./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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 9946b8f2044511113ae8f74201f189348f6c8338b35f7642acfb4580613f868c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:42:02,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:42:02,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:42:02,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:42:02,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:42:02,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:42:02,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:42:02,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:42:02,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:42:02,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:42:02,938 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:42:02,938 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:42:02,938 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:42:02,938 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:42:02,939 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:42:02,939 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:42:02,939 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:42:02,939 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:42:02,939 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:42:02,939 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:42:02,939 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:42:02,940 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:42:02,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:42:02,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:42:02,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:42:02,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:42:02,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:42:02,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:42:02,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:42:02,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:42:02,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:42:02,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:42:02,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:42:02,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:42:02,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:42:02,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:42:02,944 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:42:02,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:42:02,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:42:02,945 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:42:02,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:42:02,946 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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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 -> 9946b8f2044511113ae8f74201f189348f6c8338b35f7642acfb4580613f868c [2024-11-14 05:42:03,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:42:03,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:42:03,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:42:03,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:42:03,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:42:03,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i Unable to find full path for "g++" [2024-11-14 05:42:05,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:42:05,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:42:05,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i [2024-11-14 05:42:05,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data/ea2a474bd/2fb422a8651948d5840838283062332c/FLAG12311990d [2024-11-14 05:42:05,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data/ea2a474bd/2fb422a8651948d5840838283062332c [2024-11-14 05:42:05,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:42:05,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:42:05,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:42:05,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:42:05,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:42:05,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:42:05" (1/1) ... [2024-11-14 05:42:05,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d90c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:05, skipping insertion in model container [2024-11-14 05:42:05,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:42:05" (1/1) ... [2024-11-14 05:42:05,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:42:06,074 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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i[913,926] [2024-11-14 05:42:06,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:42:06,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:42:06,154 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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i[913,926] [2024-11-14 05:42:06,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:42:06,197 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:42:06,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06 WrapperNode [2024-11-14 05:42:06,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:42:06,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:42:06,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:42:06,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:42:06,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,273 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-14 05:42:06,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:42:06,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:42:06,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:42:06,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:42:06,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:42:06,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:42:06,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:42:06,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:42:06,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (1/1) ... [2024-11-14 05:42:06,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:42:06,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:42:06,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:42:06,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:42:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:42:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:42:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:42:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:42:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:42:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:42:06,522 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:42:06,525 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:42:06,911 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 05:42:06,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:42:07,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:42:07,198 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:42:07,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:42:07 BoogieIcfgContainer [2024-11-14 05:42:07,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:42:07,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:42:07,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:42:07,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:42:07,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:42:05" (1/3) ... [2024-11-14 05:42:07,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62760ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:42:07, skipping insertion in model container [2024-11-14 05:42:07,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:06" (2/3) ... [2024-11-14 05:42:07,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62760ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:42:07, skipping insertion in model container [2024-11-14 05:42:07,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:42:07" (3/3) ... [2024-11-14 05:42:07,217 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-69.i [2024-11-14 05:42:07,236 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:42:07,238 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-69.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:42:07,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:42:07,342 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;@207e1ffe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:42:07,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:42:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:42:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-14 05:42:07,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:42:07,360 INFO L215 NwaCegarLoop]: trace histogram [15, 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] [2024-11-14 05:42:07,360 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:42:07,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:42:07,368 INFO L85 PathProgramCache]: Analyzing trace with hash -738665376, now seen corresponding path program 1 times [2024-11-14 05:42:07,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:42:07,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805370418] [2024-11-14 05:42:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:42:07,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:42:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:42:07,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515531547] [2024-11-14 05:42:07,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:42:07,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:42:07,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:42:07,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:42:07,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:42:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:42:07,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:42:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:42:07,910 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:42:07,913 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:42:07,915 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:42:07,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:42:08,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:42:08,123 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:42:08,198 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:42:08,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:42:08 BoogieIcfgContainer [2024-11-14 05:42:08,205 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:42:08,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:42:08,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:42:08,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:42:08,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:42:07" (3/4) ... [2024-11-14 05:42:08,211 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:42:08,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:42:08,216 INFO L158 Benchmark]: Toolchain (without parser) took 2315.71ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 56.0MB in the end (delta: 27.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-14 05:42:08,216 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:42:08,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.77ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 71.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:42:08,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.31ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 69.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:42:08,217 INFO L158 Benchmark]: Boogie Preprocessor took 46.36ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 68.6MB in the end (delta: 790.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:42:08,218 INFO L158 Benchmark]: RCFGBuilder took 876.60ms. Allocated memory is still 109.1MB. Free memory was 68.2MB in the beginning and 41.1MB in the end (delta: 27.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:42:08,218 INFO L158 Benchmark]: TraceAbstraction took 1002.19ms. Allocated memory is still 109.1MB. Free memory was 40.7MB in the beginning and 56.0MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:42:08,218 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 109.1MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:42:08,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.77ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 71.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.31ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 69.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.36ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 68.6MB in the end (delta: 790.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 876.60ms. Allocated memory is still 109.1MB. Free memory was 68.2MB in the beginning and 41.1MB in the end (delta: 27.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1002.19ms. Allocated memory is still 109.1MB. Free memory was 40.7MB in the beginning and 56.0MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 109.1MB. Free memory is still 56.0MB. There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -100; [L23] unsigned long int var_1_2 = 0; [L24] unsigned long int var_1_3 = 8; [L25] unsigned long int var_1_4 = 256; [L26] unsigned long int var_1_5 = 500; [L27] signed char var_1_7 = -64; [L28] signed char var_1_8 = -8; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 4.625; [L32] double var_1_13 = 15.5; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L78] var_1_3 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L81] var_1_4 = __VERIFIER_nondet_ulong() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L84] var_1_5 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L87] var_1_8 = __VERIFIER_nondet_char() [L88] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L96] var_1_13 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=37/8, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=37/8, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L110] RET updateVariables() [L111] CALL step() [L36] COND TRUE var_1_2 < (((((var_1_4 * var_1_5)) > (var_1_3)) ? ((var_1_4 * var_1_5)) : (var_1_3))) [L37] var_1_7 = var_1_8 [L49] unsigned long int stepLocal_1 = var_1_5; [L50] unsigned long int stepLocal_0 = var_1_2 * ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))); [L51] COND FALSE !(stepLocal_0 < var_1_5) [L58] unsigned char stepLocal_3 = var_1_9; [L59] signed long int stepLocal_2 = var_1_1 + var_1_7; [L60] COND TRUE ((var_1_7 + var_1_8) == var_1_4) && stepLocal_3 [L61] COND FALSE !(! var_1_10) [L68] var_1_11 = var_1_13 [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((((var_1_2 * ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < var_1_5) ? ((var_1_5 > var_1_2) ? (var_1_1 == ((signed short int) var_1_7)) : (var_1_1 == ((signed short int) var_1_7))) : 1) && ((var_1_2 < (((((var_1_4 * var_1_5)) > (var_1_3)) ? ((var_1_4 * var_1_5)) : (var_1_3)))) ? (var_1_7 == ((signed char) var_1_8)) : ((var_1_9 || var_1_10) ? (var_1_7 == ((signed char) var_1_8)) : ((var_1_3 < var_1_4) ? (var_1_7 == ((signed char) var_1_8)) : (var_1_7 == ((signed char) -4)))))) && ((((var_1_7 + var_1_8) == var_1_4) && var_1_9) ? ((! var_1_10) ? (((var_1_1 + var_1_7) != var_1_8) ? (var_1_11 == ((double) var_1_13)) : (var_1_11 == ((double) var_1_13))) : (var_1_11 == ((double) var_1_13))) : (var_1_11 == ((double) var_1_13))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_13=2, var_1_1=-100, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_13=2, var_1_1=-100, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:42:08,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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 9946b8f2044511113ae8f74201f189348f6c8338b35f7642acfb4580613f868c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:42:11,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:42:11,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:42:11,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:42:11,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:42:11,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:42:11,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:42:11,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:42:11,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:42:11,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:42:11,633 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:42:11,633 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:42:11,633 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:42:11,633 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:42:11,633 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:42:11,633 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:42:11,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:42:11,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:42:11,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:42:11,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:42:11,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:42:11,636 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:42:11,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:42:11,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:42:11,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:42:11,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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 -> 9946b8f2044511113ae8f74201f189348f6c8338b35f7642acfb4580613f868c [2024-11-14 05:42:12,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:42:12,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:42:12,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:42:12,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:42:12,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:42:12,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i Unable to find full path for "g++" [2024-11-14 05:42:14,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:42:14,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:42:14,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i [2024-11-14 05:42:14,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data/f5eb808fb/338c177761694c56a639254d56556324/FLAG297763bcc [2024-11-14 05:42:14,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/data/f5eb808fb/338c177761694c56a639254d56556324 [2024-11-14 05:42:14,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:42:14,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:42:14,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:42:14,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:42:14,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:42:14,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:42:14" (1/1) ... [2024-11-14 05:42:14,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28658ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:14, skipping insertion in model container [2024-11-14 05:42:14,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:42:14" (1/1) ... [2024-11-14 05:42:14,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:42:14,901 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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i[913,926] [2024-11-14 05:42:14,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:42:15,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:42:15,021 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_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-69.i[913,926] [2024-11-14 05:42:15,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:42:15,068 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:42:15,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15 WrapperNode [2024-11-14 05:42:15,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:42:15,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:42:15,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:42:15,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:42:15,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,115 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-14 05:42:15,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:42:15,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:42:15,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:42:15,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:42:15,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:42:15,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:42:15,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:42:15,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:42:15,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (1/1) ... [2024-11-14 05:42:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:42:15,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:42:15,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:42:15,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:42:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:42:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:42:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:42:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:42:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:42:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:42:15,328 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:42:15,330 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:42:15,832 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 05:42:15,833 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:42:15,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:42:15,848 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:42:15,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:42:15 BoogieIcfgContainer [2024-11-14 05:42:15,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:42:15,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:42:15,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:42:15,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:42:15,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:42:14" (1/3) ... [2024-11-14 05:42:15,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b5a2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:42:15, skipping insertion in model container [2024-11-14 05:42:15,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:42:15" (2/3) ... [2024-11-14 05:42:15,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b5a2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:42:15, skipping insertion in model container [2024-11-14 05:42:15,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:42:15" (3/3) ... [2024-11-14 05:42:15,864 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-69.i [2024-11-14 05:42:15,886 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:42:15,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-69.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:42:15,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:42:16,006 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;@408bd536, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:42:16,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:42:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:42:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-14 05:42:16,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:42:16,028 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:42:16,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:42:16,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:42:16,036 INFO L85 PathProgramCache]: Analyzing trace with hash 604525091, now seen corresponding path program 1 times [2024-11-14 05:42:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:42:16,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246699076] [2024-11-14 05:42:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:42:16,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:42:16,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:42:16,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:42:16,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:42:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:42:16,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:42:16,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:42:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:42:44,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:42:44,647 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:42:44,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246699076] [2024-11-14 05:42:44,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246699076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:42:44,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:42:44,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-14 05:42:44,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114596796] [2024-11-14 05:42:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:42:44,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:42:44,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:42:44,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:42:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:42:44,693 INFO L87 Difference]: Start difference. First operand has 52 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:42:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:42:54,970 INFO L93 Difference]: Finished difference Result 128 states and 209 transitions. [2024-11-14 05:42:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 05:42:54,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2024-11-14 05:42:54,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:42:54,997 INFO L225 Difference]: With dead ends: 128 [2024-11-14 05:42:54,997 INFO L226 Difference]: Without dead ends: 79 [2024-11-14 05:42:55,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-14 05:42:55,013 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 141 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:42:55,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 212 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-14 05:42:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-14 05:42:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2024-11-14 05:42:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:42:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 86 transitions. [2024-11-14 05:42:55,086 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 86 transitions. Word has length 97 [2024-11-14 05:42:55,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:42:55,089 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 86 transitions. [2024-11-14 05:42:55,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:42:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2024-11-14 05:42:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-14 05:42:55,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:42:55,093 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:42:55,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:42:55,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:42:55,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:42:55,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:42:55,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1903335668, now seen corresponding path program 1 times [2024-11-14 05:42:55,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:42:55,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464924641] [2024-11-14 05:42:55,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:42:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:42:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:42:55,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:42:55,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:42:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:42:55,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 05:42:55,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:43:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:43:14,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:43:14,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:43:14,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464924641] [2024-11-14 05:43:14,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464924641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:43:14,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:43:14,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 05:43:14,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429086377] [2024-11-14 05:43:14,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:43:14,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 05:43:14,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:43:14,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 05:43:14,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:43:14,565 INFO L87 Difference]: Start difference. First operand 61 states and 86 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:43:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:43:19,736 INFO L93 Difference]: Finished difference Result 79 states and 108 transitions. [2024-11-14 05:43:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 05:43:19,740 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 98 [2024-11-14 05:43:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:43:19,742 INFO L225 Difference]: With dead ends: 79 [2024-11-14 05:43:19,742 INFO L226 Difference]: Without dead ends: 77 [2024-11-14 05:43:19,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-11-14 05:43:19,743 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 120 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:43:19,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 226 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-14 05:43:19,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-14 05:43:19,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2024-11-14 05:43:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:43:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2024-11-14 05:43:19,760 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 98 [2024-11-14 05:43:19,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:43:19,761 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2024-11-14 05:43:19,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:43:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-14 05:43:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-14 05:43:19,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:43:19,764 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:43:19,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:43:19,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:43:19,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:43:19,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:43:19,965 INFO L85 PathProgramCache]: Analyzing trace with hash 294913001, now seen corresponding path program 1 times [2024-11-14 05:43:19,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:43:19,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596966270] [2024-11-14 05:43:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:43:19,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:43:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:43:19,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:43:19,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:43:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:43:20,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 05:43:20,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:43:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:43:33,066 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:43:33,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:43:33,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596966270] [2024-11-14 05:43:33,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596966270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:43:33,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:43:33,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 05:43:33,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183585090] [2024-11-14 05:43:33,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:43:33,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 05:43:33,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:43:33,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 05:43:33,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:43:33,069 INFO L87 Difference]: Start difference. First operand 62 states and 88 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:43:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:43:44,273 INFO L93 Difference]: Finished difference Result 94 states and 128 transitions. [2024-11-14 05:43:44,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 05:43:44,279 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 98 [2024-11-14 05:43:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:43:44,282 INFO L225 Difference]: With dead ends: 94 [2024-11-14 05:43:44,282 INFO L226 Difference]: Without dead ends: 92 [2024-11-14 05:43:44,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-11-14 05:43:44,284 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 125 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:43:44,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 250 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 05:43:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-14 05:43:44,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 64. [2024-11-14 05:43:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:43:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 91 transitions. [2024-11-14 05:43:44,298 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 91 transitions. Word has length 98 [2024-11-14 05:43:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:43:44,299 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 91 transitions. [2024-11-14 05:43:44,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:43:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-14 05:43:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 05:43:44,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:43:44,302 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:43:44,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:43:44,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:43:44,503 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:43:44,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:43:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1160464920, now seen corresponding path program 1 times [2024-11-14 05:43:44,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:43:44,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313620657] [2024-11-14 05:43:44,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:43:44,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:43:44,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:43:44,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:43:44,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:43:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:43:44,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 05:43:44,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:43:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:43:52,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:43:52,338 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:43:52,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313620657] [2024-11-14 05:43:52,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313620657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:43:52,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:43:52,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-14 05:43:52,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006082396] [2024-11-14 05:43:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:43:52,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 05:43:52,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:43:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 05:43:52,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:43:52,341 INFO L87 Difference]: Start difference. First operand 64 states and 91 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:02,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:44:02,849 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2024-11-14 05:44:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 05:44:02,853 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-14 05:44:02,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:44:02,855 INFO L225 Difference]: With dead ends: 175 [2024-11-14 05:44:02,855 INFO L226 Difference]: Without dead ends: 114 [2024-11-14 05:44:02,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2024-11-14 05:44:02,857 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 133 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:44:02,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 301 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-14 05:44:02,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-14 05:44:02,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 73. [2024-11-14 05:44:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:44:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 104 transitions. [2024-11-14 05:44:02,871 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 104 transitions. Word has length 99 [2024-11-14 05:44:02,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:44:02,871 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 104 transitions. [2024-11-14 05:44:02,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2024-11-14 05:44:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 05:44:02,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:44:02,874 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:44:02,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-14 05:44:03,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:03,075 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:44:03,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:44:03,075 INFO L85 PathProgramCache]: Analyzing trace with hash -480406550, now seen corresponding path program 1 times [2024-11-14 05:44:03,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:44:03,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668496433] [2024-11-14 05:44:03,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:44:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:03,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:44:03,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:44:03,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:44:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:03,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 05:44:03,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:44:10,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:44:10,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:44:10,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668496433] [2024-11-14 05:44:10,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668496433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:44:10,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:44:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-14 05:44:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700146174] [2024-11-14 05:44:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:44:10,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 05:44:10,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:44:10,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 05:44:10,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:44:10,759 INFO L87 Difference]: Start difference. First operand 73 states and 104 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:20,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:44:20,919 INFO L93 Difference]: Finished difference Result 123 states and 164 transitions. [2024-11-14 05:44:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 05:44:20,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-14 05:44:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:44:20,927 INFO L225 Difference]: With dead ends: 123 [2024-11-14 05:44:20,927 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 05:44:20,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2024-11-14 05:44:20,929 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 128 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:44:20,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 329 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-14 05:44:20,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 05:44:20,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 71. [2024-11-14 05:44:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:44:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2024-11-14 05:44:20,950 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 101 transitions. Word has length 99 [2024-11-14 05:44:20,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:44:20,953 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 101 transitions. [2024-11-14 05:44:20,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2024-11-14 05:44:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 05:44:20,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:44:20,955 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:44:20,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:44:21,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:21,157 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:44:21,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:44:21,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1383591430, now seen corresponding path program 1 times [2024-11-14 05:44:21,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:44:21,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876658395] [2024-11-14 05:44:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:44:21,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:21,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:44:21,160 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:44:21,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:44:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:21,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:44:21,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:44:29,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:44:29,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:44:29,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876658395] [2024-11-14 05:44:29,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876658395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:44:29,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:44:29,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-14 05:44:29,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105425730] [2024-11-14 05:44:29,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:44:29,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:44:29,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:44:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:44:29,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:44:29,512 INFO L87 Difference]: Start difference. First operand 71 states and 101 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:36,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:44:36,654 INFO L93 Difference]: Finished difference Result 99 states and 134 transitions. [2024-11-14 05:44:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 05:44:36,657 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-14 05:44:36,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:44:36,658 INFO L225 Difference]: With dead ends: 99 [2024-11-14 05:44:36,659 INFO L226 Difference]: Without dead ends: 97 [2024-11-14 05:44:36,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-14 05:44:36,660 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 105 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:44:36,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 272 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-14 05:44:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-14 05:44:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 65. [2024-11-14 05:44:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:44:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 91 transitions. [2024-11-14 05:44:36,672 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 91 transitions. Word has length 99 [2024-11-14 05:44:36,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:44:36,673 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 91 transitions. [2024-11-14 05:44:36,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2024-11-14 05:44:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 05:44:36,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:44:36,675 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:44:36,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 05:44:36,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:36,880 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:44:36,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:44:36,880 INFO L85 PathProgramCache]: Analyzing trace with hash -783451161, now seen corresponding path program 1 times [2024-11-14 05:44:36,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:44:36,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045913634] [2024-11-14 05:44:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:44:36,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:36,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:44:36,883 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:44:36,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 05:44:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:36,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 05:44:37,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:44:44,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:44:44,445 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:44:44,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045913634] [2024-11-14 05:44:44,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045913634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:44:44,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:44:44,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 05:44:44,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737476226] [2024-11-14 05:44:44,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:44:44,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 05:44:44,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:44:44,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 05:44:44,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:44:44,447 INFO L87 Difference]: Start difference. First operand 65 states and 91 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:50,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:44:50,294 INFO L93 Difference]: Finished difference Result 112 states and 150 transitions. [2024-11-14 05:44:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 05:44:50,297 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-11-14 05:44:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:44:50,298 INFO L225 Difference]: With dead ends: 112 [2024-11-14 05:44:50,299 INFO L226 Difference]: Without dead ends: 110 [2024-11-14 05:44:50,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-14 05:44:50,300 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 136 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:44:50,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 291 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-14 05:44:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-14 05:44:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 68. [2024-11-14 05:44:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.32) internal successors, (66), 50 states have internal predecessors, (66), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:44:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2024-11-14 05:44:50,309 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 100 [2024-11-14 05:44:50,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:44:50,310 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2024-11-14 05:44:50,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:44:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2024-11-14 05:44:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 05:44:50,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:44:50,312 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2024-11-14 05:44:50,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 05:44:50,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:50,513 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:44:50,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:44:50,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1176478171, now seen corresponding path program 1 times [2024-11-14 05:44:50,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:44:50,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758430948] [2024-11-14 05:44:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:44:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:44:50,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:44:50,515 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:44:50,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 05:44:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:50,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 05:44:50,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 05:44:55,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:44:55,480 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:44:55,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758430948] [2024-11-14 05:44:55,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758430948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:44:55,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:44:55,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 05:44:55,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474636259] [2024-11-14 05:44:55,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:44:55,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 05:44:55,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:44:55,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 05:44:55,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:44:55,482 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:45:02,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:45:02,574 INFO L93 Difference]: Finished difference Result 103 states and 139 transitions. [2024-11-14 05:45:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 05:45:02,577 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-11-14 05:45:02,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:45:02,578 INFO L225 Difference]: With dead ends: 103 [2024-11-14 05:45:02,578 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:45:02,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-14 05:45:02,579 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 121 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:45:02,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 295 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-14 05:45:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:45:02,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:45:02,580 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 05:45:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:45:02,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2024-11-14 05:45:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:45:02,580 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:45:02,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:45:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:45:02,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:45:02,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:45:02,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 05:45:02,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:45:02,787 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:45:02,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 05:45:04,611 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:45:04,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,623 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,624 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,624 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,624 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:45:04,624 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:45:04,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 05:45:04,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 05:45:04,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:45:04 BoogieIcfgContainer [2024-11-14 05:45:04,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:45:04,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:45:04,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:45:04,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:45:04,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:42:15" (3/4) ... [2024-11-14 05:45:04,639 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:45:04,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 05:45:04,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-14 05:45:04,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 05:45:04,652 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 05:45:04,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:45:04,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:45:04,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:45:04,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:45:04,756 INFO L158 Benchmark]: Toolchain (without parser) took 170109.18ms. Allocated memory was 117.4MB in the beginning and 998.2MB in the end (delta: 880.8MB). Free memory was 92.4MB in the beginning and 643.4MB in the end (delta: -550.9MB). Peak memory consumption was 327.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:04,756 INFO L158 Benchmark]: CDTParser took 3.95ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:04,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.46ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:04,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.59ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:04,757 INFO L158 Benchmark]: Boogie Preprocessor took 33.28ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:04,758 INFO L158 Benchmark]: RCFGBuilder took 697.92ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 61.6MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:04,758 INFO L158 Benchmark]: TraceAbstraction took 168781.91ms. Allocated memory was 117.4MB in the beginning and 998.2MB in the end (delta: 880.8MB). Free memory was 61.0MB in the beginning and 648.3MB in the end (delta: -587.3MB). Peak memory consumption was 293.8MB. Max. memory is 16.1GB. [2024-11-14 05:45:04,759 INFO L158 Benchmark]: Witness Printer took 120.18ms. Allocated memory is still 998.2MB. Free memory was 648.3MB in the beginning and 643.4MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:04,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.95ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.46ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.59ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.28ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 697.92ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 61.6MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 168781.91ms. Allocated memory was 117.4MB in the beginning and 998.2MB in the end (delta: 880.8MB). Free memory was 61.0MB in the beginning and 648.3MB in the end (delta: -587.3MB). Peak memory consumption was 293.8MB. Max. memory is 16.1GB. * Witness Printer took 120.18ms. Allocated memory is still 998.2MB. Free memory was 648.3MB in the beginning and 643.4MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 166.8s, OverallIterations: 8, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 67.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1017 SdHoareTripleChecker+Valid, 35.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1009 mSDsluCounter, 2176 SdHoareTripleChecker+Invalid, 32.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1735 mSDsCounter, 338 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3361 IncrementalHoareTripleChecker+Invalid, 3699 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 338 mSolverCounterUnsat, 441 mSDtfsCounter, 3361 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 868 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 52.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=4, InterpolantAutomatonStates: 126, 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, 8 MinimizatonAttempts, 226 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 96.2s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 782 ConstructedInterpolants, 0 QuantifiedInterpolants, 5901 SizeOfPredicates, 96 NumberOfNonLiveVariables, 1278 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 3360/3360 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (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_13 == \old(var_1_13)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 05:45:04,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae54d3fa-9bb2-4bc1-8ce5-d976ab4ea7c4/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