./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 b0e947553edd143328f785b6a31adade882e518bb7307ff9fb79f09cb0fa6e3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:24:55,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:24:55,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:24:55,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:24:55,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:24:55,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:24:55,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:24:55,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:24:55,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:24:55,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:24:55,301 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:24:55,302 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:24:55,302 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:24:55,302 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:24:55,302 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:24:55,302 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:24:55,302 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:24:55,303 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:24:55,303 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:24:55,303 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:24:55,304 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:24:55,304 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:24:55,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:24:55,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:24:55,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:24:55,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:24:55,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:24:55,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:24:55,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:24:55,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:24:55,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:24:55,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:24:55,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:24:55,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:24:55,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:24:55,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:24:55,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:24:55,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:24:55,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:24:55,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:24:55,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:24:55,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:24:55,310 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:24:55,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:24:55,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:24:55,310 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:24:55,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:24:55,310 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 -> b0e947553edd143328f785b6a31adade882e518bb7307ff9fb79f09cb0fa6e3a [2024-11-14 05:24:55,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:24:55,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:24:55,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:24:55,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:24:55,736 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:24:55,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i Unable to find full path for "g++" [2024-11-14 05:24:58,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:24:58,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:24:58,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i [2024-11-14 05:24:58,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data/fb1bc19a5/b643b4fa55d243188d791c995595ab31/FLAG7a8c73837 [2024-11-14 05:24:58,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data/fb1bc19a5/b643b4fa55d243188d791c995595ab31 [2024-11-14 05:24:58,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:24:58,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:24:58,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:24:58,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:24:58,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:24:58,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:24:58" (1/1) ... [2024-11-14 05:24:58,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:58, skipping insertion in model container [2024-11-14 05:24:58,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:24:58" (1/1) ... [2024-11-14 05:24:58,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:24:58,737 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i[915,928] [2024-11-14 05:24:58,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:24:58,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:24:58,914 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i[915,928] [2024-11-14 05:24:58,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:24:59,009 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:24:59,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59 WrapperNode [2024-11-14 05:24:59,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:24:59,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:24:59,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:24:59,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:24:59,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,108 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2024-11-14 05:24:59,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:24:59,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:24:59,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:24:59,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:24:59,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:24:59,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:24:59,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:24:59,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:24:59,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (1/1) ... [2024-11-14 05:24:59,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:24:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:24:59,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:24:59,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:24:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:24:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:24:59,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:24:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:24:59,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:24:59,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:24:59,396 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:24:59,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:25:00,111 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-14 05:25:00,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:25:00,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:25:00,577 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:25:00,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:25:00 BoogieIcfgContainer [2024-11-14 05:25:00,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:25:00,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:25:00,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:25:00,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:25:00,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:24:58" (1/3) ... [2024-11-14 05:25:00,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2e8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:25:00, skipping insertion in model container [2024-11-14 05:25:00,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:24:59" (2/3) ... [2024-11-14 05:25:00,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2e8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:25:00, skipping insertion in model container [2024-11-14 05:25:00,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:25:00" (3/3) ... [2024-11-14 05:25:00,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-22.i [2024-11-14 05:25:00,614 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:25:00,616 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-22.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:25:00,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:25:00,711 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;@29ac6fb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:25:00,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:25:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 05:25:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 05:25:00,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:25:00,733 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:00,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:25:00,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:25:00,741 INFO L85 PathProgramCache]: Analyzing trace with hash -890731918, now seen corresponding path program 1 times [2024-11-14 05:25:00,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:25:00,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888450663] [2024-11-14 05:25:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:00,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:25:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:25:01,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:25:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:25:01,866 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:25:01,868 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:25:01,869 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:25:01,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:25:01,880 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:25:02,011 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:25:02,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:25:02 BoogieIcfgContainer [2024-11-14 05:25:02,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:25:02,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:25:02,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:25:02,022 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:25:02,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:25:00" (3/4) ... [2024-11-14 05:25:02,027 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:25:02,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:25:02,033 INFO L158 Benchmark]: Toolchain (without parser) took 3564.73ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 67.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-14 05:25:02,033 INFO L158 Benchmark]: CDTParser took 1.63ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:25:02,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.72ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:25:02,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.07ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:25:02,035 INFO L158 Benchmark]: Boogie Preprocessor took 50.10ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:25:02,035 INFO L158 Benchmark]: RCFGBuilder took 1417.33ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 80.5MB in the end (delta: -8.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-14 05:25:02,036 INFO L158 Benchmark]: TraceAbstraction took 1436.33ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.5MB in the end (delta: 12.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-14 05:25:02,036 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:25:02,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.72ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.07ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.10ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1417.33ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 80.5MB in the end (delta: -8.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1436.33ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.5MB in the end (delta: 12.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 13.7kB). 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 shiftLeft at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int var_1_4 = 256; [L24] unsigned short int var_1_6 = 10000; [L25] unsigned short int var_1_7 = 10000; [L26] unsigned short int var_1_8 = 128; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_11 = 64; [L30] unsigned char var_1_12 = 16; [L31] unsigned short int var_1_13 = 256; [L32] unsigned short int var_1_17 = 4; [L33] double var_1_18 = 64.2; [L34] unsigned short int var_1_19 = 53045; [L35] double var_1_20 = 1.75; [L36] double var_1_21 = 50.35; [L37] double var_1_22 = 5.5; [L38] double var_1_23 = 7.125; [L39] unsigned long int var_1_24 = 50; [L40] unsigned long int var_1_25 = 1907531378; [L41] unsigned long int var_1_26 = 8; [L42] unsigned char var_1_27 = 0; [L43] unsigned long int last_1_var_1_24 = 50; [L44] unsigned char last_1_var_1_27 = 0; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L125] last_1_var_1_24 = var_1_24 [L126] last_1_var_1_27 = var_1_27 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_6 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L93] var_1_7 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=128, var_1_9=8] [L95] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=128, var_1_9=8] [L96] var_1_8 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_9=8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_9=8] [L98] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=8] [L99] var_1_9 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383] [L101] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L104] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L105] var_1_12 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L107] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L108] var_1_18 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L110] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L111] var_1_19 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L113] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L114] var_1_21 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L116] var_1_22 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L118] var_1_23 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L120] var_1_25 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L122] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_17=4, var_1_19=-537329666, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L137] RET updateVariables() [L138] CALL step() [L48] COND FALSE !(\read(last_1_var_1_27)) [L51] var_1_20 = var_1_22 [L53] COND TRUE (- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22))) [L54] var_1_27 = 0 [L56] EXPR var_1_8 << var_1_4 [L56] COND FALSE !(var_1_9 < (var_1_8 << var_1_4)) [L59] var_1_10 = var_1_11 [L61] unsigned char stepLocal_0 = var_1_27; [L62] COND TRUE (var_1_10 <= var_1_10) || stepLocal_0 [L63] var_1_13 = ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))) [L67] unsigned short int stepLocal_1 = var_1_7; [L68] COND FALSE !(stepLocal_1 == last_1_var_1_24) [L71] var_1_24 = (var_1_10 + (var_1_25 - var_1_11)) [L73] signed long int stepLocal_2 = var_1_19 - var_1_7; [L74] COND FALSE !(var_1_10 > stepLocal_2) [L77] COND TRUE var_1_20 < var_1_20 [L78] var_1_1 = ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) [L82] COND TRUE (var_1_20 / var_1_18) > var_1_20 [L83] var_1_17 = ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7) [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L129] EXPR var_1_8 << var_1_4 [L129] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L129-L130] return ((((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_10 <= var_1_10) || var_1_27) ? (var_1_13 == ((unsigned short int) ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))))) : (var_1_13 == ((unsigned short int) var_1_10)))) && (((var_1_20 / var_1_18) > var_1_20) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7))) : 1)) && (last_1_var_1_27 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == last_1_var_1_24) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_10 + (var_1_25 - var_1_11)))))) && ((var_1_10 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_10)) : 1)) && (((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=127, var_1_17=57334, var_1_19=-537329666, var_1_1=127, var_1_20=1907531384, var_1_22=1907531384, var_1_24=1073741823, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=127, var_1_17=57334, var_1_19=-537329666, var_1_1=127, var_1_20=1907531384, var_1_22=1907531384, var_1_24=1073741823, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=1, var_1_6=16384, var_1_7=8192, var_1_8=16383, var_1_9=16384] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 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 05:25:02,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 b0e947553edd143328f785b6a31adade882e518bb7307ff9fb79f09cb0fa6e3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:25:05,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:25:05,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:25:05,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:25:05,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:25:05,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:25:05,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:25:05,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:25:05,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:25:05,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:25:05,610 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:25:05,611 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:25:05,611 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:25:05,611 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:25:05,611 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:25:05,611 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:25:05,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:25:05,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:25:05,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:25:05,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:25:05,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:25:05,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:25:05,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:25:05,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:25:05,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:25:05,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:25:05,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:25:05,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:25:05,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:25:05,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:25:05,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:25:05,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:25:05,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:25:05,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:25:05,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:25:05,620 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:25:05,620 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 -> b0e947553edd143328f785b6a31adade882e518bb7307ff9fb79f09cb0fa6e3a [2024-11-14 05:25:06,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:25:06,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:25:06,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:25:06,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:25:06,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:25:06,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i Unable to find full path for "g++" [2024-11-14 05:25:08,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:25:08,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:25:08,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i [2024-11-14 05:25:08,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data/8ab071754/bf56c9349cb54aceb09b00156d4a49b4/FLAG01da1d317 [2024-11-14 05:25:08,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/data/8ab071754/bf56c9349cb54aceb09b00156d4a49b4 [2024-11-14 05:25:08,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:25:08,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:25:08,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:25:08,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:25:08,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:25:08,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:25:08" (1/1) ... [2024-11-14 05:25:08,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a890d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:08, skipping insertion in model container [2024-11-14 05:25:08,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:25:08" (1/1) ... [2024-11-14 05:25:08,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:25:09,207 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i[915,928] [2024-11-14 05:25:09,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:25:09,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:25:09,368 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_37bddb98-de43-4b1d-ab65-420bb4acc4f3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-22.i[915,928] [2024-11-14 05:25:09,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:25:09,470 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:25:09,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09 WrapperNode [2024-11-14 05:25:09,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:25:09,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:25:09,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:25:09,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:25:09,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,542 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-14 05:25:09,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:25:09,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:25:09,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:25:09,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:25:09,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:25:09,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:25:09,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:25:09,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:25:09,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (1/1) ... [2024-11-14 05:25:09,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:25:09,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:25:09,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:25:09,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:25:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:25:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:25:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:25:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:25:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:25:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:25:09,833 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:25:09,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:25:16,729 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 05:25:16,729 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:25:16,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:25:16,747 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:25:16,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:25:16 BoogieIcfgContainer [2024-11-14 05:25:16,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:25:16,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:25:16,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:25:16,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:25:16,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:25:08" (1/3) ... [2024-11-14 05:25:16,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60219300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:25:16, skipping insertion in model container [2024-11-14 05:25:16,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:25:09" (2/3) ... [2024-11-14 05:25:16,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60219300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:25:16, skipping insertion in model container [2024-11-14 05:25:16,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:25:16" (3/3) ... [2024-11-14 05:25:16,766 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-22.i [2024-11-14 05:25:16,786 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:25:16,788 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-22.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:25:16,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:25:16,896 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;@3afd7412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:25:16,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:25:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 05:25:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-14 05:25:16,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:25:16,922 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:16,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:25:16,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:25:16,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1207969480, now seen corresponding path program 1 times [2024-11-14 05:25:16,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:25:16,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309908456] [2024-11-14 05:25:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:16,948 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 05:25:16,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:25:16,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:16,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:18,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:25:18,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:25:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-14 05:25:18,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:25:18,420 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:25:18,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309908456] [2024-11-14 05:25:18,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309908456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:25:18,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:25:18,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:25:18,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967196053] [2024-11-14 05:25:18,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:25:18,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:25:18,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:25:18,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:25:18,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:25:18,466 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 05:25:18,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:25:18,520 INFO L93 Difference]: Finished difference Result 125 states and 215 transitions. [2024-11-14 05:25:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:25:18,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-14 05:25:18,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:25:18,533 INFO L225 Difference]: With dead ends: 125 [2024-11-14 05:25:18,534 INFO L226 Difference]: Without dead ends: 62 [2024-11-14 05:25:18,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:25:18,542 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:25:18,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:25:18,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-14 05:25:18,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-14 05:25:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 05:25:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-11-14 05:25:18,595 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 148 [2024-11-14 05:25:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:25:18,601 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-11-14 05:25:18,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 05:25:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-14 05:25:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-14 05:25:18,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:25:18,610 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:18,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:18,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:18,811 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:25:18,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:25:18,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1150711178, now seen corresponding path program 1 times [2024-11-14 05:25:18,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:25:18,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808573123] [2024-11-14 05:25:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:18,813 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 05:25:18,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:25:18,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:18,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:20,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:25:20,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:25:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-14 05:25:22,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:25:22,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:25:22,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808573123] [2024-11-14 05:25:22,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808573123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:25:22,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:25:22,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:25:22,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18580045] [2024-11-14 05:25:22,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:25:22,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:25:22,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:25:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:25:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:25:22,697 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 05:25:25,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:25:25,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:25:25,332 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2024-11-14 05:25:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:25:25,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-14 05:25:25,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:25:25,414 INFO L225 Difference]: With dead ends: 121 [2024-11-14 05:25:25,414 INFO L226 Difference]: Without dead ends: 62 [2024-11-14 05:25:25,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:25:25,416 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:25:25,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 85 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 05:25:25,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-14 05:25:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-14 05:25:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 05:25:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2024-11-14 05:25:25,449 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 148 [2024-11-14 05:25:25,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:25:25,454 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2024-11-14 05:25:25,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 05:25:25,454 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-14 05:25:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-14 05:25:25,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:25:25,456 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:25,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:25:25,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:25,661 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:25:25,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:25:25,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1864392440, now seen corresponding path program 1 times [2024-11-14 05:25:25,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:25:25,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144410988] [2024-11-14 05:25:25,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:25,662 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 05:25:25,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:25:25,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:25,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:25:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:26,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:25:26,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:25:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 338 proven. 102 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-14 05:25:34,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:25:36,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:25:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144410988] [2024-11-14 05:25:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144410988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:25:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1791359003] [2024-11-14 05:25:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:36,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:25:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:25:36,853 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:25:36,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 05:25:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:39,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:25:39,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:25:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-14 05:25:43,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:25:44,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1791359003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:25:44,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309815347] [2024-11-14 05:25:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:25:44,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:25:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:25:44,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:25:44,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:25:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:25:45,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:25:45,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:25:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-14 05:25:49,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:25:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309815347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:25:50,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:25:50,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 11 [2024-11-14 05:25:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284827975] [2024-11-14 05:25:50,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:25:50,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:25:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:25:50,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:25:50,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2024-11-14 05:25:50,778 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-14 05:25:55,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:25:57,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:25:59,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:01,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:03,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:05,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:07,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:09,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:12,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:14,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:16,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:18,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:20,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:22,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:24,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:26,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:28,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:30,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:32,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:34,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:36,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:38,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:40,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:42,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:44,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:26:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:26:44,188 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-11-14 05:26:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 05:26:44,268 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 148 [2024-11-14 05:26:44,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:26:44,271 INFO L225 Difference]: With dead ends: 191 [2024-11-14 05:26:44,271 INFO L226 Difference]: Without dead ends: 132 [2024-11-14 05:26:44,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=269, Invalid=601, Unknown=0, NotChecked=0, Total=870 [2024-11-14 05:26:44,275 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 70 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 67 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:26:44,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 322 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 206 Invalid, 24 Unknown, 0 Unchecked, 52.1s Time] [2024-11-14 05:26:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-14 05:26:44,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 119. [2024-11-14 05:26:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 68 states have internal predecessors, (76), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-14 05:26:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2024-11-14 05:26:44,313 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 148 [2024-11-14 05:26:44,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:26:44,314 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2024-11-14 05:26:44,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-14 05:26:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2024-11-14 05:26:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-14 05:26:44,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:26:44,318 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:44,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 05:26:44,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-14 05:26:44,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:26:44,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:26:44,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:26:44,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:26:44,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1750516486, now seen corresponding path program 1 times [2024-11-14 05:26:44,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:26:44,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238273832] [2024-11-14 05:26:44,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:44,921 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 05:26:44,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:26:44,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:26:44,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/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 05:26:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:26:45,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:26:45,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:26:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 620 proven. 114 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-14 05:26:51,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:26:51,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:26:51,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238273832] [2024-11-14 05:26:51,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238273832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:26:51,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [993564369] [2024-11-14 05:26:51,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:26:51,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:26:51,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:26:51,627 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:26:51,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37bddb98-de43-4b1d-ab65-420bb4acc4f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process