./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.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_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/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_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/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_465019fc-e3f8-42f3-8e47-3af892fad720/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 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:40:42,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:40:42,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:40:42,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:40:42,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:40:42,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:40:42,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:40:42,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:40:42,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:40:42,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:40:42,957 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:40:42,957 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:40:42,957 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:40:42,957 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:40:42,957 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:40:42,958 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:40:42,958 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:40:42,958 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:40:42,958 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:40:42,959 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:40:42,959 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:40:42,959 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:40:42,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:40:42,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:40:42,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:40:42,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:40:42,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:40:42,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:40:42,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:40:42,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:40:42,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:40:42,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:40:42,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:40:42,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:40:42,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:40:42,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:40:42,963 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:40:42,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:40:42,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:40:42,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:40:42,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:40:42,964 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_465019fc-e3f8-42f3-8e47-3af892fad720/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 -> 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 [2024-11-13 23:40:43,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:40:43,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:40:43,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:40:43,311 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:40:43,312 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:40:43,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i Unable to find full path for "g++" [2024-11-13 23:40:45,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:40:45,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:40:45,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-13 23:40:45,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/data/407e89da1/7ebf4d382ec04178ba22f8fab3221dd9/FLAGc12bacb95 [2024-11-13 23:40:45,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/data/407e89da1/7ebf4d382ec04178ba22f8fab3221dd9 [2024-11-13 23:40:45,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:40:45,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:40:45,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:40:45,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:40:45,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:40:45,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:45" (1/1) ... [2024-11-13 23:40:45,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26219647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:45, skipping insertion in model container [2024-11-13 23:40:45,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:45" (1/1) ... [2024-11-13 23:40:45,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:40:46,050 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_465019fc-e3f8-42f3-8e47-3af892fad720/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i[915,928] [2024-11-13 23:40:46,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:40:46,156 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:40:46,168 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_465019fc-e3f8-42f3-8e47-3af892fad720/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i[915,928] [2024-11-13 23:40:46,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:40:46,246 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:40:46,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46 WrapperNode [2024-11-13 23:40:46,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:40:46,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:40:46,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:40:46,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:40:46,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,339 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-13 23:40:46,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:40:46,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:40:46,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:40:46,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:40:46,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:40:46,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:40:46,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:40:46,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:40:46,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (1/1) ... [2024-11-13 23:40:46,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:40:46,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:46,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:40:46,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:40:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:40:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:40:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:40:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:40:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:40:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:40:46,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:40:46,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:40:47,129 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 23:40:47,129 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:40:47,476 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:40:47,476 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:40:47,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:47 BoogieIcfgContainer [2024-11-13 23:40:47,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:40:47,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:40:47,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:40:47,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:40:47,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:40:45" (1/3) ... [2024-11-13 23:40:47,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd6cfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:40:47, skipping insertion in model container [2024-11-13 23:40:47,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:46" (2/3) ... [2024-11-13 23:40:47,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd6cfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:40:47, skipping insertion in model container [2024-11-13 23:40:47,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:47" (3/3) ... [2024-11-13 23:40:47,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-81.i [2024-11-13 23:40:47,509 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:40:47,510 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-81.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:40:47,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:40:47,599 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;@40f8b83c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:40:47,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:40:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 23:40:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 23:40:47,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:47,617 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:40:47,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:40:47,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:47,624 INFO L85 PathProgramCache]: Analyzing trace with hash 943294642, now seen corresponding path program 1 times [2024-11-13 23:40:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:47,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623339582] [2024-11-13 23:40:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:47,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 14 proven. 74 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-13 23:40:55,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:55,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623339582] [2024-11-13 23:40:55,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623339582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:55,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104538500] [2024-11-13 23:40:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:55,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:55,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:55,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:55,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:40:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:55,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:40:55,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:45:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 327 proven. 92 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 23:45:53,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:46:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-13 23:46:45,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104538500] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:46:45,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [148595803] [2024-11-13 23:46:45,659 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-13 23:46:45,659 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:46:45,662 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:46:45,666 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:46:45,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:49:56,607 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 62 for LOIs [2024-11-13 23:49:56,616 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:50:10,436 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '638#(and (<= 0 ~var_1_22~0) (<= 1 |#StackHeapBarrier|) (<= ~var_1_18~0 126) (<= 0 ~var_1_21~0) (<= ~var_1_22~0 63) (<= ~var_1_20~0 126) (= 32 ~last_1_var_1_17~0) (<= 0 (+ ~var_1_18~0 1)) (= 31 ~var_1_16~0) (= 10 ~last_1_var_1_7~0) (<= ~var_1_21~0 63) (= ~isInitial~0 1) (= 5 ~last_1_var_1_1~0) (<= 0 (+ ~var_1_20~0 1)) (<= 0 ~var_1_19~0) (<= ~var_1_19~0 126) (= ~last_1_var_1_11~0 4))' at error location [2024-11-13 23:50:10,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:50:10,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:50:10,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 6] total 21 [2024-11-13 23:50:10,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612717279] [2024-11-13 23:50:10,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:50:10,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 23:50:10,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:50:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 23:50:10,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=2764, Unknown=0, NotChecked=0, Total=3660 [2024-11-13 23:50:10,470 INFO L87 Difference]: Start difference. First operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) [2024-11-13 23:50:13,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:50:13,296 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2024-11-13 23:50:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 23:50:13,299 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) Word has length 95 [2024-11-13 23:50:13,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:50:13,303 INFO L225 Difference]: With dead ends: 161 [2024-11-13 23:50:13,303 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:50:13,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2184 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=1450, Invalid=4870, Unknown=0, NotChecked=0, Total=6320 [2024-11-13 23:50:13,314 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 74 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:50:13,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 276 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 23:50:13,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:50:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:50:13,338 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) [2024-11-13 23:50:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:50:13,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2024-11-13 23:50:13,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:50:13,343 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:50:13,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) [2024-11-13 23:50:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:50:13,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:50:13,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:50:13,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:50:13,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:50:13,550 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:50:13,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:50:15,495 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:50:15,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:50:15 BoogieIcfgContainer [2024-11-13 23:50:15,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:50:15,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:50:15,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:50:15,525 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:50:15,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:47" (3/4) ... [2024-11-13 23:50:15,529 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:50:15,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 23:50:15,539 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-13 23:50:15,540 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:50:15,540 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:50:15,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:50:15,681 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:50:15,681 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:50:15,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:50:15,683 INFO L158 Benchmark]: Toolchain (without parser) took 569831.27ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 93.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-11-13 23:50:15,684 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:50:15,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.43ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 78.8MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:50:15,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.05ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 74.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:50:15,686 INFO L158 Benchmark]: Boogie Preprocessor took 64.53ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:50:15,686 INFO L158 Benchmark]: RCFGBuilder took 1071.60ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.5MB in the end (delta: 337.9kB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 23:50:15,688 INFO L158 Benchmark]: TraceAbstraction took 568045.10ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 71.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 935.4MB. Max. memory is 16.1GB. [2024-11-13 23:50:15,688 INFO L158 Benchmark]: Witness Printer took 156.60ms. Allocated memory is still 1.6GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:50:15,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.43ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 78.8MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.05ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 74.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.53ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1071.60ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.5MB in the end (delta: 337.9kB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 568045.10ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 71.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 935.4MB. Max. memory is 16.1GB. * Witness Printer took 156.60ms. Allocated memory is still 1.6GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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: 19]: 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, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 566.0s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 39 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2184 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 356.7s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 5728 SizeOfPredicates, 44 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1767/1950 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: 140]: Loop Invariant Derived loop invariant: ((((var_1_6 <= 127) && (32767 <= var_1_13)) && (127 <= var_1_5)) && (32767 <= var_1_12)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((126 < var_1_5) || (((var_1_5 < var_1_12) || ((var_1_12 == var_1_5) && (var_1_12 <= 0))) && ((var_1_6 == 0) || (var_1_6 < var_1_12)))) Ensures: (((cond != 0) && ((126 < var_1_5) || (((var_1_5 < var_1_12) || ((var_1_12 == var_1_5) && (var_1_12 <= 0))) && ((var_1_6 == 0) || (var_1_6 < var_1_12))))) && ((((((((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (var_1_23 == \old(var_1_23))) && (var_1_24 == \old(var_1_24))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_11 == \old(last_1_var_1_11))) && (last_1_var_1_17 == \old(last_1_var_1_17)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:50:15,910 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-13 23:50:15,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_465019fc-e3f8-42f3-8e47-3af892fad720/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE