [2024-11-14 04:41:48,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:41:48,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:41:48,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:41:48,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:41:48,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:41:48,438 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:41:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:41:48,547 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2024-11-14 04:41:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:41:48,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-14 04:41:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:41:48,548 INFO L225 Difference]: With dead ends: 29 [2024-11-14 04:41:48,548 INFO L226 Difference]: Without dead ends: 24 [2024-11-14 04:41:48,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:41:48,550 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:41:48,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:41:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-14 04:41:48,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2024-11-14 04:41:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:41:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-14 04:41:48,563 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 18 [2024-11-14 04:41:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:41:48,564 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-14 04:41:48,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:41:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-14 04:41:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:41:48,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:48,565 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:48,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:41:48,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:48,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2087560469, now seen corresponding path program 1 times [2024-11-14 04:41:48,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:48,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620034286] [2024-11-14 04:41:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:41:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:41:48,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620034286] [2024-11-14 04:41:48,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620034286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:41:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207660098] [2024-11-14 04:41:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:41:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:41:48,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:41:48,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:41:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:49,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:41:49,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:41:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:41:49,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:41:49,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207660098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:41:49,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:41:49,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-14 04:41:49,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253418080] [2024-11-14 04:41:49,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:41:49,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:41:49,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:41:49,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:41:49,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:41:49,296 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:41:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:41:49,427 INFO L93 Difference]: Finished difference Result 32 states and 43 transitions. [2024-11-14 04:41:49,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:41:49,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-14 04:41:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:41:49,429 INFO L225 Difference]: With dead ends: 32 [2024-11-14 04:41:49,429 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 04:41:49,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:41:49,430 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:41:49,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 34 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:41:49,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 04:41:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2024-11-14 04:41:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:41:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2024-11-14 04:41:49,440 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 20 [2024-11-14 04:41:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:41:49,440 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-11-14 04:41:49,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:41:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-14 04:41:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 04:41:49,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:49,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:49,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:41:49,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:41:49,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:49,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1972115806, now seen corresponding path program 1 times [2024-11-14 04:41:49,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188041490] [2024-11-14 04:41:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:49,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:41:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:41:50,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:50,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188041490] [2024-11-14 04:41:50,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188041490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:41:50,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282903483] [2024-11-14 04:41:50,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:50,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:41:50,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:41:50,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:41:50,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:41:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:50,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:41:50,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:41:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:41:50,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:41:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:41:50,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282903483] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:41:50,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1040849008] [2024-11-14 04:41:50,496 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:41:50,496 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:41:50,500 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:41:50,504 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:41:50,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:41:52,414 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-14 04:41:52,429 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:41:53,887 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '469#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 (+ 2147483648 (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8)))) (<= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8)) 2147483647) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8)) 1)) (= |ULTIMATE.start_main_~len~0#1| 1))' at error location [2024-11-14 04:41:53,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:41:53,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:41:53,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-14 04:41:53,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967567484] [2024-11-14 04:41:53,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:41:53,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:41:53,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:41:53,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:41:53,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:41:53,893 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:41:54,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:41:54,019 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2024-11-14 04:41:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:41:54,020 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2024-11-14 04:41:54,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:41:54,021 INFO L225 Difference]: With dead ends: 32 [2024-11-14 04:41:54,021 INFO L226 Difference]: Without dead ends: 27 [2024-11-14 04:41:54,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:41:54,022 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 66 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:41:54,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 25 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:41:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-14 04:41:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2024-11-14 04:41:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:41:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2024-11-14 04:41:54,030 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 21 [2024-11-14 04:41:54,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:41:54,030 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-11-14 04:41:54,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:41:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-14 04:41:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:41:54,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:54,032 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:54,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:41:54,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:41:54,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:54,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1450794852, now seen corresponding path program 2 times [2024-11-14 04:41:54,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:54,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103202325] [2024-11-14 04:41:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:41:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:41:54,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:54,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103202325] [2024-11-14 04:41:54,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103202325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:41:54,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:41:54,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:41:54,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618307290] [2024-11-14 04:41:54,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:41:54,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:41:54,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:41:54,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:41:54,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:41:54,492 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:41:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:41:54,597 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2024-11-14 04:41:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:41:54,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-14 04:41:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:41:54,599 INFO L225 Difference]: With dead ends: 32 [2024-11-14 04:41:54,600 INFO L226 Difference]: Without dead ends: 27 [2024-11-14 04:41:54,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:41:54,602 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 21 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:41:54,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 29 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:41:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-14 04:41:54,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2024-11-14 04:41:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:41:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2024-11-14 04:41:54,616 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 23 [2024-11-14 04:41:54,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:41:54,616 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2024-11-14 04:41:54,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:41:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-14 04:41:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 04:41:54,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:54,618 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:54,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:41:54,618 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:54,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:54,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2027196743, now seen corresponding path program 1 times [2024-11-14 04:41:54,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:54,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400682675] [2024-11-14 04:41:54,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:54,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:41:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:41:57,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:57,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400682675] [2024-11-14 04:41:57,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400682675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:41:57,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731666344] [2024-11-14 04:41:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:57,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:41:57,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:41:57,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:41:57,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:41:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:57,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-14 04:41:57,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:41:57,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 04:41:58,240 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 04:41:58,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 04:41:58,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-14 04:41:58,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-14 04:41:58,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-14 04:41:58,461 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2024-11-14 04:41:58,462 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 2 case distinctions, treesize of input 87 treesize of output 48 [2024-11-14 04:41:58,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-11-14 04:41:58,920 INFO L349 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2024-11-14 04:41:58,921 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 79 [2024-11-14 04:41:58,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-14 04:41:58,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2024-11-14 04:41:58,958 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 5 treesize of output 3 [2024-11-14 04:41:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:41:59,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:41:59,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 41 [2024-11-14 04:41:59,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-14 04:41:59,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:41:59,239 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 37 treesize of output 21 [2024-11-14 04:41:59,451 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 54 treesize of output 28 [2024-11-14 04:41:59,457 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 21 treesize of output 13 [2024-11-14 04:41:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:41:59,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:41:59,711 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_551 Int) (v_ArrVal_553 (Array Int Int)) (v_ArrVal_552 (Array Int Int))) (let ((.cse0 (+ 8 |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (or (not (= v_ArrVal_552 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 (select v_ArrVal_552 .cse0)))) (= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_553) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse0 v_ArrVal_551)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_552) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 8)) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2))))) is different from false [2024-11-14 04:41:59,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:41:59,936 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 40 treesize of output 41 [2024-11-14 04:41:59,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:41:59,954 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 79 treesize of output 78 [2024-11-14 04:41:59,964 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 29 treesize of output 18 [2024-11-14 04:42:00,549 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse4 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (and (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_549 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store .cse4 |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (let ((.cse3 (select .cse1 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse1 .cse2 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|)) .cse3 v_ArrVal_549) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) .cse3))))) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_549 (Array Int Int))) (not (= (select (select (let ((.cse5 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store .cse4 |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (let ((.cse6 (select .cse5 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (store (store .cse5 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse6 .cse2 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (select .cse6 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_549))) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (forall ((v_ArrVal_545 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| Int) (v_ArrVal_544 (Array Int Int))) (= (select v_ArrVal_544 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_545) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_544) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store .cse4 |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_548) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))))) is different from false [2024-11-14 04:42:00,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:42:00,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 83 [2024-11-14 04:42:00,630 INFO L349 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2024-11-14 04:42:00,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 86 [2024-11-14 04:42:00,841 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 6 treesize of output 4 [2024-11-14 04:42:00,913 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-14 04:42:00,914 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 434 treesize of output 418 [2024-11-14 04:42:00,927 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 390 treesize of output 388 [2024-11-14 04:42:00,936 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 388 treesize of output 386 [2024-11-14 04:42:00,956 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 419 treesize of output 417 [2024-11-14 04:42:00,972 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 7 treesize of output 5 [2024-11-14 04:42:01,161 INFO L349 Elim1Store]: treesize reduction 37, result has 50.7 percent of original size [2024-11-14 04:42:01,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 3130 treesize of output 3094 [2024-11-14 04:42:01,433 INFO L349 Elim1Store]: treesize reduction 15, result has 67.4 percent of original size [2024-11-14 04:42:01,434 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 741 treesize of output 755 [2024-11-14 04:42:01,501 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 692 treesize of output 686 [2024-11-14 04:42:01,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:42:01,551 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 725 treesize of output 727 [2024-11-14 04:42:01,612 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 697 treesize of output 693 [2024-11-14 04:42:01,659 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 705 treesize of output 695 [2024-11-14 04:42:01,706 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 699 treesize of output 689 [2024-11-14 04:42:01,778 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 693 treesize of output 685 [2024-11-14 04:42:01,846 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 689 treesize of output 681 [2024-11-14 04:42:01,897 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 673 treesize of output 671 [2024-11-14 04:42:01,931 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 707 treesize of output 689 [2024-11-14 04:42:01,977 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 717 treesize of output 701 [2024-11-14 04:42:02,028 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 693 treesize of output 669 [2024-11-14 04:42:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-11-14 04:42:02,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731666344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:42:02,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1120502483] [2024-11-14 04:42:02,859 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:42:02,859 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:42:02,860 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:42:02,860 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:42:02,860 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:42:03,829 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-14 04:42:03,841 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:42:15,966 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '860#(exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_24| Int) (|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_24| Int)) (and (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_24|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_24| 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_24|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_24| 8)) 2147483648))))' at error location [2024-11-14 04:42:15,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:42:15,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:42:15,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 53 [2024-11-14 04:42:15,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857954399] [2024-11-14 04:42:15,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:42:15,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-14 04:42:15,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:15,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-14 04:42:15,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=3774, Unknown=25, NotChecked=250, Total=4290 [2024-11-14 04:42:15,970 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 53 states, 47 states have (on average 1.127659574468085) internal successors, (53), 45 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 04:42:18,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:18,061 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2024-11-14 04:42:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 04:42:18,062 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 47 states have (on average 1.127659574468085) internal successors, (53), 45 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 24 [2024-11-14 04:42:18,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:18,064 INFO L225 Difference]: With dead ends: 50 [2024-11-14 04:42:18,064 INFO L226 Difference]: Without dead ends: 48 [2024-11-14 04:42:18,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=389, Invalid=5445, Unknown=26, NotChecked=302, Total=6162 [2024-11-14 04:42:18,068 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 77 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:18,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 203 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 707 Invalid, 0 Unknown, 104 Unchecked, 0.9s Time] [2024-11-14 04:42:18,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-14 04:42:18,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 36. [2024-11-14 04:42:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:42:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-14 04:42:18,079 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 24 [2024-11-14 04:42:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:18,079 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-14 04:42:18,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 47 states have (on average 1.127659574468085) internal successors, (53), 45 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 04:42:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-14 04:42:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:42:18,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:18,080 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:18,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 04:42:18,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:18,281 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:18,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:18,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1579181116, now seen corresponding path program 2 times [2024-11-14 04:42:18,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:18,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591477237] [2024-11-14 04:42:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:42:18,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:18,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591477237] [2024-11-14 04:42:18,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591477237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:18,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:42:18,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:42:18,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032534127] [2024-11-14 04:42:18,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:18,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:42:18,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:18,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:42:18,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:42:18,450 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:42:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:18,541 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2024-11-14 04:42:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:42:18,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-14 04:42:18,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:18,546 INFO L225 Difference]: With dead ends: 42 [2024-11-14 04:42:18,546 INFO L226 Difference]: Without dead ends: 37 [2024-11-14 04:42:18,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:42:18,546 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:18,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 35 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:42:18,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-14 04:42:18,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-14 04:42:18,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:42:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-14 04:42:18,564 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 25 [2024-11-14 04:42:18,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:18,565 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-14 04:42:18,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:42:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-14 04:42:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:42:18,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:18,568 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:18,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:42:18,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:18,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:18,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2036513794, now seen corresponding path program 3 times [2024-11-14 04:42:18,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:18,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299396656] [2024-11-14 04:42:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:18,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:42:18,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:18,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299396656] [2024-11-14 04:42:18,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299396656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:42:18,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76289121] [2024-11-14 04:42:18,728 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:42:18,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:18,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:18,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:42:18,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:42:18,917 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:42:18,917 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:42:18,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:42:18,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:42:18,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:42:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:42:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76289121] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:42:19,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1614918427] [2024-11-14 04:42:19,021 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:42:19,022 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:42:19,023 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:42:19,023 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:42:19,023 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:42:19,714 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-14 04:42:19,724 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:42:28,725 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1348#(exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_30| Int) (|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_30| Int)) (and (<= 0 (+ 2147483648 (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_30|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_30| 8)))) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_30|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_30| 8)) 2147483647)))' at error location [2024-11-14 04:42:28,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:42:28,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:42:28,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-14 04:42:28,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763930209] [2024-11-14 04:42:28,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:42:28,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 04:42:28,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:28,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 04:42:28,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=477, Unknown=4, NotChecked=0, Total=552 [2024-11-14 04:42:28,727 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:42:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:28,891 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2024-11-14 04:42:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:42:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-14 04:42:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:28,892 INFO L225 Difference]: With dead ends: 51 [2024-11-14 04:42:28,892 INFO L226 Difference]: Without dead ends: 41 [2024-11-14 04:42:28,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=117, Invalid=691, Unknown=4, NotChecked=0, Total=812 [2024-11-14 04:42:28,893 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 35 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:28,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 71 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:42:28,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-14 04:42:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2024-11-14 04:42:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:42:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2024-11-14 04:42:28,909 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 25 [2024-11-14 04:42:28,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:28,910 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2024-11-14 04:42:28,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:42:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-14 04:42:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:42:28,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:28,910 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:28,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:42:29,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:29,111 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:29,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:29,111 INFO L85 PathProgramCache]: Analyzing trace with hash 670340738, now seen corresponding path program 4 times [2024-11-14 04:42:29,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:29,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512830603] [2024-11-14 04:42:29,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-14 04:42:29,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512830603] [2024-11-14 04:42:29,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512830603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:29,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:42:29,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:42:29,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352687778] [2024-11-14 04:42:29,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:29,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:42:29,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:29,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:42:29,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:42:29,250 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:42:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:29,330 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2024-11-14 04:42:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:42:29,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-14 04:42:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:29,331 INFO L225 Difference]: With dead ends: 53 [2024-11-14 04:42:29,331 INFO L226 Difference]: Without dead ends: 41 [2024-11-14 04:42:29,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:42:29,332 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 28 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 [2024-11-14 04:42:29,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 28 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:42:29,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-14 04:42:29,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2024-11-14 04:42:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:42:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2024-11-14 04:42:29,350 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 25 [2024-11-14 04:42:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:29,350 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2024-11-14 04:42:29,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:42:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2024-11-14 04:42:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 04:42:29,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:29,351 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:29,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:42:29,351 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:29,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:29,351 INFO L85 PathProgramCache]: Analyzing trace with hash -682342590, now seen corresponding path program 1 times [2024-11-14 04:42:29,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:29,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103356638] [2024-11-14 04:42:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:29,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:42:30,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:30,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103356638] [2024-11-14 04:42:30,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103356638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:42:30,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688707335] [2024-11-14 04:42:30,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:30,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:30,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:30,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:42:30,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:42:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:30,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-14 04:42:30,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:30,476 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 17 treesize of output 13 [2024-11-14 04:42:30,612 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 30 treesize of output 12 [2024-11-14 04:42:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:42:30,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:42:30,745 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 38 treesize of output 32 [2024-11-14 04:42:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:42:30,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688707335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:42:30,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1864462197] [2024-11-14 04:42:30,775 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:42:30,776 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:42:30,776 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:42:30,776 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:42:30,776 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:42:31,609 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-14 04:42:31,618 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:42:33,977 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1874#(and (= |ULTIMATE.start_main_~len~0#1| 2) (exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_41| Int) (|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_41| Int)) (and (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_41|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_41| 8)) 2147483647) (<= 0 (+ 2147483648 (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_41|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_41| 8)))))) (<= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))' at error location [2024-11-14 04:42:33,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:42:33,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:42:33,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 26 [2024-11-14 04:42:33,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435794756] [2024-11-14 04:42:33,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:42:33,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 04:42:33,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:33,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 04:42:33,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1426, Unknown=0, NotChecked=0, Total=1560 [2024-11-14 04:42:33,979 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 26 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:42:34,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:34,603 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2024-11-14 04:42:34,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 04:42:34,604 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2024-11-14 04:42:34,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:34,605 INFO L225 Difference]: With dead ends: 47 [2024-11-14 04:42:34,605 INFO L226 Difference]: Without dead ends: 45 [2024-11-14 04:42:34,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=242, Invalid=2014, Unknown=0, NotChecked=0, Total=2256 [2024-11-14 04:42:34,606 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 57 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:34,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 226 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:42:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-14 04:42:34,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2024-11-14 04:42:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:42:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2024-11-14 04:42:34,618 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2024-11-14 04:42:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:34,618 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2024-11-14 04:42:34,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:42:34,618 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2024-11-14 04:42:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 04:42:34,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:34,619 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:34,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:42:34,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 04:42:34,820 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:34,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:34,820 INFO L85 PathProgramCache]: Analyzing trace with hash 319986899, now seen corresponding path program 2 times [2024-11-14 04:42:34,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:34,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215071925] [2024-11-14 04:42:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:34,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:42:34,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:34,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215071925] [2024-11-14 04:42:34,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215071925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:42:34,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527710573] [2024-11-14 04:42:34,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:42:34,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:34,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:34,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:42:34,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:42:35,212 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 04:42:35,212 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:42:35,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:42:35,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:42:35,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:42:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:42:35,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527710573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:42:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2068051171] [2024-11-14 04:42:35,331 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:42:35,333 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:42:35,334 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:42:35,334 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:42:35,334 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:42:36,014 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2024-11-14 04:42:36,024 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:42:37,062 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2219#(and (exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_52| Int) (|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_52| Int)) (and (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_52|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_52| 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_52|) (+ |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.offset_52| 8)) 2147483648)))) (<= 1 |ULTIMATE.start_main_~len~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|))' at error location [2024-11-14 04:42:37,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:42:37,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:42:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-14 04:42:37,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361199962] [2024-11-14 04:42:37,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:42:37,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:42:37,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:37,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:42:37,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:42:37,064 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:42:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:37,152 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2024-11-14 04:42:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:42:37,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-14 04:42:37,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:37,153 INFO L225 Difference]: With dead ends: 45 [2024-11-14 04:42:37,153 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 04:42:37,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-11-14 04:42:37,154 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:37,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 47 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:42:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 04:42:37,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-14 04:42:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:42:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-14 04:42:37,161 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 28 [2024-11-14 04:42:37,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:37,161 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-14 04:42:37,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:42:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-14 04:42:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 04:42:37,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:37,162 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:37,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 04:42:37,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-14 04:42:37,363 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:37,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:37,363 INFO L85 PathProgramCache]: Analyzing trace with hash 644299981, now seen corresponding path program 5 times [2024-11-14 04:42:37,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:37,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144132602] [2024-11-14 04:42:37,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:42:37,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:37,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144132602] [2024-11-14 04:42:37,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144132602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:42:37,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32019112] [2024-11-14 04:42:37,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:42:37,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:42:37,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:42:37,458 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:42:37,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:42:37,689 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 04:42:37,689 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:42:37,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:42:37,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:42:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:42:37,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:42:37,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32019112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:37,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:42:37,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-14 04:42:37,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381870349] [2024-11-14 04:42:37,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:37,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:42:37,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:42:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:42:37,715 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 04:42:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:37,741 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-14 04:42:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:42:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-14 04:42:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:37,743 INFO L225 Difference]: With dead ends: 28 [2024-11-14 04:42:37,743 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:42:37,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:42:37,743 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:37,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:42:37,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:42:37,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:42:37,744 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) [2024-11-14 04:42:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:42:37,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-14 04:42:37,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:37,744 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:42:37,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 04:42:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:42:37,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:42:37,748 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:42:37,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:42:37,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-14 04:42:37,952 INFO L407 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1, 1, 1] [2024-11-14 04:42:37,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:42:38,528 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:42:38,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-14 04:42:38,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-14 04:42:38,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-14 04:42:38,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-14 04:42:38,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-14 04:42:38,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:42:38,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:42:38,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:42:38,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:42:38,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~last~0!base [2024-11-14 04:42:38,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,570 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IdentifierExpression[~head!offset,]]]]] [2024-11-14 04:42:38,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-14 04:42:38,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!offset [2024-11-14 04:42:38,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] [2024-11-14 04:42:38,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!base [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:42:38,576 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~expected~0 [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~len~0 [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-14 04:42:38,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head!base [2024-11-14 04:42:38,579 WARN L162 FloydHoareUtils]: Requires clause for node_create contained old-variable. Original clause: (= |old(#valid)| |#valid|) Eliminated clause: true [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:42:38,583 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:42:38,585 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-14 04:42:38,586 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-14 04:42:38,586 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-14 04:42:38,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:42:38 BoogieIcfgContainer [2024-11-14 04:42:38,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:42:38,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:42:38,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:42:38,587 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:42:38,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:41:47" (3/4) ... [2024-11-14 04:42:38,590 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:42:38,594 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2024-11-14 04:42:38,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-14 04:42:38,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-14 04:42:38,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:42:38,599 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:42:38,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:42:38,690 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:42:38,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:42:38,691 INFO L158 Benchmark]: Toolchain (without parser) took 52853.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.1MB in the beginning and 313.4MB in the end (delta: -222.3MB). Peak memory consumption was 213.6MB. Max. memory is 16.1GB. [2024-11-14 04:42:38,691 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:38,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.65ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 72.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:42:38,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.49ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:42:38,692 INFO L158 Benchmark]: Boogie Preprocessor took 57.32ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:42:38,692 INFO L158 Benchmark]: RCFGBuilder took 655.14ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 49.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:42:38,692 INFO L158 Benchmark]: TraceAbstraction took 51348.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 48.8MB in the beginning and 118.1MB in the end (delta: -69.2MB). Peak memory consumption was 163.3MB. Max. memory is 16.1GB. [2024-11-14 04:42:38,692 INFO L158 Benchmark]: Witness Printer took 102.58ms. Allocated memory is still 352.3MB. Free memory was 118.1MB in the beginning and 313.4MB in the end (delta: -195.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:42:38,694 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.65ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 72.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.49ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.32ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 655.14ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 49.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 51348.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 48.8MB in the beginning and 118.1MB in the end (delta: -69.2MB). Peak memory consumption was 163.3MB. Max. memory is 16.1GB. * Witness Printer took 102.58ms. Allocated memory is still 352.3MB. Free memory was 118.1MB in the beginning and 313.4MB in the end (delta: -195.3MB). 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: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!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: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - 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: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~last~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head!base,]]],[IdentifierExpression[~head!offset,]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~head!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~s~0!base,]]],[IntegerLiteral[0]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#valid,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - 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: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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: 643]: 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 363 mSDsluCounter, 772 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 104 IncrementalHoareTripleChecker+Unchecked, 634 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1375 IncrementalHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 138 mSDtfsCounter, 1375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 544 GetRequests, 312 SyntacticMatches, 9 SemanticMatches, 223 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2541 ImplicationChecksByTransitivity, 31.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=7, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 52 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 453 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 554 ConstructedInterpolants, 10 QuantifiedInterpolants, 2861 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2088 ConjunctsInSsa, 154 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 209/285 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((3 == data) && (index == 0)) || ((index == 1) && (3 == data))) || ((index == 0) && (2 == data))) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((i <= 0) && (len == 2)) || ((i == 1) && (len == 2))) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: ((((i == 0) && (len == 2)) || ((i == 1) && (len == 2))) || ((i <= 0) && (len == 2))) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: (((len == 2) && (len <= 1)) || ((2 == len) && (len == 2))) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (((index == 1) || (index <= 0)) || (index <= 0)) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:42:38,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12bdc28-f970-4751-9b37-69aaccc001d9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE